Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Response of Steel Bridge Bearings to Reversed Cyclic Loading
The seismic performance of low and high type steel bridge bearing specimens is investigated in this study. As part of this research, experimental apparatus was developed for investigating the performance of steel bridge bearings. This test apparatus enables large cyclic horizontal loads and displacements to be applied to bearing specimens while keeping gravity loads constant. To increase seismic performance, simple seismic retrofit strategies are proposed and investigated experimentally. To increase the resistance in the longitudinal direction of the high type rocker bearings, retrofitting consisted of welding steel wedges to the masonry plate. It is shown that by retrofitting the existing high type steel bridge bearings it is possible to provide sufficient strength and displacement capability to withstand substantial ground shaking.
Response of Steel Bridge Bearings to Reversed Cyclic Loading
The seismic performance of low and high type steel bridge bearing specimens is investigated in this study. As part of this research, experimental apparatus was developed for investigating the performance of steel bridge bearings. This test apparatus enables large cyclic horizontal loads and displacements to be applied to bearing specimens while keeping gravity loads constant. To increase seismic performance, simple seismic retrofit strategies are proposed and investigated experimentally. To increase the resistance in the longitudinal direction of the high type rocker bearings, retrofitting consisted of welding steel wedges to the masonry plate. It is shown that by retrofitting the existing high type steel bridge bearings it is possible to provide sufficient strength and displacement capability to withstand substantial ground shaking.
Response of Steel Bridge Bearings to Reversed Cyclic Loading
J. B. Mander (Autor:in) / D. K. Kim (Autor:in) / S. S. Chen (Autor:in) / G. J. Premus (Autor:in)
1996
227 pages
Report
Keine Angabe
Englisch
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