鋼板-混凝土組合墻平面內(nèi)受力性能研究
王海霖1,宋曉冰1,葛鴻輝2,褚濛2
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(1 上海交通大學(xué)土木工程系,上海 200240; 2 上海核工程研究設(shè)計院,上海 200240)[摘要]從單元和構(gòu)件兩個層次研究了鋼板-混凝土(SC)組合墻的平面內(nèi)受力行為。在單元層次上,基于已有SC組合墻單元平面主內(nèi)力空間屈服面,推導(dǎo)了SC組合墻單元的壓(拉)剪承載力計算模型;在構(gòu)件層次上,利用ABAQUS有限元軟件,研究了SC組合墻構(gòu)件在平面內(nèi)軸向力、剪力及彎矩復(fù)合作用下的受力性能,得到剪跨比、軸壓比、鋼板厚度及混凝土厚度等關(guān)鍵參數(shù)對其平面內(nèi)受力性能的影響,并利用推導(dǎo)的壓(拉)剪承載力計算模型對計算結(jié)果進(jìn)行了分析。[關(guān)鍵詞]單元; 構(gòu)件; 鋼板-混凝土組合墻; 側(cè)向承載力; 剪跨比; 軸壓比中圖分類號:TU398.2 文獻(xiàn)標(biāo)識碼:A 文章編號:1002-848X(2015)05-0069-06Study on in-plan mechanical behavior of steel-concrete composite wallWang Hailin1, Song Xiaobing1, Ge Honghui2, Chu Meng2(1 Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2 Shanghai Nuclear Engineering Research and Design Institute, Shanghai 200240, China)Abstract: The in-plan mechanical behavior of steel-concrete composite (SC) wall was investigated in two levels of element and member. In the element level, based on the existing yield surface for SC wall elements in principle force space, the calculation model of combined axial load and shear capacity of SC wall elements were proposed. In the member level, ABAQUS finite element software models were used to study on the mechanical behavior of SC wall members subjected to in-plan forces as axial force, shear force and moment. As a result, the effects of key parameters such as shear-span ratio, axial compression ratio, steel plate thickness and concrete thickness on in-plan mechanical behavior of SC wall were concluded. The FEM results were analyzed using the built calculation model of combined axial load and shear capacity.Keywords: element; member; steel-concrete composite wall; lateral load capacity; shear-span ratio; axial compression ratio作者簡介:王海霖,碩士研究生,Email:wanghailin509@163.com。參考文獻(xiàn)[1]冷予冰, 宋曉冰, 葛鴻輝, 等. 鋼板-混凝土組合墻體結(jié)構(gòu)平面外抗剪承載力試驗研究[J]. 建筑結(jié)構(gòu),2013,43(22): 15-21.[2]CHU M, SONG X B, GE H H. Structural performance of steel-concrete-steel sandwich composite beams with channel steel connectors[C]//The 22nd International Conference on Structural Mechanics in Reactor Technology(SMiRT22).San Francisco, California, 2013, Ⅹ: 498.[3]OZAKI M, AKITA S, OSUGA H, et al. Study on steel plate reinforced concrete panels subjected to cyclic in-plane shear [J]. Nuclear Engineering and Design, 2004,228 (13): 225-244.[4]VARMA A H, MALUSHTE S R, SENER K, et al. Steel-plate composite (SC) walls for safety related nuclear facilities design for in-plane and out-of-plane demands[C]//The 21st International Conference on Structural Mechanics in Reactor Technology(SMiRT-21). New Delhi, India, 2011, Ⅵ: 764.[5]聶建國, 陶慕軒, 樊健生, 等. 雙鋼板-混凝土組合剪力墻研究新進(jìn)展[J]. 建筑結(jié)構(gòu), 2011, 41(12): 52-60.[6]陳國棟, 郭彥林, 范珍, 等. 鋼板剪力墻低周反復(fù)荷載試驗研究[J]. 建筑結(jié)構(gòu)學(xué)報, 2004, 25(2): 19-26.[7]郭彥林, 周明, 董全利, 等. 三類鋼板剪力墻結(jié)構(gòu)試驗研究[J]. 建筑結(jié)構(gòu)學(xué)報, 2011, 32(1): 17-29.[8]莊茁, 由小川, 廖劍暉, 等. 基于ABAQUS的有限元分析和應(yīng)用[M]. 北京: 清華大學(xué)出版社, 2011.[9]GB 50010—2010 混凝土結(jié)構(gòu)設(shè)計規(guī)范[S]. 北京: 中國建筑工業(yè)出版社, 2011.[10]朱立猛, 周德源, 赫明月, 等. 帶約束拉桿鋼板混凝土組合剪力墻抗震性能試驗研究[J]. 建筑結(jié)構(gòu)學(xué)報, 2013, 34(6): 93-102.