鋼筋混凝土雙連梁受力性能研究*
張海1, 孫益歡1, 王玉良1, 田慧2
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(1 天津城建大學(xué)土木工程學(xué)院,天津 300384; 2 天津城市建設(shè)管理職業(yè)技術(shù)學(xué)院建筑工程系,天津 300134)[摘要] 通過有限元軟件ANSYS分別建立帶樓板和不帶樓板的雙連梁聯(lián)肢剪力墻結(jié)構(gòu)模型,并在結(jié)構(gòu)頂點(diǎn)施加水平荷載,研究?jī)煞N模型在水平荷載作用下的受力性能。分析帶樓板的雙連梁的內(nèi)力、頂點(diǎn)最大位移、破壞形態(tài)、結(jié)構(gòu)極限承載力及延性等特性,并與不帶樓板的雙連梁進(jìn)行對(duì)比研究。研究表明,帶樓板的雙連梁與不帶樓板的雙連梁相比,其極限承載力和抗側(cè)剛度有較大提高,但位移延性有一定程度的降低。[關(guān)鍵詞]帶樓板的雙連梁; 非線性有限元; 最大頂點(diǎn)位移; 內(nèi)力中圖分類號(hào):TU375 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1002-848X(2014)05-0025-04Mechanical behavior study of reinforced concrete dual coupling beamsZhang Hai1, Sun Yihuan1, Wang Yuliang1, Tian Hui2(1 School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 2 Department of Architectural Engineering, Tianjin Urban Construction Management & Vocation Technology College, Tianjin 300134, China)Abstract: The coupled walls of dual coupling beams structural models with and without slabs were established respectively by means of ANSYS software. Horizontal forces were applied on the summit point of the structure to study the mechanical behaviors of two models under the horizontal forces. Mechanical behaviors of two models were compared such as the internal forces, maximum displacement of summit point, failure mode, structural ultimate bearing capacity and the durability property. Results demonstrate that the ultimate bearing capacity and lateralresistant stiffness of dual coupling beams with slabs are larger than that of the model without slabs, but the displacement durability is relatively lower.Keywords: dual coupling beams with slab; nonlinear finite element; maximum displacement of summit point; internal force*天津市應(yīng)用基礎(chǔ)與前沿技術(shù)研究計(jì)劃(12JCQNJC05300)。作者簡(jiǎn)介:張海,博士,副教授, Email:zhanghai@tju.edu.cn。參考文獻(xiàn)[1]朱炳寅. 對(duì)“雙連梁”的認(rèn)識(shí)與設(shè)計(jì)建議[J]. 建筑結(jié)構(gòu)·技術(shù)通訊,2008,38(11):12-13.[2]李奎明,孫春毅,李杰. 高性能混凝土雙連梁短肢剪力墻試驗(yàn)研究[J].地震工程與工程振動(dòng),2006, 26(3):121-123.[3]陳云濤.雙連梁的等效分析[J].建筑結(jié)構(gòu), 2006,36(S1):1040-1043.[4]GB 50010—2010混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范[S].北京:中國建筑工業(yè)出版社,2011.[5]胥玉祥,朱玉華,趙昕,等. 雙連梁受力性能研究[J]. 結(jié)構(gòu)工程師,2010,26(3): 31-37.[6]曹楊, 李杰. 雙連梁短肢剪力墻結(jié)構(gòu)非線性損傷分析[J]. 同濟(jì)大學(xué)學(xué)報(bào): 自然科學(xué)版, 2008,35(12): 1587-1591.[7]李杰, 李奎明. 鋼筋混凝土短肢剪力墻結(jié)構(gòu)非線性分析研究[J]. 建筑結(jié)構(gòu)學(xué)報(bào), 2009, 30(1): 23-30.[8]汪夢(mèng)甫, 周錫元, 黃立忠. 鋼筋混凝土開洞剪力墻結(jié)構(gòu)抗震非線性有限元分析[J]. 地震工程與工程振動(dòng), 2005, 25(3): 47-54.[9]皮天祥,劉光偉,傅劍平. 新配筋方案帶樓板的雙連梁抗震性能對(duì)比試驗(yàn)[J].重慶大學(xué)學(xué)報(bào):自然科學(xué)版,2007,30(8):107-113.[10]谷倩,朱飛強(qiáng). 雙連梁與深連梁剪力墻結(jié)構(gòu)抗震性能對(duì)比分析[J]. 土木工程學(xué)報(bào),2010,43(S1):211-216.[11]孫宏兵. 高性能混凝土雙連梁剪力墻結(jié)構(gòu)抗震性能分析[D]. 合肥:合肥工業(yè)大學(xué), 2010.
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