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（昆明理工大學(xué), 云南 650500）

［摘要］我國(guó)是一個(gè)地震頻度高、強(qiáng)度大、震害分布廣、震災(zāi)極為嚴(yán)重的國(guó)家，也是世界上地震災(zāi)害最為嚴(yán)重的國(guó)家之一。如何防范地震風(fēng)險(xiǎn)、有效降低震害損失成為我國(guó)面臨的一項(xiàng)長(zhǎng)期而艱巨的社會(huì)問(wèn)題。而正確、合理地分析各類建筑物的抗震性能，提高建筑物的抗震能力是減少經(jīng)濟(jì)損失的有效途徑。本文對(duì)已有資料及文獻(xiàn)中的各類結(jié)構(gòu)試驗(yàn)分析數(shù)據(jù)進(jìn)行統(tǒng)計(jì)，并對(duì)其進(jìn)行分類和歸納總結(jié)，最后利用MATLAB軟件進(jìn)行結(jié)構(gòu)地震易損性曲線擬合，得到其地震易損性曲線，從而得出結(jié)構(gòu)的整體破壞概率，為后期的地震保險(xiǎn)工作積累數(shù)據(jù)。

［關(guān)鍵詞］震例統(tǒng)計(jì)； 框架結(jié)構(gòu)； 易損性； 破壞概率； 地震保險(xiǎn)

中圖分類號(hào)： TU352 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S1-0367-04

Analysis of the seismic vulnerability of structure based on the earthquake statistical data

Du Weixiao, Bai Yu

(Kunming University of Science and Technology, Yunnan 650500， China)

Abstract：China is one of the countries where happened earthquake most serious in the world. The earthquake in China has those features: frequency, intensity, distribution of earthquake damage. How to prevent the earthquake hazards and effectively reduce the loss of damage becomes a long-term and hard social problem. An effective way to reduce economic losses is to find a correct and reasonable method to analyze the seismic performance of buildings and improve the seismic capacity of buildings. In this paper, the statistical data are from the other studies. It concludes the software simulation and shaking table test. Finally, the author uses the MATLAB software to get the seismic vulnerability curve of the buildings. From the curve, people can see the overall failure probability of structures. This also lays the foundation for the future earthquake insurance.

Keywords:  earthquake statistics; frame structure; vulnerability; probability; earthquake insurance