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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(guó)建筑股份有限公司, 北京 100029;3 中國(guó)建筑第八工程局第二建設(shè)有限公司, 濟(jì)南 250014)

摘要: 豎向分布鋼筋不連接裝配整體式剪力墻(SGBL 裝配整體式剪力墻)特點(diǎn)包括:剪力墻中豎向分布鋼筋在樓層處斷開(kāi)連接,兩端邊緣構(gòu)件采用現(xiàn)澆做法同時(shí)加大主筋配筋,從而極大的提高施工效率. 由于 SGBL 裝配整體式剪力墻的配筋形式較傳統(tǒng)裝配整體式剪力墻配筋形式存在較大差異,因此應(yīng)提出針對(duì)于 SGBL 裝配整體式剪力墻的極限位移計(jì)算方法. 通過(guò)分析豎向鋼筋配筋形式變化對(duì) SGBL 裝配整體式剪力墻等效塑性鉸長(zhǎng)度的影響,提出了考慮剪切、彎曲變形影響的 SGBL 裝配整體式剪力墻極限位移計(jì)算方法,并通過(guò) SGBL 裝配整體式剪力墻抗震試驗(yàn)的結(jié)果驗(yàn)證了計(jì)算方法的可靠性,為 SGBL 裝配整體式剪力墻基于位移的變形能力設(shè)計(jì)方法提供參考.

關(guān)鍵詞: SGBL 裝配整體式剪力墻; 豎向分布鋼筋; 極限位移; 等效塑性鉸; 彎曲變形; 剪切變形

中圖分類(lèi)號(hào):TU318+. 1 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002-848X(2023)05-0036-05

DOI:10. 19701 / j. jzjg. 20221431

Displacement-based deformation capacity design method of monolithic assembled concrete shear wall with non-connected vertical distribution reinforcement

CAO Zhiwei1,3, ZHU Tong2, FANG Haibo3

(1 Department of Structural Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China;2 China State Construction Engineering Co. , Ltd. , Beijing 100029, China; 3 The Second ConstructionLimited Company of China Construction Eighth Engineering Division, Jinan 250014, China)

Abstract: The characteristics of the monolithic assembled concrete shear wall structure with non-connected verticaldistribution reinforcement ( SGBL monolithic assembly shear wall) are that the vertical distribution reinforcements areunconnected at the floor and the boundary elements at both ends are cast-in-situ and the main reinforcement is increased atthe same time, which greatly improves the construction efficiency. As the reinforcement forms of SGBL monolithic assemblyshear wall structure are quite different from those of traditional monolithic assembly shear walls, a calculation method for theultimate displacement of SGBL monolithic assembly shear wall structure was proposed. By analyzing the influence of thechange of vertical reinforcement form on the equivalent plastic hinge length of SGBL monolithic assembly shear wallstructure, a calculation method for the ultimate displacement of SGBL monolithic assembly shear wall structure wasproposed considering the influence of shear and bending deformation, and the reliability of the calculation method wasverified by the seismic test results of SGBL monolithic assembly shear wall structure. It provides a reference for thedisplacement-based deformation capability design method of SGBL monolithic assembly shear wall structure.

Keywords:SGBL monolithic assembled shear wall; vertical distribution reinforcement; ultimate displacement; equivalentplastic hinge; bending deformation; shear deformation

∗山東省重點(diǎn)研發(fā)計(jì)劃課題:綠色智能建造和建筑工業(yè)化關(guān)鍵技術(shù)與成套設(shè)備(2021CXGC011205).

第一作者:曹志偉,博士,工程師,主要從事裝配式建筑構(gòu)件設(shè)計(jì)、智能建造等方向研究,Email:czwcscec@ 163. com.

[引用本文] 曹志偉,朱彤,房海波. 豎向分布鋼筋不連接裝配整體式剪力墻基于位移的變形能力設(shè)計(jì)方法[J]. 建筑結(jié)構(gòu),2023,53 ( 5):36-40. CAO Zhiwei,ZHU Tong,FANG Haibo. Displacement-based deformation capacity designmethod of monolithic assembled concrete shear wall with non-connected vertical distribution reinforcement[ J]. BuildingStructure,2023,53(5):36-40.