引用本文:陈朝晖 LIU Xila.[en_title][J].Journal of Chongqing University (English Edition),2002,1(2):34~37
.Application of dynamic programming to structural repairing strategies[J].Journal of Chongqing University (English Edition),2002,1(2):34~37
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Application of dynamic programming to structural repairing strategies
陈朝晖 LIU Xila
Author NameAffiliation
摘要:
A model of dynamic programming for repairing strategies of concrete structures during a projected service period is proposed,which takes into account the degradation in strength of components and the probability of accidental load.This model takes the saf
关键词:  建筑结构 结构可靠性 建筑物维修 维修策略 安全等级 动态规划
DOI:
分类号:TU746.3 TU31
基金项目:Funded by the National Key Project on Basic Research and Applied Research (85-40).
Application of dynamic programming to structural repairing strategies
CHEN Zhaohui1,LIU Xila2 1College of Civil Engineering,Chongqing University,Chongqing 400045,P.R. China 2Civil Engineering Department of Tsinghua University,Beijing 100084,P.R. China
Abstract:
A model of dynamic programming for repairing strategies of concrete structures during a projected service period is proposed, which takes into account the degradation in strength of components and the probability of accidental load. This model takes the safety grade of a structural system as the state variable of repairing strategies, and incorporates economic factors including expected repair cost, property loss due to structure failure, goods and material loss due to structure failure, loss of production interrupt due to structure failure, and inspection cost in decision making. It is found that the optimal repairing strategies are sensitive to the probability of accidental loads as well as the failure costs. The practicality of the model is demonstrated by an example.
Key words:  structural reliability,safety classification,repairing strategies
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