Payman Khalili-Tehrani
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Payman Khalili-Tehrani has a total of 3 co-authors. Here are the top co-authors by number of shared publications:
- Anoosh Shamsabadi
Senior Bridge Engineer, Office of Earthquake Engineering, California Dept. of Transportation, 1801 30th St., Sacramento, CA 95816
1 shared publication - Ertugrul Taciroglu
Department of Civil and Environmental Engineering University of California Los Angeles California USA
1 shared publication - Jonathan P. Stewart
Univ. of California, Los Angeles
1 shared publication
Latest Publications
- 1 May 2010
- Published by American Society of Civil Engineers (ASCE) in Journal of Bridge Engineering
- Vol. 15 (3) , 302-311
Validated Simulation Models for Lateral Response of Bridge Abutments with Typical Backfills
Abutment-backfill soil interaction can significantly influence the seismic response of bridges. In the present study, we provide numerical simulation models that are validated using data from recent experiments on the lateral response of typical abutment systems. Those tests involve well-compacted clayey silt and silty sand backfill materials. The simulation methods considered include a method of slices approach for the backfill materials with an assumed log-spiral failure surface coupled with hyperbolic soil stress-strain relationships [referred to as “log-spiral hyperbolic (LSH) model”] as well as detailed finite-element models, both of which were found to compare well with test data. Through parametric studies on the validated LSH model, we develop equations for the lateral load-displacement backbone curves for abutments of varying height for the two aforementioned backfill types. The equations describe a hyperbolic relationship between lateral load per unit width of the abutment wall and the wall defl...
- 1 May 2010
- Published by American Society of Civil Engineers (ASCE) in Journal of Bridge Engineering
- Vol. 15 (3) , 302-311
Validated Simulation Models for Lateral Response of Bridge Abutments with Typical Backfills
Abutment-backfill soil interaction can significantly influence the seismic response of bridges. In the present study, we provide numerical simulation models that are validated using data from recent experiments on the lateral response of typical abutment systems. Those tests involve well-compacted clayey silt and silty sand backfill materials. The simulation methods considered include a method of slices approach for the backfill materials with an assumed log-spiral failure surface coupled with hyperbolic soil stress-strain relationships [referred to as “log-spiral hyperbolic (LSH) model”] as well as detailed finite-element models, both of which were found to compare well with test data. Through parametric studies on the validated LSH model, we develop equations for the lateral load-displacement backbone curves for abutments of varying height for the two aforementioned backfill types. The equations describe a hyperbolic relationship between lateral load per unit width of the abutment wall and the wall defl...