巨型鋼骨混凝土柱最小體積配箍率的思考
張雷明1,崔鴻超2
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張雷明1,崔鴻超2(1 上海交通大學(xué)土木工程系, 上海 200240; 2 上海中巍結(jié)構(gòu)設(shè)計(jì)事務(wù)所有限公司, 上?!?00135)[摘要]對與設(shè)計(jì)及施工關(guān)系較密切的鋼骨混凝土柱的最小體積配箍率進(jìn)行探討,討論相關(guān)規(guī)范、規(guī)程中規(guī)定的差異,給出若干實(shí)際工程設(shè)計(jì)的鋼骨混凝土柱的體積配箍率。基于極限分析理論,探索混凝土柱的極限破壞機(jī)制,建立了極限平衡方程并求解出最小體積配箍率。[關(guān)鍵詞]鋼骨混凝土柱; 體積配箍率; 極限分析中圖分類號:TU398.7 文獻(xiàn)標(biāo)識碼:A 文章編號:1002-848X(2013)16-0049-05Thinking of minimum volume stirrup ratio of giant steel reinforced concrete columnsZhang Leiming1, Cui Hongchao2(1 Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2 China Majesty Structure Design Office Co.,Ltd., Shanghai 200135, China)Abstract: The minimum volume stirrup ratio of steel reinforce concrete (SRC) columns was discussed, which has be used widely in design and construction. Different provisions in relevant codes were discussed, while volume stirrup ratio of SRC columns in some projects were provided. Based on the limit analysis theory, ultimate failure mechanism of concrete columns was explored, limit equilibrium equation was established and the minimum stirrup ratio was solved.Keywords: steel-reinforced concrete column; volume stirrup ratio; limit analysis作者簡介:張雷明,副教授,一級注冊結(jié)構(gòu)工程師,Email:lmzhang@sjtu.edu.cn。參考文獻(xiàn)[1]GB 50011—2010 建筑抗震設(shè)計(jì)規(guī)范[S].北京:中國建筑工業(yè)出版社,2010.[2]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.[3]JGJ 3—2010高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程[S].北京:中國建筑工業(yè)出版社,2011.[4]JGJ 138—2001型鋼混凝土組合結(jié)構(gòu)技術(shù)規(guī)程[S].北京:中國建筑工業(yè)出版社,2001.[5]YB 9082—2006鋼骨混凝土結(jié)構(gòu)技術(shù)規(guī)程[S].北京:冶金工業(yè)出版社,2007.[6]CECS 230:2008高層建筑鋼\|混凝土混合結(jié)構(gòu)設(shè)計(jì)規(guī)程[S].北京: 中國計(jì)劃出版社,2008.[7]DG/TJ 08-015—2004高層建筑鋼\|混凝土混合結(jié)構(gòu)設(shè)計(jì)規(guī)程[S].上海:上海市建設(shè)和管理委員會,2003.[8]日本建筑學(xué)會.鋼骨鋼筋混凝土結(jié)構(gòu)設(shè)計(jì)標(biāo)準(zhǔn)及說明[S]. 馮乃謙,葉列平等譯. 北京:能源出版社,1998.
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