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(1 重慶大學(xué)土木工程學(xué)院， 重慶 400045；2 重慶大學(xué)山地城鎮(zhèn)建設(shè)與新技術(shù)教育部重點(diǎn)實(shí)驗(yàn)室， 重慶 400045； 3 重慶市碧桂園房地產(chǎn)開發(fā)有限公司， 重慶 400045)
［摘要］結(jié)構(gòu)破壞模式的合理性評價(jià)方法是抗震防災(zāi)決策的重要依據(jù)，現(xiàn)有的評價(jià)方法往往側(cè)重于結(jié)構(gòu)的安全性或者經(jīng)濟(jì)性的某一方面對破壞模式進(jìn)行評價(jià)，且目前綜合考慮RC框剪結(jié)構(gòu)安全性和經(jīng)濟(jì)性的定量評價(jià)方法沒有出現(xiàn)。在總結(jié)以往研究者的安全性指標(biāo)和經(jīng)濟(jì)性指標(biāo)的基礎(chǔ)上，結(jié)合建筑抗震設(shè)防類別、地震動(dòng)、建筑使用功能等因素，提出RC框剪結(jié)構(gòu)按權(quán)重分配考量安全性和經(jīng)濟(jì)性的破壞模式綜合評價(jià)方法，并在現(xiàn)有的統(tǒng)計(jì)資料的基礎(chǔ)上確定方法中的參數(shù)取值；同時(shí)，基于不同剛度特征值的四個(gè)框剪結(jié)構(gòu)模型對綜合評價(jià)方法進(jìn)行驗(yàn)證。分析結(jié)果表明：提出的考慮安全性與經(jīng)濟(jì)性的RC框剪結(jié)構(gòu)綜合評價(jià)方法與單一考慮安全性或經(jīng)濟(jì)性的評價(jià)方法相比具有更好的區(qū)分性、實(shí)用性、適用性，合理可行，為確定RC框剪結(jié)構(gòu)的合理破壞模式做了必要的準(zhǔn)備。
［關(guān)鍵詞］破壞模式； 評價(jià)方法； RC框剪結(jié)構(gòu)； 彈塑性時(shí)程分析
中圖分類號：TU352-1+1文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2019)08-0027-06
Study on rational evaluation method for failure mode of RC frame-shear wall structure under strong earthquakes
Xu Bowen1, Li Yingmin1, 2, Dan Chunlei3
(1 School of Civil Engineering, Chongqing University, Chongqing 400045, China; 2 Key Laboratory of New Technique for Construction of Cities in Mountain Area of the Ministry of Education, Chongqing University, Chongqing 400045, China; 3 Chongqing Country Garden Real Estate Development Company, Chongqing 400045, China)
Abstract:The rationality evaluation method of structural failure modes is an important basis for decision-making of earthquake resistance and disaster prevention. The existing evaluation methods often focus on one aspect of structural safety or economy to evaluate the failure modes. At present, the quantitative evaluation method considering the safety and economy of RC frame-shear wall structures has not appeared. On the basis of summing up the safety and economic indexes of previous researchers, a comprehensive evaluation method of failure mode for RC frame-shear wall structure considering safety and economy according to weight distribution was proposed combined with the factors such as the building seismic fortification category, earthquake motion, building use function and so on. The parameters of the method were determined on the basis of existing statistical data; at the same time, four frame-shear wall structure models with different stiffness eigenvalues were used to validate the comprehensive evaluation method. The analysis results show that the comprehensive evaluation method of RC frame-shear wall structure considering safety and economy has better distinguishability, practicability, applicability and feasibility compared with the single evaluation method considering safety or economy, which makes necessary preparations for determining the reasonable failure mode of RC frame-shear wall structure.
Keywords:failure mode; evaluation method; RC frame-shear wall structure; elasto-plastic time-history analysis
*國家自然科學(xué)基金資助項(xiàng)目(51478067)。
作者簡介：許博文，碩士，Email：345971651@qq.com。
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