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（1 蘇州科技大學(xué)土木工程學(xué)院， 蘇州 215011； 2 蘇州科技大學(xué)江蘇省結(jié)構(gòu)工程重點(diǎn)實(shí)驗(yàn)室， 蘇州 215011）

［摘要］半剛接鋼框架內(nèi)填鋼筋混凝土剪力墻結(jié)構(gòu)（PSRCW）是一種新型組合結(jié)構(gòu)體系，我國(guó)《建筑抗震設(shè)計(jì)規(guī)范》（GB 50011—2010）尚未建立其性態(tài)目標(biāo)。為提出PSRCW結(jié)構(gòu)在不同地震水準(zhǔn)下的性態(tài)目標(biāo)，結(jié)合我國(guó)抗規(guī)給出的地震水平和結(jié)構(gòu)性態(tài)水準(zhǔn)，根據(jù)結(jié)構(gòu)性態(tài)水平與損傷指數(shù)的關(guān)系，利用修正的Park-Ang損傷模型對(duì)已完成12榀PSRCW結(jié)構(gòu)試驗(yàn)數(shù)據(jù)進(jìn)行了統(tǒng)計(jì)分析，建立了以層間位移角表征的PSRCW結(jié)構(gòu)性態(tài)指標(biāo)，研究成果可為完善PSRCW結(jié)構(gòu)基于性態(tài)的抗震設(shè)計(jì)方法或進(jìn)行PSRCW結(jié)構(gòu)地震易損性評(píng)估提供參考。

［關(guān)鍵詞］鋼框架； RC內(nèi)填墻； 層間位移角； 性態(tài)目標(biāo)

中圖分類號(hào)：TU398[HTSS],[HTH] P315-95文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)02-0118-05

Performance objective of partially-restrained steel frame with RC infill wall

Li Kunming1, Lu Chengduo1, 2, Sun Guohua1, 2

（1 School of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, China；2 Jiangsu Key Laboratory of Structure Engineering, Suzhou University of Science and Technology, Suzhou 215011, China）

Abstract:Partially-restrained steel frame with RC infill wall (PSRCW) is an innovative composite structure system, and the performance objective of this structure at the different earthquake level do not specified in Code for seismic design of buildings(GB 50011—2010). In order to propose the performance objective of this innovative composite structure, combined with the earthquake level and structural performance level specified by Chinese seismic code, and based on the relationship between structural performance level and damage index, data of twelve previous PSRCW test specimens was analyzed based on the modified Park-Ang damage model. The performance indices represented by inter-story drift ratio  of PSRCW at the each performance level were developed, and the results can provide some useful reference for improving the performance-based seismic design method and carrying out the seismic fragility analysis of PSRCW structures.

Keywords:steel frame; RC infill wall; inter-story drift ratio; performance objective

*國(guó)家自然科學(xué)基金項(xiàng)目（51108292），江蘇省“青藍(lán)工程”中青年學(xué)術(shù)帶頭人資助項(xiàng)目,江蘇省高校研究生科研創(chuàng)新項(xiàng)目（KYLX_1287）。

通訊作者：陸承鐸，學(xué)士，副教授，Email：lcd2003-163@163.com。