Probability-based damage assessment for reinforced concrete bridge columns considering the corrosive and seismic hazards in Taiwan

In this paper, we consider the time at which earthquake events occur when analyzing seismic structural damage to a deteriorating RC bridge within a specified period. Because the uncertainty exists in the occurrence time of earthquake events, Monte Carlo simulation is applied. The proposed procedure...

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Bibliographic Details
Published in:Natural hazards (Dordrecht) 2014-04, Vol.71 (3), p.2143-2164
Main Authors: Chiu, Chien-Kuo, Lyu, Yue-Cong, Jean, Wen-Yu
Format: Article
Language:English
Subjects:
Bridges
Bridges (structures)
Civil Engineering
Computer simulation
Corrosion
Damage
Deterioration
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Earthquake damage
Earthquakes
Engineering and environment geology. Geothermics
Environmental Management
Exact sciences and technology
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Glass transition temperature
Hydrogeology
Monte Carlo simulation
Natural Hazards
Natural hazards: prediction, damages, etc
Original Paper
Reinforced concrete
Retrofitting
Seismic activity
Seismic hazard
Seismic phenomena
Seismic response
Structural damage
Structural engineering
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Summary:In this paper, we consider the time at which earthquake events occur when analyzing seismic structural damage to a deteriorating RC bridge within a specified period. Because the uncertainty exists in the occurrence time of earthquake events, Monte Carlo simulation is applied. The proposed procedure for evaluating the exceedance probability, which corresponds to a specified limit state, is then applied to a case study of RC bridges in Taiwan to demonstrate its applicability. This study selects three typical RC bridges located in the Taipei Basin, Taiwan, to analyze exceedance probabilities of specified damage states during various specified periods and then discusses the cumulative damage effect on the exceedance probabilities of specified damage states. Additionally, for the chloride-induced deteriorating bridges at various distances to the sea in Suao, Taiwan, the effects of the deterioration and seismic structural damage on the exceedance probabilities of specified damage states are demonstrated and discussed. The proposed assessment procedure can help engineers understand whether the deterioration would accelerate the declining seismic performance of bridges and shorten their serviceability-related and safety-related service lives, as well as provide reference for repairing RC bridges and retrofitting their seismic performance.
ISSN:0921-030X
1573-0840
DOI:10.1007/s11069-013-1002-6