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(1 同濟(jì)大學(xué)土木工程學(xué)院建筑工程系, 上海 200092; 2 中國建筑股份有限公司, 北京 100029;3 中國建筑第八工程局有限公司, 上海 200112)

摘要: 為探究豎向分布鋼筋不連接裝配整體式剪力墻(簡稱 SGBL 裝配整體式剪力墻)平面外穩(wěn)定性進(jìn)而為墻體厚度取值提出建議,依據(jù) SGBL 整體式剪力墻構(gòu)造特點(diǎn),對(duì)不同支承條件下 SGBL 裝配整體式剪力墻的邊界進(jìn)行合理簡化,基于壓桿穩(wěn)定理論和薄板屈曲理論,建立不同支承條件下 SGBL 裝配整體式剪力墻平面外穩(wěn)定性驗(yàn)算方法,且與《高規(guī)》中穩(wěn)定性驗(yàn)算公式進(jìn)行了比較. 結(jié)果表明,采用本文所提公式計(jì)算的計(jì)算長度系數(shù) β 值為《高規(guī)》計(jì)算結(jié)果的 1. 01~ 1. 2 倍,偏于安全. SGBL 裝配整體式剪力墻平面外穩(wěn)定性驗(yàn)算方法可供實(shí)際工程設(shè)計(jì)借鑒.

關(guān)鍵詞: SGBL 裝配整體式剪力墻; 豎向分布鋼筋不連接; 平面外穩(wěn)定性; 驗(yàn)算方法

中圖分類號(hào):TU318 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002-848X(2023)05-0024-06

DOI:10. 19701 / j. jzjg. 20221432

Out-of-plane stability analysis of monolithic assembled concrete shear wall with non-connected vertical distribution reinforcement

FU Qiang1, DING Tao1, ZHU Tong2, ZHANG Shiqian3

(1 Department of Structural Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China;2 China State Construction Engineering Corporation, Beijing 100029, China;3 China Construction Eighth Engineering Division Co. , Ltd. , Shanghai 200112, China)

Abstract: In order to analyze the out-of-plane stability of monolithic assembled concrete shear wall with non-connectedvertical distribution reinforcement (SGBL monolithic assembly shear wall) and put forward suggestions for the value of wallthickness, the boundary under different support conditions of SGBL monolithic assembly shear wall were reasonablysimplified based on the structural characteristics of SGBL monolithic assembly shear wall. The method of checking the outof-plane stability of SGBL monolithic assembly shear wall under different supporting conditions was established based on thecompression bar stability theory and the buckling theory of thin plate, and compared with the stability calculation formula inTechnical specification for concrete structures of tall building. The results show the length coefficient β calculated by usingthe article proposed the formula is 1. 01~ 1. 2 times of calculation results of Technical specification for concrete structures oftall building, which has a sufficient safety guarantee. The out-of-plane stability checking method of SGBL monolithicassembly shear wall can be used for reference in practical engineering design.

Keywords: SGBL monolithic assembled shear wall; unconnected vertical distribution bars; out-of-plane stability;calculation method

∗國家自然科學(xué)基金項(xiàng)目(52078360).

第一作者:傅強(qiáng),博士研究生,主要從事結(jié)構(gòu)工程研究,Email:1910327@ # edu. cn.

[引用本文] 傅強(qiáng),丁陶,朱彤,等. 豎向分布鋼筋不連接裝配整體式剪力墻平面外穩(wěn)定性分析[ J]. 建筑結(jié)構(gòu),2023,53 ( 5): 24-29. FU Qiang,DING Tao, ZHU Tong, et al. Out-of-plane stability analysis of monolithic assembledconcrete shear wall with non-connected vertical distribution reinforcement [J]. Building Structure,2023,53(5):24-29