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Singhal

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Worked as Director CBRI and invented new building materials for wood substitute. Worked as an United Nations Development Program expert on deputation to the Government of India on the transfer of technical knowledge (TOKTEN Expert) in earthquake engineering. Developed a program plan for low cost housing and rehabilitation of seismically damaged buildings (1992). Worked with the Bureau of Reclamation (Denver) on the computer analysis of gravity and arch dams. Extensively used ADINA, PATRAN, SAP IV. Have written several finite element codes. Installed these codes at Arizona State University. Designed post-tensioned cable system for strengthening Stewart Mountain (located at Phoenix, AZ) arch dam against seismic failure. Worked with the Corps of Army Engineers on overall instrumentation plan for various concrete dams, canals and hydraulic structures. Performed stability calculations.

Participated in the review of specifications prepared by FERC, U.S. Army, Bureau of Reclamation on the seismic performance and evaluation of dams. Prepared reports for the Waterways Experiment station (WES) on the instrumentation and stability of dam structures. Received funding to study building response due to Loma Prieta (San Francisco, October, 1989) earthquake. Have developed a computer code based on momentum and energy equations, which incorporates the dynamics of pounding between adjacent buildings during a seismic event. Impact of finite duration is considered. 

Performed research at McDonnell Douglas on the effect of flexibility on the transmission of blast forces within an aerospace structure. Defined explosive loads including diffraction. Developed computer programs based on structural dynamics, gas and compressible gas flow dynamics. Received funds from U.S. Corps of Engineers for the finite element analysis and experimental verification of expansive concrete plugs for use at Waste Isolation Pilot Project site at Carlsbad, NM for nuclear waste storage facility. Received funding from Kaiser/Tudor Engineers to re-strengthen and retro-fit an existing 500 feet long post-tensioned concrete bridge, and wind/temperature analysis of gas pipeline. Received funding from Merrick Corporation to simulate anisotropic finite element models. 

Principal area of research includes: structural engineering, structural dynamics, finite element and retro-fit methods, composite materials, experimental methods. 

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