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Seismic Retrofit of Non-Ductile Reinforced Concrete Dual Frame Building using Fiber Composite Jacketing

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2018 ASEE Mid-Atlantic Section Spring Conference


Washington, District of Columbia

Publication Date

April 6, 2018

Start Date

April 6, 2018

End Date

April 7, 2018

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Yasser Salem Cal Poly Pomona

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Yasser S. Salem is Associate Chair of Civil Engineering Department at California State Polytechnic University Pomona (CPP); He is the Director of Assessment at the College of Engineering. He successfully oversaw the merge of the construction engineering program to the civil engineering department. He is a program evaluator at Accreditation Board for Engineering (ABET). He is a member of the American Concrete Institute (ACI) Committee 351 foundation for equipment and Machinery. He is also the member of the American Society of Civil Engineers (ASCE) Task Force on Large Turbine Generator Foundations.

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Felipe J. Perez California State Polytechnic University, Pomona

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Dr. Felipe Perez is an Associate Professor of structural engineering in the Civil Engineering Department at California State Polytechnic University, Pomona. As civil engineering curriculum chair and coordinator of semester conversion, he successfully led the conversion of the civil engineering curriculum from a quarter system to a semester system. He is a member of the American Society of Civil Engineers (ASCE), the American Concrete Institute (ACI), the Precast/Prestressed Concrete Institute (PCI), the Earthquake Engineering Research Institute (EERI), and was the Secretary of the Seismology Committee for the Structural Engineers Association of Southern California.

Dr. Perez is an expert in large-scale testing and analysis of unbonded post-tensioned precast concrete seismic systems. His research interests are in the seismic analysis and design of reinforced concrete, prestressed concrete, and steel structures.

Dr. Perez is a registered Professional Engineer in the State of California.

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As a senior capstone project, students worked on the vulnerability assessment and seismic retrofit of a six-story non-ductile reinforced concrete dual system building comprised of perimeter non-ductile reinforced concrete moment frames and non-ductile core shear walls. Students were given the as-built plans and specification of an existing building in Southern California that is considered to be at risk, from an earthquake resistant standpoint. Students performed structural analysis for both gravity and lateral systems using the SAP 2000 program for the as-built condition. Students then evaluated the demand-capacity ratios for each system. From this study, students were able to identify the main structural deficiencies which are concentrated around the exterior frames. The columns of the frames found lacking the required strength to meet the minimum accepted performance during a major earthquake. Students proposed a retrofit scheme to mitigate the risk of collapse due to seismic loading. The most cost-effective retrofit solution for this building consisted of using fiber composite wrap around beams and columns in all the exterior frames.

Salem, Y., & Perez, F. J. (2018, April), Seismic Retrofit of Non-Ductile Reinforced Concrete Dual Frame Building using Fiber Composite Jacketing Paper presented at 2018 ASEE Mid-Atlantic Section Spring Conference, Washington, District of Columbia.

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