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Evaluation of Seismic Performance of Bridges in Thailand

 Evaluation of Seismic Performance of Bridges in Thailand
Author(s): , , , ,
Presented at IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009, published in , pp. 38-47
DOI: 10.2749/222137809796067821
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In this research, the effects of moderate earthquakes on bridges of Department of Rural Roads which were not specifically designed to withstand earthquakes are investigated. Components in the study...
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Bibliographic Details

Author(s):





Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009
Published in:
Page(s): 38-47 Total no. of pages: 7
Page(s): 38-47
Total no. of pages: 7
Year: 2009
DOI: 10.2749/222137809796067821
Abstract:

In this research, the effects of moderate earthquakes on bridges of Department of Rural Roads which were not specifically designed to withstand earthquakes are investigated. Components in the study includes seismic hazard analysis, classifications of bridges of Department of Rural Roads, cyclic loading tests of 0.40 m x 0.40 m RC columns, cyclic loading tests of bearings, seismic downhole tests to measure shear wave velocity for site classification, and seismic response analysis of bridges. From cyclic loading tests of columns, the ductility capacity of the RC bridge column detailed according to the current practice is found to be 4.0. A series of analysis are conducted on 16 bridge models. Piers with 0.35 m x 0.35 m and 0.40 m x 0.40 m sections in bridges with a span length of 10m or less are found to be vulnerable to earthquakes because of a high ductility demand.

Keywords:
bridges cyclic loading bridge pier seismic response analysis Moderate earthquakes

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