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TESTS ON LOCAL COMPRESSION BEHAVIORS OF AXIALLY LOADED CONCRETE-FILLED STEEL TUBULAR MEMBERS WITH SQUARE SECTIONS
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摘要: 局部承压是工程结构中一种常见的受力情况，为了深入认识方钢管混凝土构件在局部压力作用下的性能，进行了28个方钢管混凝土轴压短构件局压承载力的试验研究，同时还进行了素混凝土局压和钢管混凝土承载力的对比试验，以及测量粘结强度的推出试验，基于对试验结果的分析，考察各主要因素的影响规律，并初步建议了方钢管混凝土局压承载力的计算方法。Abstract: Local compression is a normal case in civil engineering.In order to have a further research on the local compression behaviors of concrete-filled steel tubular members with square sections, 28 axially loaded members under local compression were studied.Local compression tests of plain concrete and bearing strength tests of CFST were done simultaneously as a comparison, push-out tests were also carried out for bond strength.Based on the test results, the main factors were studied, and a method for bearing strength calculation was initially proposed.
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韩林海.钢管混凝土结构.北京:科学出版社, 2000 [2] 蔡绍怀, 焦占拴, 尉尚民, 等.钢管混凝土局部承压性能和强度计算的研究.建筑科学, 1989(2):18～23 [3] 蔡绍怀, 薛立红.钢管混凝土界面附近的局部承压实验研究.建筑科学, 1998, 14(4):9～13 [4] GB 50010-2002 混凝土结构设计规范 [5] ACI 318-99.Building Code Requirements for Structural Concrete and Commentary.Farmington Hills(MI), American Concrete Institute, Detroit:1999 [6] CEB-FIP Model Code 1990.C.E.B.Bullentin d'Information n.203.Lausanne:Comit Euro-International du Bton, 1991 [7] CECS 28∶90 钢管混凝土结构设计与施工规程.北京:中国计划出版社, 1992 [8] DL/T-5085-1999钢-混凝土组合结构设计规程.北京:中国电力出版社, 1999 [9] GJB 4142-2000 战时军港抢修早强型组合结构技术规程 [10] DBJ 13-51-2003 钢管混凝土结构技术规程 -
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