- 摘 要
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(1 云南大學(xué)建筑與規(guī)劃學(xué)院土木系，昆明 650091；2 廣西大學(xué)防災(zāi)減災(zāi)與工程安全重點實驗室，南寧 530004)
［摘要］ 考慮地震激勵隨機性，以最大層間位移角為性能水平量化指標，采用基于概率密度演化理論的結(jié)構(gòu)地震易損性分析方法，得到結(jié)構(gòu)在不同強度地震作用下各級破壞狀態(tài)的失效概率。提出結(jié)構(gòu)損失期望與全壽命費用的計算方法，從而實現(xiàn)對結(jié)構(gòu)全壽命周期的性能評估。最后，以鋼筋混凝土框架結(jié)構(gòu)住宅樓為例，將概率密度演化理論應(yīng)用于結(jié)構(gòu)全壽命費用的計算中，提高了損失期望與全壽命費用評估精度。
［關(guān)鍵詞］概率密度演化理論； 隨機性； 地震易損性； 損失期望； 全壽命費用
中圖分類號：TU375 文獻標識碼：A文章編號：1002-848X(2021)12-0062-07
Study on seismic vulnerability and the evaluation method of whole life-cycle cost
LONG Shiqi1, WANG Xianjie1,2, ZHOU Xiaofan1, YANG Sizhao1, WANG Xi1, DONG Yanqiu1
(1 Department of Civil Engineering, School of Architecture and Planning, Yunnan University，Kunming 650091， China；2 Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University，Nanning 530004， China)
Abstract: Considering the randomness of seismic excitation, taking the maximum inter-story drift as the quantitative index of performance level ，the method of structural overall seismic vulnerability analysis based on probability density evolution theory was adopted, the failure probabilities under different seismic intensity and failure states were obtained. The calculation methods of structural loss expectation and life-cycle cost were proposed to realize the performance evaluation of structural whole life cycle. Finally, taking reinforced concrete frame residential building as an example, the probability density evolution theory was applied to the calculation of structural whole life-cycle cost, which can improve the accuracy of the loss expectation and life-cycle cost evaluation.
Keywords:probability density evolution theory； randomness； seismic vulnerability； failure loss expectation； life-cycle cost
*廣西防災(zāi)減災(zāi)與工程安全重點實驗室研究資助項目（2016ZDK009，2016JYB009），云南省教育廳科學(xué)研究基金資助項目（2018Y007），云南大學(xué)理(工)科校級科研項目（K1010858）。
作者簡介：龍詩琪，碩士，Email:997238011@qq.com。
