Patents, Publications and Presentations

• Patents

  1. G. Voyiadjis and S. El-Tawil, Fenders for pier protection against vessel collision-Continuation, Application Number: 13/908,236 Date of Filing: June 3, 2013. Patent Approved in May 2013, Patent Number: US 8,739,343 B2 issued June 3rd, 2014.
  2. G. Voyiadjis and S. El-Tawil, Fenders for pier protection against vessel collision; US provisional patent filed 09/2008. Full US patent filed in March 2010. Patent Approved in July 2013, Patent Number: US 8,484,787 B2, issued July 16th, 2013.
  3. Dong Joo Kim, Sherif El-Tawil, and Antoine E. Naaman, Impact pulse generating apparatus and method using elastic strain energy, Full patent filed in South Korea in September 2009. Patent issued in March 2010. Patent number 10-1026421.
  4. Dong Joo Kim, Sherif El-Tawil, and Antoine E. Naaman, Impact test apparatus by using energy frame, Full patent filed in South Korea on 05/09/2011. Patent issued in 12/10/2012. Patent number 10-1212646.

• Book Publications

  1. Aguirre, B. E., El-Tawil, S., Best, E., Gill, K. B. and Fedorov, V. (2011), "The Contributions of Social Science to Agent-Based Models of Building Evacuation," Book Chapter, Accepted for Publication in Contemporary Social Science: Crowds in the 21st Century, Routledge, Taylor and Francis Group, UK.
  2. El-Tawil, S., Fortney, P., Harries, K., Hassan, M., Kurama, Y., Shahrooz, B. M., Tong, X. (2008), Recommendations for Seismic Design of Hybrid Coupled Walls, American Society of Civil Engineers, Reston, VA (80 pages), ISBN 9780784410608.

• Archival Journal Publications - Submitted

  1. Rewa, Y., Baranikumarb, A., Tamashauskyc, A.V., El-Tawil, S. and Park, P. (2016), "Electrical and Mechanical Properties of Asphaltic Composites Containing Carbon Based Fillers", Submitted for Publication to Carbon International, Elsevier.
  2. Fogarty, J., Wu, T-Y. and El-Tawil, S. (2016), "Collapse Response and Design of Deep Steel Columns Subjected to Lateral Displacement," Submitted for Publication in the Journal of Structural Engineering, ASCE.
  3. Alkaysi, M. and El-Tawil, S. (2015), "Factors Affecting Bond Development between Ultra High Performance Concrete and Steel Bar Reinforcement," Submitted for Publication in the Journal of Structural Engineering.
  4. Aguirre, B. E., Best, E. and El-Tawil, S. (2015), "Crisis Evacuations as Complex Systems: Agent Based Model of the Station Nightclub Fire," Submitted to Social Forces, Oxford University Press, UK.
  5. Fogarty, J., McCormick, J. and El-Tawil, S. (2015), "Exploring Complex Spatial Arrangements and Deformations in Virtual Reality," Submitted for Publication in the Journal of Engineering, Education, ASEE.
  6. Pyo, S., El-Tawil, S. and Naaman, A.E. (2015), "Direct Tensile Behavior of Ultra High Performance Fiber Reinforced Concrete (UHP-FRC) at High Strain Rates," Submitted for Publication in the Journal of Cement and Concrete Research, Elsevier.

• Archival Journal Publications

  1. Pyo, S., Alkaysi, M. and El-Tawil, S. (2015), "Crack Propagation Speed In Ultra High Performance Concrete (UHPC)," Accepted for Publication in the Journal of Construction and Building Materials, Elsevier.
  2. Alkaysi, M. and El-Tawil, S. (2015), "Effects of Variations in the Mix Constituents of Ultra High Performance Concrete (UHPC) on Cost and Performance," Accepted for Publication in Materials and Structures, RILEM.
  3. Fang, J., El-Tawil, S. and Aguirre, B. (2016), "Leader-Follower Model for Agent Based Simulation of Social Collective Behavior during Egress," Accepted for Publication in the Safety Science Journal, Elsevier.
  4. Alkaysi, M., El-Tawil, S., Liu, Z. and Hansen, W. (2016), "Effects of Silica Powder and Cement Type on Long Term Durability of Ultra High Performance Concrete (UHPC)," Accepted for Publication in the ACI Materials Journal.
  5. Chen, L., Xiao, Y. and El-Tawil, S. (2016), "Impact Tests of Model RC Columns by an Equivalent Truck Frame," Accepted for Publication in the Journal of Structural Engineering, ASCE.
  6. Fogarty, J. and El-Tawil, S. (2016), "Collapse Resistance of Steel Columns under Combined Axial and Lateral Loading," Accepted for Publication in the Journal of Structural Engineering, ASCE.
  7. Fang, J., El-Tawil, S. and Aguirre, B. (2016), "A New Agent-Based Egress Model Allowing for Social Relationships," Accepted for Publication in the Journal of Computing in Civil Engineering, ASCE.
  8. Chen, L., El-Tawil, S. and Xiao, Y. (2015), "Reduced Models for Vehicle versus Bridge Pier Collision," Accepted for Publication in the Journal of Bridge Engineering, ASCE.
  9. Yossef, N., Fogarty, J., and El-Tawil, S. (2015). "Residual Compressive Strength of Flange-Damaged Steel Columns." Accepted for publication in the Journal of Structural Engineering, ASCE, 10.1061/(ASCE)ST.1943-541X.0001226 , 04014241.
  10. Wille, K., Xu, M., El-Tawil, S. and Naaman, A.E. (2015), "Dynamic Impact Factors of Strain Hardening UHP-FRC under Direct Tensile Loading at Low Strain Rates," Accepted for publication in the RILEM Materials and Structures Journal. DOI: 10.1617/s11527-015-0581-y.
  11. Pyo, S., El-Tawil, S. (2015), "Capturing the Strain Hardening and Softening Responses of Cementitious Composites Subjected to Impact Loading," Journal of Construction and Building Materials, Elsevier, 81(15), April 2015, pp. 276-283, doi:10.1016/j.conbuildmat.2015.02.028.
  12. Park, P., El-Tawil, S., Park, S.-Y. and Naaman, A.E. (2015), "Cracking Resistance of Fiber Reinforced Asphalt Concrete at -20øC," Journal of Construction and Building Materials, Elsevier, 81(15), April 2015, pp 47-57, doi:10.1016/j.conbuildmat.2015.02.005.
  13. Pyo, S., Wille, K., El-Tawil, S. and Naaman, A.E. (2014), "Strain Rate Dependent Properties of Ultra High Performance Fiber Reinforced Concrete (UHP-FRC) Under Tension," Journal of Cement and Concrete Composites, Elsevier, 56 (2015), 15-24. http://dx.doi.org/10.1016/j.cemconcomp.2014.10.002
  14. Wille, K., El-Tawil, S. and Naaman, A.E. (2014), "Properties of Strain Hardening Ultra High Performance Fiber Reinforced Concrete (UHP-FRC) under Direct Tensile Loading," Journal of Cement and Concrete Composites, Elsevier, 48, pp. 53-66, doi:10.1016/j.cemconcomp.2013.12.015
  15. Khandelwal, K. and El-Tawil, S. (2014), "A Finite Strain Continuum Damage Model for Simulating Ductile Fracture in Steels," Engineering Fracture Mechanics Journal, Elsevier, 116, January 2014, pp. 172-189, doi:10.1016/j.engfracmech.2013.12.009.
  16. El-Tawil, S., Li, H. and Kunnath, S. (2014), "Computational Simulation of Gravity-Induced Progressive Collapse of Steel Frame Buildings: Current Trends and Future Research Needs," J. Struct. Eng., 140, SPECIAL ISSUE: Computational Simulation in Structural Engineering, A2513001, "http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000897.
  17. El-Tawil, S. and Li, H. (2014), "Three-Dimensional Effects and Collapse Resistance Mechanisms in Steel Frame Buildings," Volume 140, Issue A4014017, Journal of Structural Engineering, ASCE, http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000839.
  18. El-Tawil, S. and Li, H. (2013), "Progressive Collapse Research: Current State and Future Needs", Advanced Materials Research, Vols. 639-640, pp. 3-12, Jan. 2013. 10.4028 http://www.scientific.net/AMR.639-640.3
  19. Fogarty, J. and El-Tawil, S. (2013), "Effect of Local Flange Damage on the Stability of Steel Columns", Advanced Materials Research, Vols. 639-640, pp. 778-781, Jan. 2013. 10.4028 http://www.scientific.net/AMR.639-640.778.
  20. Fang, J. and El-Tawil, S. (2013), "Egress Simulation Incorporating Social Relationships by Using Scalar Field Method," Advanced Materials Research, v.639-640, Jan. 2013, p. 1313. 10.4028 http://www.scientific.net/AMR.639-640.1313.
  21. Fogarty, J., Yossef, N. and El-Tawil, S. (2013), "Collapse Resistance of Locally Damaged Steel Columns," Journal of Constructional Steel Research, Elsevier, 82(3), Pages 195-202, http://dx.doi.org/10.1016/j.jcsr.2013.01.007.
  22. Pyo, S. and El-Tawil, S. (2013), "Crack velocity-dependent dynamic tensile behavior of concrete", International Journal of Impact Engineering, V55, pp. 63-70, http://dx.doi.org/10.1016/j.ijimpeng.2013.01.003.
  23. Li, H., Dong, S., El-Tawil, S. and Kamat, V. R. (2013), "Relative Displacement Measurement Techniques for Post Event Structural Damage Assessment: A Review," Journal of Structural Engineering, ASCE, 139(9), 1421-1434, DOI: 10.1061/(ASCE)ST.1943-541X.0000729.
  24. Sadek, F., Main, J. A., Lew, H. S. and El-Tawil, S. (2013), "Performance of Steel Moment Connections under a Column Removal Scenario. II: Analysis," Journal of Structural Engineering, ASCE, 139(1), 108-119, DOI: 10.1061/(ASCE)ST.1943-541X.0000617.
  25. Wille, K., Naaman, A. E. and El-Tawil, S., Parra-Montesinos, G. J. (2012), Ultra-High Performance Concrete and Fiber Reinforced Concrete: Achieving Strength and Ductility without Heat Curing," Accepted for publication in the RILEM Materials and Structures Journal.
  26. Alashker, Y., El-Tawil, S. and Sadek, F. (2011), "Closure: Progressive Collapse Resistance of Steel-Concrete Composite Floors," Accepted for Publication in the Journal of Structural Engineering, ASCE.
  27. Aguirre, B. E., El-Tawil, S., Best, E., Gill, K. B. and Fedorov, V. (2011), "Contributions of Social Science to Agent-Based Models of Building Evacuation," Contemporary Social Science, Journal of the Academy of Social Sciences, Routledge, Taylor and Francis Group, UK, 6(3), 415-432, http://dx.doi.org/10.1080/21582041.2011.609380.
  28. Wille, K., Naaman, A. E. and El-Tawil, S. (2011), "Ultra High Performance Fiber Reinforced Concrete (UHP-FRC) Record Performance under Tensile Loading," Concrete International, American Concrete Institute, Sept. 2011, pp. 35-41.
  29. Hung, C-C and El-Tawil, S. (2011), "Seismic Behavior of a Coupled-Wall System with HPFRC Materials in Critical Regions," ASCE Journal of Structural Engineering, 137(12), 1499-1507
  30. Khandelwal, K. and El-Tawil, S. (2011), "Pushdown Resistance as a Measure of Robustness in Progressive Collapse Analysis," Accepted for Publication in Engineering Structures, Elsevier.
  31. El-Tawil, S., Ekiz, E., Goel, S. and Chao, S-H (2011), "Retraining Local and Global Buckling Behavior of Steel Plastic Hinges Using CFRP," Journal of Constructional Steel Research, Elsevier, 67(3), pp. 261-269, doi:10.1016/j.jcsr.2010.11.007.
  32. Park, P., Wineman, A. and El-Tawil, S. (2011) "Uniaxial Nonlinear Viscoelastic Constitutive Model for Asphalt Concrete," Accepted for Publication in the Journal of the Association of Asphalt Paving Technologists
  33. Kim, D-J, Wille, K., El-Tawil, S. and Naaman, A. E. (2011), "A New Impact Test System Using Elastic Strain Energy," ASCE Journal of Engineering Mechanics, 137(4), pp. 268-275.
  34. Alashker, Y. and El-Tawil, S. (2011), "Design-Oriented Model for Collapse Resistance of Composite Floors Subjected to Column Loss," Journal of Constructional Steel Research, Elsevier, 67(1), pp. 84-92, doi:10.1016/j.jcsr.2010.07.008.
  35. Alashker, Y., El-Tawil, S. and Sadek, F. (2010), "Progressive Collapse Resistance of Steel-Concrete Composite Floors," Journal of Structural Engineering, ASCE, 136(10), pp. 1187-1196, (doi 10.1061/(ASCE)ST.1943-541X.0000230)
  36. Hung, C-C and El-Tawil, S. (2010), "Hybrid Rotating/Fixed-Crack Model for High Performance Fiber Reinforced Cementitious Composites" Materials Journal of the American Concrete Institute, 107(6), pp. 568-576.
  37. El-Tawil, S., Harries, K.A., Fortney, P.J., Shahrooz, B.M. and Kurama, Y. (2010), "Seismic Design of Hybrid Coupled Wall Systems - State-of-the-Art," ASCE Journal of Structural Engineering, 136(7), pp. 755-769, Published online at http://link.aip.org/link/?QST/136/755, DOI Information: 10.1061/(ASCE)ST.1943-541X.0000186.
  38. Park, P., El-Tawil, S., and Park, S-Y (2010), "Improved Geometric Design of Bridge Asphalt Plug Joints," Journal of Bridge Engineering, 16(1), doi:10.1061/(ASCE)BE.1943-5592.0000121, pp. 158-165.
  39. Kim, D-J, Naaman, A. E. and El-Tawil, S. (2010), "High Performance Fiber Reinforced Cement Composites With Innovative Slip Hardening Twisted Steel Fibers" International Journal of Concrete Structures and Materials, Korean Concrete Institute, ISSN: 1976-0485, 3(2), pp. 119 - 126; DOI 10.4334/IJCSM.2009.3.2.119.
  40. Sirijaroonchai, K., El-Tawil, S. and Parra-Montesinos, G., (2010), "Behavior of High Performance Fiber Reinforced Cement Composites under Multi-Axial Compressive Loading," Journal of Cement and Concrete Composites, Elsevier, 32 (2010), pp. 62-72, DOI: 10.1016/ j.cemconcomp.2009.09.003.
  41. Park, P., El-Tawil, S., Park, S-Y and Naaman, A. E. (2010), "Behavior of Bridge Asphalt Plug Joints under Thermal and Traffic Loads," ASCE Journal of Bridge Engineering, l5(3), pp. 250-259, doi 10.1061/(ASCE)BE.1943-5592.0000056.
  42. Kim, D-J, El-Tawil, S., Sirijaroonchai, K. and Naaman, A. E. (2010), "Numerical Simulation of the Split Hopkinson Pressure Bar Test Technique for Concrete Under Compression," International Journal of Impact Engineering, 37(2), Pages 141-149.
  43. Hung, C-C and El-Tawil, S. (2009), "Full Operator Algorithm for Hybrid Simulation," Earthquake Engineering and Structural Dynamics, Wiley, 38(13), pp. 1454 - 1561, DOI: 10.1002/eqe.921.
  44. El-Tawil, S. and Aguirre, B. (2010), "Search and Rescue in Collapsed Structures: Engineering and Social Science Aspects," The Journal of Disaster Studies, Policy and Management, 34(4), pp. 1084-1101, Wiley-Blackwell Publishing, UK. Article first published online: 5 JUL 2010, DOI: 10.1111/j.1467-7717.2010.01184.x
  45. El-Tawil, S. and Ekiz, E. (2009), "Inhibiting Steel Brace Buckling using Carbon Fiber Reinforced Polymers: Large-Scale Tests," Journal of Structural Engineering, ASCE, 135 (5) doi:10.1061/(ASCE)ST.1943-541X.0000003, pp. 530-539.
  46. Hung, C-C and El-Tawil, S. (2009), "A Method for Estimating Specimen Tangent Stiffness for Hybrid Simulation," Earthquake Engineering and Structural Dynamics, Wiley, 38(1), pp. 115-134. Published online 4 September 2008 in Wiley InterScience (http://www.interscience.wiley.com). DOI: 10.1002/eqe.850.
  47. Kim, D-J, Naaman, A. E. and El-Tawil, S. (2008), "Comparative Flexural Behavior of Four Fiber Reinforced Cementitious Composites," Journal of Cement and Concrete Composites, Elsevier, Vol. 30, November 2008, pp.917-928.
  48. Kim, D-J, El-Tawil, S. and Naaman, A. E. (2008), "Rate-Dependent Tensile Behavior of High Performance Fiber Reinforced Cementitious Composites," Materials and Structures, RILEM, ISSN 1359-5997 (in print), 1871-6873 (online).
  49. Kim, D-J, El-Tawil, S. and Naaman, A. E. (2008), "Loading Rate Effect on Pullout Behavior of Deformed Fibers," ACI Materials Journal, 105(6), November-December 2008, pp.576-584
  50. Sadek, F., El-Tawil, S. and Lew, H. S. (2008), "Robustness Of Composite Floor Systems with Shear Connections: Modeling, Simulation, and Evaluation," Journal of Structural Engineering, ASCE, 134(11), pp. 1717-1725.
  51. Bao, Y., Kunnath. S. K., El-Tawil, S. and Lew, H.S. (2008), "Macromodel-Based Simulation of Progressive Collapse: RC Frame Structures," Journal of Structural Engineering, ASCE, 134(7), pp. 1070 - 1078.
  52. Khandelwal, K., El-Tawil, S., Kunnath. S. K. and Lew, H.S. (2008), "Macromodel-Based Simulation of Progressive Collapse: Steel Frame Structures," Journal of Structural Engineering, ASCE, 134(7), pp. 1070 - 1078.
  53. Khandelwal, K., El-Tawil, S. And Sadek, F. (2008), "Progressive Collapse Analysis of Seismically Designed Steel Braced Frames," Journal of Constructional Steel Research, Elsevier, 65(3), pp. 699-708
  54. Lee, E-J and El-Tawil, S. (2008), "FEMvrml: An Interactive Virtual Environment for Visualization of Finite Element Simulation Results" Advances in Engineering Software, Elsevier, 39 (2008) 737-742.
  55. Ekiz E. and El-Tawil, S. (2008), "Restraining Steel Brace Buckling Using Carbon Fiber Reinforced Polymers: Experiments and Computational Simulation", in Press, Journal of Composites for Construction, ASCE.
  56. Kamat, V. R. and El-Tawil, S. (2007), "Rapid Post-Disaster Evaluation of Building Damage Using Augmented Reality," Journal of Computing in Civil Engineering, ASCE, 21(5), pp. 303-310.
  57. Khandelwal, K and El-Tawil, S. (2007), "Collapse Behavior of Steel Special Moment Resisting Frame Connections," Journal of Structural Engineering, ASCE, 133(5), pp. 646-655.
  58. Chao, S-H, Khandelwal, K., and El-Tawil, S. (2006), "Ductile Fracture Initiation in Shear Link Webs," Journal of Structural Engineering, ASCE, 132(8), pp. 1192 - 1200.
  59. Okeil, A. and El-Tawil S. (2006), "Warping Stresses in Curved Steel Box Girder Bridges: A case Study - Discussion and Closure by Authors," Journal of Bridge Engineering, ASCE, 10(6), pp. 758-759.
  60. Jin, J. and El-Tawil, S. (2005), "Seismic Performance of Steel Frames with Reduced Beam Section Connections," Journal of Constructional Steel Research, Elsevier, 61(4), pp 453 - 471.
  61. Jin, J. and El-Tawil, S. (2005), "Seismic Performance of Steel Panel Zones," Journal of Structural Engineering, ASCE, 131(2), pp. 250-258.
  62. El-Tawil, S., Severino, E. and Fonseca, P. (2005), "Vehicle Collision with Bridge Piers," Journal of Bridge Engineering, ASCE, 10(3), pp. 345-353.
  63. El-Tawil, S. and Ortega, J. (2004), "Prestressing Concrete Using Shape Memory Alloy Tendons," ACI Structural Journal, 101(6), pp. 1-6.
  64. Okeil, A. and El-Tawil S. (2004), "Warping Stresses in Curved Steel Box Girder Bridges: A case Study," Journal of Bridge Engineering, ASCE, 9(5), pp. 487-496.
  65. Kunnath, S.K., Nghiem, Q. and El-Tawil, S. (2004). "Modeling and Response Prediction in Performance-Based Seismic Evaluation: Case Studies of Instrumented Steel Moment Frame Buildings." Earthquake Spectra, 20(3), pp 1-33.
  66. El-Tawil, S. and Bracci, J. (2004), "Recent Findings from Phase V of the United States-Japan Cooperative Earthquake Research Program," Journal of Structural Engineering, ASCE, 130(2), pp. 155-156.
  67. Hassan, M. and El-Tawil S. (2004), "Inelastic Dynamic Behavior of Hybrid Coupled Walls," Journal of Structural Engineering, ASCE, 130(2), pp. 285-296.
  68. Spacone, E. and El-Tawil, S. (2004), "State-of-the-Art in Nonlinear Analysis of Composite Systems," Journal of Structural Engineering, ASCE, 130(2), pp. 159-168.
  69. Hassan, M. and El-Tawil, S. (2003), "Tension Flange Effective Width in Flanged RC Shear Walls," ACI Structural Journal, 100(3), pp. 1-8.
  70. Jin, J. and El-Tawil, S. (2003), "Inelastic Cyclic Model for Steel Braces," Journal of Engineering Mechanics, ASCE, 129(6), pp. 548-557.
  71. El-Tawil, S., Kuenzli, C. M., and Hassan, M. (2002), "Pushover of Hybrid Coupled Walls. Part I: Design and Modeling," Journal of Structural Engineering, ASCE, 128(10), 1272-1281.
  72. El-Tawil, S. and Kuenzli, C. M. (2002), "Pushover of Hybrid Coupled Walls. Part II: Analysis and Behavior," Journal of Structural Engineering, ASCE, 128(10), 1282-1289.
  73. Okeil, A. M., El-Tawil, S., and Shahawy, M. (2002), "Flexural Reliability of Reinforced Concrete Bridge Girders Strengthened with CFRP laminates," Journal of Bridge Engineering, ASCE, 7(5), pp. 290-299.
  74. El-Tawil, S. and Okeil, A. M. (2002), "LRFD Flexural Provisions For PSC Bridge Girders Strengthened with CFRP Laminates," ACI Structural Journal, 99(2), pp. 300-310.
  75. Okeil, A. and El-Tawil, S. (2002), "Considerations for Opening New Access Holes in Curved Box Girders," Practice Periodical on Structural Design and Construction, ASCE, 7(1), pp. 1- 11.
  76. El-Tawil, S., Ogunc, C., Okeil, A. M., and Shahawy, M. (2001), "Static and Fatigue Analyses of RC Beams Strengthened with CFRP Laminates," Journal of Composites for Construction, ASCE, 5(4), pp. 258-267.
  77. Okeil, A. M., El-Tawil, S., and Shahawy, M. (2001), "Short-Term Tensile Strength of CFRP Laminates for Flexural Strengthening of Concrete Girders," ACI Structural Journal, 98(4), pp. 470-478.
  78. El-Tawil, S. and Deierlein, G. G. (2001), "Nonlinear Analyses of Mixed Steel-Concrete Moment Frames. Part I - Beam-Column Element Formulation," Journal of Structural Engineering, ASCE, 127(6), pp. 647-655.
  79. El-Tawil, S. and Deierlein, G. G. (2001), "Nonlinear Analyses of Mixed Steel-Concrete Moment Frames. Part II - Implementation and Verification" Journal of Structural Engineering, ASCE, 127(6), pp. 656-665.
  80. Okeil, A. M., El-Tawil, S., and Shahawy, M. (2001), "Canadian Bridge Design Provisions for Fiber Reinforced Structures - Discussion," Journal of Composites for Construction, ASCE, 5(2), pp. 117-119.
  81. El-Tawil, S. (2000), "Panel Zone Yielding in Steel Moment Connections," Engineering Journal, AISC, 37(3), pp. 120 - 135.
  82. El-Tawil, S., Mikesell, T. D., and Kunnath, S. K. (2000) "Effect of Local Details and Material Properties on Inelastic Behavior of FR Steel Connections," Journal of Structural Engineering, ASCE, 126(1), pp. 79 - 87.
  83. El-Tawil, S., Mikesell, T. D., Vidarsson, E., and Kunnath, S. K. (2000) "Inelastic Behavior and Design of Steel Panel Zones - Discussion by D. F. Fielding and Closure by Authors," Journal of Structural Engineering, ASCE, 126(2), pp. 79 - 87.
  84. El-Tawil, S. and Deierlein, G. G. (1999), "Strength and Ductility of Encased Composite Columns," Journal of Structural Engineering, ASCE, 125(9), pp. 1009-1019.
  85. El-Tawil, S., Mikesell, T. D., Vidarsson, E., and Kunnath, S. K. (1999) "Inelastic Behavior and Design of Steel Panel Zones," Journal of Structural Engineering, ASCE, 125(2), pp. 183-193.
  86. El-Tawil, S. and Deierlein, G. G. (1998), "An Examination for Stress Resultant Plasticity for Frame Structures," Journal of Engineering Mechanics, ASCE, 124(12), pp. 1360-1370.
  87. Chi, W., El-Tawil, S., Deierlein, G. G., and Abel, J. F., (1998), "Inelastic Analyses of a 17 Story Framed Building Damaged During Northridge," Engineering Structures, 20(4), pp. 481-495.
  88. El-Tawil, S., Sanz-Picon, C. F., and Deierlein, G. G. (1995), "Evaluation of ACI-318 and AISC (LRFD) Strength Provisions for Composite Columns," Journal for Constructional Steel Research, Elsevier Applied Science, Essex, England, 34(1), pp. 103-126.

• Special Refereed Publications

  1. Kim, D-J, El-Tawil, S. and Naaman, A. E. (2009), "Effect of Matrix Strength on Pull-Out Behavior of High Strength Deformed Steel Fibers," ACI Special Publication in Honor of Prof. Antoine E. Naaman.
  2. Harries, K. and El-Tawil, S. (2008), "Steel-FRP Composite Structural Systems," Composite Construction in Steel and Concrete VI, ASCE Special Publication, Edited by Roberto Leon and Jerome F. Hajjar, SEI, American Society of Civil Engineers.
  3. Hassan, M. A. and El-Tawil, S. (2005), "Comparison Between the Seismic Behavior of 12- and 18-Story Hybrid Coupled Wall Systems", Composite Construction in Steel and Concrete V, ASCE Special Publication, Edited by Roberto Leon and Alan Kemp, SEI, American Society of Civil Engineers.
  4. El-Tawil, S., Kuenzli, C., Hassan, M. A., and Kunnath, S. (2002), "Inelastic Behavior of Hybrid Coupled Wall Systems", Composite Construction in Steel and Concrete IV, ASCE Special Publication, Edited by Jerome Hajjar and Laurie Kennedy, SEI, American Society of Civil Engineers.
  5. El-Tawil, S., Mikesell, T. D., Vidarsson, E., and Kunnath, S. K. (1998), Strength and Ductility of FR Welded-Bolted Connections, Document No. FEMA/SAC/BD-98/01, Applied Technology Council, 555 Twin Dolphin Drive, Redwood City, CA 94065. Document also downloadable in PDF format at http://quiver.eerc.berkeley.edu:8080/library/backdoc.
  6. El-Tawil, S., Kanno, R., and Deierlein, G. G. (1996), "Inelastic Models for Composite Moment Connections in RCS Frames," Composite Construction in Steel and Concrete III, ASCE Special Publication, Edited by C. Dale Buckner and Bahram Shahrooz, SEI, American Society of Civil Engineers, pp. 197-210.

• Invited Presentations

  Made numerous invited presentations at conferences and Universities around the world including: various NSF workshops, Georgia Tech, Caltech, UIUC, UC Davis, UC Irvine, UC San Diego, USC, UCLA, Purdue University, Louisiana State University, Warsaw University of Technology, Krakow University of Technology, Tokyo University, Osaka University, Kyoto University, Cairo University, etc. The most notable of these presentations are:

  1. "Advances in non-Proprietary UHPC," National Concrete Consortium, April 2016, Columbus, Ohio.
  2. Keynote Speaker, First International Conference on Advances in Civil Infrastructure Engineering (ICACIE 2012) to be held in Changsha, Hunan, China, Sep.14-16, 2012.
  3. "The New ASCE Recommended Seismic Design Provisions for Hybrid Coupled Walls," American Concrete Institute, 2006 Spring Convention, Charlotte, NC.
  4. "Computational Simulation of Structural System Response to Extreme Loading" Presented at Warsaw University of Technology and Krakow University of Technology during a tour of Poland in June 2005 (as part of an NSF-funded US-Poland cooperative research program).
  5. "Role of Nonlinear Analysis in Structural Engineering." Presented during a special ceremony at the 150th Anniversary of the American Society of Civil Engineers to commemorate the Norman Medal, the oldest award given by ASCE.
  6. "Behavior and Design of Hybrid Wall Systems", Presented at the NSF Sponsored US-Japan Workshop on Composite and Hybrid Systems, August 1st-3rd 1999, San Francisco, USA.
  7. "Seismic Behavior and Design of Hybrid Walls", Presented at the NSF Sponsored US-Japan Workshop on Composite and Hybrid Systems, October 5-7th 1998, Tokyo, Japan.
  8. "Seismic Analysis and Design of RCS Systems", Presented at Tokyo University, Osaka University and Kyoto University, Japan, Fall 1995.

• Conference Proceedings and/or Presentations

  1. Wu, T. Y., El-Tawil, S. and McCormick, J. (2017), "Behavior of Steel Moment Frames With Deep Column Sections Under Seismic Loading," 16th World Conference on Earthquake, 16WCEE, 2017, Santiago Chile, January 9th to 13th 2017.
  2. Ibrahim, A., Eltawil, A. Na, Y. and El-Tawil, S. (2016), "Improved Displacement Estimates Using Smart Phones," Asilomar Conference on Signals, Systems, and Computers, Asilomar Hotel & Conference Grounds, Pacific Grove, CA, IEEE Signal Processing Society, Nov. 6th-9th, 2016.
  3. Na, Y., El-Tawil, S., Ibrahim, A. and Eltawil, A. (2016), "Simulating Two-Dimensional Stick-Slip Motion of a Rigid Body using a New Friction Model," Proceedings of the 2nd World Congress on Mechanical, Chemical, and Material Engineering (MCM'16), Budapest, Hungary - August 22 - 23, 2016
  4. Alkaysi, M., Pyo, S. and El-Tawil, S. (2016), "Investigation of Crack speed in Ultra High Performance Concrete (UHPC) Under High Speed Loading Rates," 1st International Interactive Symposium on UHPC, Des Moines, Iowa.
  5. Alkaysi, M. and El-Tawil, S. (2016), "Effects of Silica Powder and Cement Type on Durability of Ultra High Performance Concrete (UHPC)," 1st International Interactive Symposium on UHPC, Des Moines, Iowa.
  6. Alkaysi, M. and El-Tawil, S. (2016), "Bond between Ultra-High Performance Concrete (UHPC) and Steel Bar Reinforcement," 1st International Interactive Symposium on UHPC, Des Moines, Iowa.
  7. Alkaysi, M. and El-Tawil, S. (2016), "Bond and Splitting in Bar Pull Out using Ultra High Performance Concrete," 1st International Interactive Symposium on UHPC, Des Moines, Iowa.
  8. Alkaysi, M. and El-Tawil, S. (2015), "Structural Response of Bridge Deck Joints Made with Generic UHPC", Proceedings of the ASCE Structures Congress, May 2015, Portland, OR.
  9. Fogarty, J., El-Tawil, S. and McCormick, J. P. (2015), "Exploring Structural Behavior and Component Detailing in Virtual Reality", Proceedings of the ASCE Structures Congress, May 2015, Portland, OR.
  10. Pyo, S., El-Tawil, S., and Naaman, A.E. (2014), "Characteristics of Ultra High Performance Concrete (UHPC) under tension at high strain rates," 2014 Korea Concrete Institute Conference, Seoul, South Korea.
  11. El-Tawil, S., Pyo, S. and Naaman, A.E. (2014), "High Strain Rate Response of UHPC in Direct Tension," ACI Fall Convention 2014, Washington, DC.
  12. Fogarty, J. and El-Tawil, S. (2014), "Exploring Complex Spatial Arrangements and Deformations in Virtual Reality," Proceedings of the ASCE Structures Congress, May 2014, Boston, MA.
  13. Fogarty, J. and El-Tawil, S. (2014), "Collapse Behavior of Steel Columns under Combined Axial and Lateral Loading," Tenth U.S. National Conference on Earthquake Engineering, Frontiers of Earthquake Engineering, July 21-25, 2014, Anchorage, Alaska
  14. Fogarty, J. and El-Tawil, S. (2014), "Collapse Behavior of Wide-Flanged Steel Columns under Cyclic Loading," Eurosteel 2014, Naples, Italy, Sept. 10-12, 2014.
  15. Park, P., El-Tawil, S. and Naaman, A. E. (2013), "Indirect Tensile Strength and Toughness of Steel Fiber Reinforced Asphalt Concrete at Low Temperature," 2013 Conference of the ASCE Engineering Mechanics Institute, August 4 - 7, 2013, Northwestern University, Evanston, IL
  16. Pyo, S. and El-Tawil, S. (2013), "Dynamic Fracture Mechanics Based DIF Models for Concrete under Tensile Loading," 2013 Conference of the ASCE Engineering Mechanics Institute, August 4 - 7, 2013, Northwestern University, Evanston, IL
  17. Pyo, S., El-Tawil, S. and Naaman, A.E. (2013), "Parametric Study of a New Impact Testing System for Ultrahigh Performance Concrete in Tension," 2013 Conference of the ASCE Engineering Mechanics Institute, August 4 - 7, 2013, Northwestern University, Evanston, IL
  18. Fogarty, J. and El-Tawil, S. (2013), "Collapse Behavior of Steel Columns under Lateral Loading," Proceedings of the ASCE Structures Congress, May 2013, Pittsburgh, PA.
  19. Li, H. and El-Tawil, S. (2013), "Collapse Resistance Mechanisms in Steel Frame Buildings," Proceedings of the ASCE Structures Congress, May 2013, Pittsburgh, PA.
  20. Park, P., El-Tawil, S., Park, S-Y., and Tamashausky, A. V. (2012), "Controlling Electrical Conductivity Of Asphalt Composites," Proceedings of the International Pavement Engineering Conference (IPEC), November 1-3, 2012, Busan, South Korea
  21. Kim, D. J., Kiet, T. T., El-Tawil, S., and Naaman, A. E. (2012) "Innovative Impact Test System using Elastic Strain Energy," 4th international conference on design and analysis of protective structures, June 19-22, 2012, in Jeju, Korea
  22. Li, H. and El-Tawil, S. (2012), "Reduced Order Modeling for Robustness Assessment of Building Structural Systems," Proceedings of the First International Conference on Advances in Civil Infrastructure Engineering (ICACIE 2012), Changsha, Hunan, China, Sep.14-16, 2012.
  23. Li, H. and El-Tawil, S. (2012), "Role of Composite Action in Collapse Resistance of Steel Frame Buildings," Proceedings of the ASCE Structures Congress, May 2012, Chicago, Illinois.
  24. Fogarty, J., Yossef, N. and El-Tawil, S. (2012), "Stability of Damaged Steel Columns," Proceedings of the ASCE Structures Congress, May 2012, Chicago, Illinois.
  25. Chung Chan, H. and El-Tawil, S. (2012), "Use of HPFRC for Sustainable Seismic Hazard Mitigation," Numerical Modeling Strategies for Sustainable Concrete Structures, SSCS Conference, Aix en Provence, France, May 29th - June 1st, 2012.
  26. Chung Chan, H. and El-Tawil, S. (2012), "Use of HPFRC for Sustainable Structures: Permanent Damage Reduction in the Aftermath of Earthquakes," FIB Symposium: Concrete Structures for Sustainable Community, Stockholm, Sweden, June 11th - 14th, 2012.
  27. Li, H. and El-Tawil, S. (2011), "Approximations in Progressive Collapse Modeling and Simulation," Cyberinfrastructure (CI) Days 2011, University of Michigan, Ann Arbor, MI.
  28. Fang, J. and El-Tawil, S. (2011), "Scalar Field Model for Simulation of Human Evacuation," Cyberinfrastructure (CI) Days 2011, University of Michigan, Ann Arbor, MI.
  29. Park, P., Wineman, A. and El-Tawil, S., "A Constitutive Model for Asphalt that Combines Linear and Nonlinear Viscoelastic Models," Engineering Mechanics Institute Conference (EMI2011), June 2011, Boston, MA.
  30. Alashker, Y., Li, H. and El-Tawil, S. (2011), "Approximations in Progressive Collapse Modeling," Proceedings of the ASCE Structures Congress, May 2011, Las Vegas, Nevada.
  31. Wille, K., El-Tawil, S. and Naaman, A. E. (2011), "Strain Rate Dependent Tensile Behavior of Ultra-High Performance Fiber Reinforced Concrete," Proceedings of HPFRCC6, H. W. Reinhardt and G. Parra Editors, Ann Arbor, MI.
  32. Kim, D-J., Wille, K., Naaman, A. E. and El-Tawil, S. (2011), "Strength Dependent Tensile Behavior of Strain Hardening Fiber Reinforced Concrete," Proceedings of HPFRCC6, H. W. Reinhardt and G. Parra Editors, Ann Arbor, MI.
  33. Hung, C-C. and El-Tawil, S. (2010), "Seismic Behavior of a Wall System With High Performance Fiber Reinforced Cementitiouis Composite Coupling Beams," Proceedings of the ASCE Structures Congress, May 2010, Orlando, Florida.
  34. Alashker, Y. and El-Tawil, S. (2010), "Robustness of Steel Buildings: 3-D Modeling, Simulation and Evaluation," Proceedings of the ASCE Structures Congress, May 2010, Orlando, Florida.
  35. Alashker, Y. and El-Tawil, S. (2010), "Design Model for Collapse Capacity of Composite Floors," Proceedings of the ASCE Structures Congress, May 2010, Orlando, Florida.
  36. Kim, D-J., El-Tawil, S. and Naaman, A.E. (2010), "High Strain Rate Testing using Elastic Strain Energy," Proceedings of the JCI Annual convention 2010, Saitama, Japan, July 7-July 9.
  37. Kim, D-J., Naaman, A.E. and El-Tawil, S. (2010), "Correlation between Tensile and Bending Behavior of FRC Composites with Scale Effect," Proceedings of FraMCoS-7, 7th International Conference on Fracture Mechanics of Concrete and Concrete Structures, May 23-28, 2010, Jeju Island, South Korea
  38. Hung, C-C and El-Tawil, S. (2010), "Cyclic Model for High Performance Fiber Reinforced Cementitious Composite Structures," Proceedings of the ATC-SEI conference, Improving the Seismic Performance of Existing Buildings and Other Structures, December 9-11, 2009 San Francisco, CA.
  39. Hung, C-C and El-Tawil, S. (2010), "Performance of an 18-Story Coupled Wall System with High Performance Fiber Reinforced Cementitious Composite (HPFRCC) Coupling Beams," 9th US National & 10th Canadian Conference on Earthquake Engineering, Toronto, CA.
  40. El-Tawil, S. and Kamat, V. R. (2009) "Rapid Damage Assessment using Augmented Situational Visualization", Proceedings of the 2009 NSF Engineering Research and Innovation Conference, Honolulu, Hawaii.
  41. El-Tawil, S., Kim, D-J. and Naaman, A. E. (2009) "Impact Testing Using Elastic Strain Energy", Proceedings of the 2009 NSF Engineering Research and Innovation Conference, Honolulu, Hawaii.
  42. Hung, C. C., and El-Tawil, S. (2009), "Development of a numerical material model for high performance fiber reinforced cementitious composites for structural component simulation," ATC/SEI 2009 Conference on Improving the Seismic Performance of Existing Buildings and Other Structures, San Francisco, CA, 2009.
  43. Khandelwal, K. and El-Tawil, S. (2009), "Micro-scale Simulation of Ductile Fracture in Steel," 10th US National Congress on Computational Mechanics, Columbus, Ohio, July 16-19, 2009.
  44. Khandelwal, K. and El-Tawil, S. (2009), "Measuring Steel Frame Robustness using Pushdown Analysis," 10th US National Congress on Computational Mechanics, Columbus, Ohio, July 16-19, 2009.
  45. Bao, Y., Kunnath. S. K., and El-Tawil, S. (2008), "Development of Reduced Structural Models for Assessment of Progressive Collapse," Proceedings of the ASCE Structures Congress, May 2009, Austin, Texas.
  46. Harries, K., El-Tawil, S., Fortney, P. and Shahrooz, B. (2009), "Seismic Design of Hybrid Coupled Wall Structures," 9th International Conference on Steel Concrete Composite and Hybrid Structures, Leeds, UK, 8 - 10 July 2009.
  47. Alashker, Y. and El-Tawil, S. (2009), "Progressive Collapse Resistance of Composite Floors," Proceedings of the 9th International Conference on Steel Concrete Composite and Hybrid Structures, Leeds, UK, 8 - 10 July 2009, Edited by Dennis Lam.
  48. Suwannakarn, S., Naaman, A. E. and El-Tawil, S. (2008), "Stress Versus Crack Opening Displacement Response of FRC Composites with Different Fibers," 7th RILEM International Symposium on Fiber Reinforced Concrete Design and Applications, Chennai, India, Sept. 17-19, 2008.
  49. Kim, D-J., Naaman, A. E. and El-Tawil, S. (2008) "Comparative flexural behavior of four fiber reinforced cementitious composites", 7th RILEM International Symposium on Fiber Reinforced Concrete Design and Applications, Chennai, India, Sept. 17-19, 2008.
  50. Khandelwal, K and El-Tawil, S. (2008), "Assessment of Progressive Collapse Residual Capacity using Pushdown Analysis," Proceedings of the ASCE Structures Congress, May 2008, Vancouver, BC, Canada.
  51. Park, P., El-Tawil, S., Park, S-Y and Naaman, A.E. (2008), "Finite Element Modeling of Asphalt Plug Joint Subjected to Bridge Movement," Proceedings of the Third EATA Conference, 14th - 15th April 2008, Lyon, France.
  52. Kim, D-J, Naaman, A. E. and El-Tawil, S. (2008), "High Tensile Strength Strain-Hardening FRC Composites with Less Than 2% Fiber Content," Proceedings of the Second International Symposium on Ultra High Performance Concrete, March 05 - 07, 2008, Kassel, Germany.
  53. El-Tawil, S. and Harries, K. (2007), "Recommendations for Seismic Design Of Hybrid Coupled Walls," Proceedings of the ASCE Structures Congress, May 2007, Los Angeles, CA.
  54. El-Tawil, S., Khandelwal, K., Kunnath, S. K., Lew, H.S. (2007), "Macro Models For Progressive Collapse Analysis Of Steel Moment Frame Buildings," Proceedings of the ASCE Structures Congress, May 2007, Los Angeles, CA.
  55. Ekiz, E. and El-Tawil, S. (2007), "Achieving Buckling Restrained Behavior using CFRP," Proceedings of the ASCE Structures Congress, May 2007, Los Angeles, CA.
  56. Sirijaroonchai, K. and El-Tawil, S. (2007), "Three Dimensional Plasticity Model for High Performance Fiber Reinforced Cement Composites,", Proceedings of HPFRCC5, H. W. Reinhardt and A.E. Naaman Editors, July 10-13, Mainz, Germany.
  57. Suwannakarn, S., El-Tawil, S. and Naaman, A. E. (2007), "Experimental Observations on the Tensile Response of Fiber Reinforced Cement Composites with Different Fibers", Proceedings of HPFRCC5, H. W. Reinhardt and A.E. Naaman Editors, July 10-13, Mainz, Germany.
  58. Kim, D-J, El-Tawil, S. and Naaman, A. E. (2007), "Correlation between Single Fiber Pullout and Tensile Response of FRC Composites with High Strength Steel Fibers," Proceedings of HPFRCC5, H. W. Reinhardt and A.E. Naaman Editors, July 10-13, Mainz, Germany.
  59. Ekiz, E. and El-Tawil, S. (2006), "Restraining Steel Brace Buckling using Carbon Fiber Reinforced Polymer Shells," Proceedings of 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake (8NCEE), April 2006, San Francisco, CA.
  60. El-Tawil, S., Aguirre, B., Poteyeva. R. and Khandelwal, K. (2006), "Engineering and Social Dimensions of Victim Location and Behavior in Collapsed Structures," Proceedings of 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake (8NCEE), April 2006, San Francisco, CA.
  61. Khandelwal, K. and El-Tawil, S. (2006), "Role of Catenary action during Progressive Collapse of Steel Moment Resisting Frame Buildings," Proceedings of the ASCE Structures Congress, May 2006, St. Louis, Missouri.
  62. Kamat, V. R. and El-Tawil, S. (2006), "Rapid Reconnaissance of Post-Disaster Building Damage Using Augmented Situational Visualization," Proceedings of the ASCE Structures Congress, May 2006, St. Louis, Missouri.
  63. El-Tawil, S. and Sirijaroonchai, K. (2005), "Vehicle Collision with Bridge Piers," NSF US-Poland Workshop on Analytical Models and New Concepts in Concrete and Masonry Structures, Ustron, Poland, 2005.
  64. Khandelwal, K. and El-Tawil, S. (2005), "Multiscale Computational Simulation of Progressive Collapse of Steel Frames," Proceedings of the ASCE Structures Congress, May 2005, NY, NY.
  65. Hassan, M. and El-Tawil, S. (2005), "Nonlinear Dynamic Response of Hybrid Coupled Walls," Proceedings of the ASCE Structures Congress, May 2005, NY, NY.
  66. Kamat, V. R. and El-Tawil, S. (2005), "Rapid Post-Disaster Evaluation of Building Damage Using Augmented Situational Visualization," Construction Research Congress, ASCE, San Diego, CA, April 2005.
  67. Kamat, V. and El-Tawil, S. (2004), "Structure of an Augmented Situational Visualization Framework for Rapid Building Damage Evaluation," Conference on Construction Applications of Virtual Reality, ADETTI/ISCTE, Lisbon, 13-15 September 2004.
  68. Ekiz, E., El-Tawil, S., Parra, G., and Goel, S. (2004), "Strengthening of Steel Moment Connections using CFRP Shell," Proceedings of the 13th World Conference on Earthquake Engineering, Vancouver, BC, Canada.
  69. El-Tawil, S. (2004), "Vehicular Impact on Bridge Structures," LS-DYNA Users Conference, Detroit, MI, May 2004.
  70. Jin, J. and El-Tawil, S. (2004), "Seismic Behavior and Design of Reduced Beam Section Steel Frames," ASCE Conference Proceedings, Nashville, TN, May 2004.
  71. Severino, E. and El-Tawil, S. (2003), "Vehicle Collision with Bridge Piers," 2nd MIT Conference on Computational Mechanics, Boston, MA.
  72. Kuenzli, C., El-Tawil, S., Hassan, M. A., and Kunnath, S. (2001), "Seismic Design of Hybrid Coupled Walls," ASCE Conference Proceedings, Washington DC, May 2001.
  73. Kunnath, S. K., Nghiem, Q., John Jr., A., and El-Tawil, S. (2000), "Validation of Evaluation Methods and Acceptance Criteria in Evolving Performance-Based Seismic Codes," Proceedings of the CSMIP 2000 Seminar, Sacramento Convention Center, Sacramento, California.
  74. V…zquez, A. and El-Tawil, S. (2000), "Nonlinear Static and Dynamic Analyses of a Low-Rise Steel Building," ASCE Conference Proceedings, Philadelphia, May 2000.
  75. Kunnath, S., El-Tawil, S., Hassan, M. A., and Kuenzli, C. (2000), "A Connection Element Macromodel for Inelastic Dynamic Analysis of Hybrid Walls", Proceedings of the 6th ASCCS Conference.
  76. El-Tawil, S., Hassan, M. A., Kuenzli, C., and Kunnath, S. (1999), "Behavior and Design of Hybrid Wall Systems", Proceedings of NSF Sponsored US-Japan Workshop on Composite and Hybrid Systems, August 1st-3rd 1999, San Francisco, USA (Invited Paper).
  77. El-Tawil, S. and Kunnath, S. K. (1998), "Strength and Ductility of FR Welded-Bolted Connections," Update No. 4, SAC Steel Project.
  78. El-Tawil, S. and Kunnath, S. (1998), "Seismic Behavior and Design of Hybrid Wall Systems", Proceedings of NSF Sponsored US-Japan Workshop on Composite and Hybrid Systems, October 5-7th 1998, Tokyo, Japan (Invited Paper).
  79. Lewis, L. A. and El-Tawil, S. (1998), "Strength Redundancy, and Ductility of RC Bridges Rehabilitated with Fiber Reinforced Plastics," ICAC '98.
  80. El-Tawil, S., Mikesell, T., Vidarsson, E., and Kunnath, S. K. (1998), "Panel Zone Yielding in FR Welded-Bolted Connections," 1st Structural Engineering World Congress, San Francisco, 1998.
  81. Spacone, E. and El-Tawil, S. (1998), "Nonlinear Analysis of Steel-Concrete Composite Structures," 1st Structural Engineering World Congress, San Francisco, 1998.
  82. El-Tawil, S. and Deierlein, G. G. (1998), "Plasticity Model for Hybrid Steel-Concrete Frames," Proceedings of the 12th Engineering Mechanics Conference, La Jolla, CA.
  83. Chi, W., El-Tawil, S., Deierlein, G. G., and Abel, J. F., (1997), "Nonlinear Transient Seismic Analysis of 3D Moment-Frame Buildings," IASS International Colloquium on Computation of Shells and Spatial Structures.
  84. El-Tawil, S. and Deierlein, G. G. (1996), "Inelastic Analysis of Mixed Systems," ASCE-SSRC conference proceedings, Chicago, May 1996.
  85. El-Tawil, S. and Deierlein, G. G. (1995), "Inelastic Analysis and Design of Composite Beam-Columns," ASCE conference proceedings, Boston, May 1995.
  86. E-Tawil, S., Yehia, N., and El-Kafrawy, M. (1994), "On the Behavior of RC Beams With Short Shear Spans," Proceedings of the Fifth Canadian Conference on the use of Concrete in Developing Countries, Jan 1994.
  87. E-Tawil, S., Yehia, N., and El-Kafrawy, M. (1993), "Effect of Support Modeling on the Nonlinear Response of RC Beams With Short Shear Spans," Cairo University Engineering Conference, Cairo, Egypt, July 1993.

• Reports

  1. El-Tawil, S., Alkaysi, M., Naaman, A.E., Hansen, W. and Liu, Z. (2016), Development, Characterization and Applications of a Non Proprietary Ultra High Performance Concrete for Highway Bridges, Michigan Department of Transportation, Lansing, MI.
  2. El-Tawil, S. (2014), Field Manual for Bolted Structural Connections, Michigan Department of Transportation, Lansing, MI.
  3. Sadek, F, Main, J. A., Lew, H. S., Robert, S. D., Chiarito, V. P. and El-Tawil, S. (2010), An Experimental and Analytical Study of Steel Moment Connections under a Column Removal Scenario, NIST Report, National Institute of Standards and Technology (NIST), U.S. Department of Commerce.
  4. Voyiadjis, G. Z., El-Tawil, S. and Kocke, P. J. (2008), Feasibility of Tubular Fender Units for Pier Protection Against Vessel Collision, Louisiana Transportation Research Center, LTRC Project Number 06-1ST, Baton Rouge, LA.
  5. Sashi K. Kunnath and Sherif El-Tawil (2006), Modeling of Connection Behavior to Enable Progressive Collapse Simulation of Building Structure, National Institute of Standards and Technology.
  6. Sherif El-Tawil (2004), Vehicle Collision with Bridge Piers, Final Report to the Florida Department of Transportation for Project BC-355-6. FDOT/FHWA Publication.
  7. Sherif El-Tawil and Ayman Okeil (2003), Behavior and Design of Curved Steel Box Girders, Final Report to the Florida Department of Transportation for Project BC-421. FDOT/FHWA Publication.
  8. Sherif El-Tawil and Ayman Okeil (2002), Static and Fatigue Behavior of Concrete Girders Strengthened with CFRP, Final Report to the Florida Department of Transportation for Project BC-190. FDOT/FHWA Publication.
  9. Okeil, A. M., El-Tawil, S., and Chaphalkhar, M. (2000), New Hatches in Existing Curved Box Girder Bridges: A Study Based on Practical and Structural Considerations, Final Report to the Florida Department of Transportation for Project WPI-0510839. FDOT/FHWA Publication.
  10. Lewis, L. A. and El-Tawil, S. (1998), Redundancy of Reinforced Concrete Bridges Rehabilitated With Fiber Reinforced Plastics, Engineering Report No. 98-01, Department of Civil and Environmental Engineering, University of Central Florida, Orlando, FL 32916.
  11. El-Tawil, S., Kanno, R., and Deierlein, G. G. (1996), Modeling Steel and Composite Steel-Concrete Joint Panels, Structural Engineering Report No. 97-1, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853.
  12. El-Tawil, S. and Deierlein, G. G. (1996), Fiber Element Analysis of Composite Beam-Column Cross-Sections, Structural Engineering Report No. 96-6, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853.
  13. El-Tawil, S. and Deierlein, G. G. (1996), Inelastic Dynamic Analysis of Mixed Steel-Concrete Systems, Structural Engineering Report No. 96-5, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853.
  14. El-Tawil, S., Pitella, R., Sumer, O., and Pekoz, T. (1993), Behavior and Design of Intermediate and Web Stiffeners, Structural Engineering Report 93-03, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853.

• Major Software Development

  1. MACS^© (2001): is an inelastic analysis program that conducts time-dependent analysis of reinforced concrete sections strengthened with carbon fiber reinforced polymer laminates. The program is implemented within a Visual Basic environment and features an easy to use graphical user interface.
  2. DYNAMIX (1996): An inelastic dynamic analysis program for two- and three-dimensional steel, and mixed steel-concrete systems. Implemented in a fully graphically interactive environment for SunOS 5.5, VMS and OpenVMS-AXP systems. School of Civil and Environmental Engineering, Cornell University and Steel Structure Development Center, Nippon Steel Corporation, Chiba, Japan. Principal developer.
  3. COSBIAN (1995): An inelastic analysis program for steel, composite, and reinforced concrete sections subjected to biaxial bending. Implemented in a fully graphically interactive environment for SunOS 5.5, VMS, OpenVMS-AXP systems. School of Civil and Environmental Engineering, Cornell University. Co-developer.
  4. PREPF (1994): A user-friendly, fully graphically interactive preprocessor for framed systems. Computer Aided Design Instructional Facility, Cornell University. Co-developer.
  5. QUAND (1994): An inelastic dynamic analysis program based on the plastic hinge concept for two- and three-dimensional steel systems. School of Civil and Env. Eng., Cornell University. Co-developer.
  6. NARCS1 (1989): An inelastic monotonic analysis program for two-dimensional reinforced concrete plane stress structures. AutoCAD postprocessing. DOS-PC. Faculty of Engineering, Cairo University. Principal developer.