- 摘 要
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［摘要］某高層建筑結(jié)構(gòu)中采用復雜型鋼混凝土巨型柱作為主要豎向構(gòu)件，巨型柱的截面復雜，型鋼含鋼量高，布置不規(guī)則。通過模型的壓彎試驗，全面研究了構(gòu)件的破壞特征、承載力、滯回性能和延性，并對比研究了型鋼分散配置與連接布置的影響。研究表明，巨型柱在壓彎狀態(tài)下受力變形基本滿足平截面假定，型鋼之間可靠的連接能提高構(gòu)件的延性，設計時應充分保證各部分型鋼之間的連接性能。
［關(guān)鍵詞］型鋼混凝土；巨型柱；滯回性能；延性
中圖分類號：TU317.1, TU398.9 文獻標識碼：A文章編號：1002-848X(2011)11-0053-04
Experimental study on seismic behavior of complexity SRC compression-bending members
Du Yixin, Tian Chunyu, Xiao Congzhen, Xu Peifu, Lin Xiang(CABR Technology Co., Ltd., China Academy of Building Research, Beijing 100013, China)
Abstract: Complexity steel reinforced concrete columns are used as the main vertical members in a tall building. The sections of mega-columns are complexity. The columns have high steel ratio and irregular distribution. The failure characteristic, bearing capacity, hysteretic performance and ductility were studied by the experiment. The distribution and the connection of the steel members in the concrete columns were also contrasted in the experiment. The research draws some useful conclusions. The members satisfy the plane hypothesis. The effective connections between the steel members can increase the ductility of the columns. The engineers must pay much attention to the connections between the steel members in the steel concrete columns.
Keywords: steel reinforced concrete; mega-column; hysteretic performance; ductility
作者簡介：杜義欣（1979-），男，博士，副研究員，研究方向：幕墻與玻璃結(jié)構(gòu)，Email：duyixin@cabr.com。
參考文獻
［1］徐培福,傅學怡,王翠坤,等. 復雜高層建筑結(jié)構(gòu)設計［M］. 北京：中國建筑工業(yè)出版社， 2005.
［2］顏鋒,肖從真,徐培福,等. 北京國貿(mào)三期工程高含鋼率型鋼混凝土異型柱試驗研究［J］. 土木工程學報, 2010,43(8):11-20.
［3］GB 50011—2001建筑抗震設計規(guī)范［S］. 北京：中國建筑工業(yè)出版社， 2001.
［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， 2002.
［5］MANDER J B, PRIESTLEY M J N, PARK R. Theoretical stress-strain behavior for confined concrete［J］. J Structural Engineering, ASCE, 1988,114(8):1827-1849.
［6］錢稼茹,程麗榮,周棟梁. 普通箍筋約束混凝土柱的中心受壓性能［J］. 清華大學學報：自然科學版, 2002,42(10):1369-1373.
