Topic
Earthquake resistant structures
About: Earthquake resistant structures is a research topic. Over the lifetime, 1126 publications have been published within this topic receiving 27467 citations.
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TL;DR: The south connector bridge in the I-5/State Route 14 interchange failed during the 1994 Northridge (California) earthquake because of concentration of shear forces in the short columns near the abutments as discussed by the authors.
Abstract: The south connector bridge in the I-5/State Route 14 interchange failed during the 1994 Northridge (California) earthquake because of concentration of shear forces in the short columns near the abutments. In the replacement bridge, the column heights were made uniform and other changes were made with respect to supports near the expansion hinges and hinge connectivity. In this study, the nonlinear seismic response history of a bridge model based on the new bridge was evaluated relative to that of a conventional bridge. Additional studies were conducted to determine if the conclusions presented here are also valid for skewed bridges. Results show that the new design is successful in accomplishing a uniform shear distribution in columns only if abutment shear keys are designed to fail under moderate amplitude ground motions. The lack of continuity in the hinge is a drawback of the new design as it led to large differential displacements at the hinge.
12 citations
TL;DR: The models allowed the quantification of the energy dissipated by each component of a steel-concrete composite frame (structural fuses, steel elements, concrete slab and steel reinforcement), which gave an insight on redistribution of dissipated energy in the case of adopting the structural fuses with respect to the traditional steel- Concrete composite buildings.
12 citations
01 Jan 2010
12 citations
Book•
30 Mar 2015
TL;DR: Charney, Ph.D., P.E., F.ASCE, F.SEI, is a professor of structural engineering at Virginia Tech and is president of Advanced Structural Concepts, Inc., both located in Blacksburg, Virginia.
Abstract: \bFinley A. Charney, Ph.D., P.E., F.ASCE, F.SEI, is a professor of structural engineering at Virginia Tech and is president of Advanced Structural Concepts, Inc., both located in Blacksburg, Virginia.
12 citations