San Francisco, California
London, United Kingdom
Convincing the Profession to Adopt Rocking Foundations for Buildings and Bridges
The American Society of Civil Engineers Orange County Branch Structural Engineering Institute (SEI) would like to invite you to attend the March Luncheon Presentation.
Bruce Lloyd Kutter, Ph.D. - Professor, University of California at Davis
Professor Kutter will present results of about 10 years of collaborative research on the behavior of rocking foundations for bridges and buildings. Rocking shallow foundations pivot around one loaded edge of the footing while uplift occurs at the other edge. The closure of the gap during unloading can result in excellent re-centering behavior. The lecture shows that the moment capacity of rocking foundations is straight-forward to calculate with little uncertainty. The primary concern with rocking foundations is permanent settlements and residual rotations. Large scale centrifuge model tests at UC Davis and large scale shake tests at UCSD have demonstrated the potential for excellent performance (little residual deformation, with little degradation in moment capacity) of rocking foundations. Experiments on and analysis of model buildings and bridge systems show that rocking foundations can be designed as a energy dissipating component of a realistic system.
New design procedures for rocking foundations on soil are also introduced. One of these procedures was recently adopted in new provisions of ASCE 41-13 -- the standard for seismic rehabilitation of existing buildings. The second is a displacement based design procedure intended for design of rocking foundations for bridges.
ASCE Student Members receive $30 off of the member price of $40 (total cost will be $10). Not a Student Member? Student membership is FREE! Register at http://www.asce.org/Prospective-Members/
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ASCE Orange County Branch
This Branch was created in 1952 to allow civil engineers to network, exchange ideas, build leadership skills, create lifelong professional connections, and improve the quality of life on Orange County.