大尺度矩形鋼管混凝土柱現(xiàn)場澆筑試驗和構(gòu)造研究
徐福江1,盛平1,舒贛平2,許慶3
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徐福江1,盛平1,舒贛平2,許慶3(1 北京市建筑設(shè)計研究院有限公司, 北京 100045; 2 東南大學(xué)土木工程學(xué)院, 南京 210096; 3 中冶建筑研究總院有限公司, 北京100088)[摘要]進行了矩形鋼管混凝土柱現(xiàn)場澆筑試驗,測量了混凝土壓力、溫度、鋼管應(yīng)力及變形等,對矩形鋼管混凝土柱澆筑過程中的受力性能進行了理論分析。試驗和分析表明混凝土澆筑時的側(cè)向壓力較大,但澆筑完成后殘余應(yīng)力不大。對矩形鋼管混凝土柱的構(gòu)造設(shè)計做了初步研究和參數(shù)分析,為設(shè)計提供了依據(jù)。[關(guān)鍵詞]矩形鋼管混凝土柱; 混凝土; 澆筑試驗; 構(gòu)造設(shè)計; 壓應(yīng)力中圖分類號:TU323.4;TU398.7 文獻標(biāo)識碼:A 文章編號:1002-848X(2013)17-0125-04Field test of concrete pouring and design of detail on large-scale rectangular CFST columnsXu Fujiang1, Sheng Ping1, Shu Ganping2, Xu Qing3(1 Beijing Institute of Architectural Design, Beijing 100045, China; 2 Department of Civil Engineering, Southeast University, Nanjing 210096, China; 3 Central Research Institute of Building and Construction, Beijing 100088, China)Abstract: The field tests and theoretical analysis of concrete pouring of rectangular concretefilled steel tubular(CFST) columns were conducted.The pressure of concrete,temperature,the stress and deformation of steel tubes were measured.The performance of the CFST columns during construction are studied with simulation method.The results show that the pressure is high during concrete pouring and the pressure left after the ending of concrete pouring is low.Preliminary analysis and parameters study of detail design of the CFST columns are conducted,and reliable suggestions are proposed to the project.Keywords: rectangular concrete-filled steel tubular columns; field test; concrete pouring; detail design; pressure作者簡介:徐福江,高級工程師,Email: xufj@biad.com.cn。參考文獻[1]山尾信一. 充填型鋼管柱施工實驗[C]//日本建筑學(xué)會大會學(xué)術(shù)講演梗概集. 東京:1993.[2]陳之毅,秦效啟,沈祖炎.濕混凝土澆筑過程中方鋼管混凝土柱側(cè)壁壓力的試驗研究[J].建筑結(jié)構(gòu),2003,33(7):27-28.[3]CECS 159∶2004矩形鋼管混凝土結(jié)構(gòu)技術(shù)規(guī)程[S]. 北京:中國計劃出版社,2004.[4]JGJ 74—2003建筑工程大模板技術(shù)規(guī)程[S]. 北京:中國建筑工業(yè)出版社,2003.[5]韓林海. 現(xiàn)代鋼管混凝土結(jié)構(gòu)技術(shù)[M]. 北京:中國建筑工業(yè)出版社, 2007.