钢管活性粉末混凝土柱界面黏结性能研究
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摘要
为了研究钢管与活性粉末混凝土(Reactive Powder Concrete,简称RPC)之间的界面黏结性能,对两组钢管RPC柱进行轴心推出试验。建立钢管RPC柱的非线性有限元模型,通过合理选用钢管、混凝土、接触单元及其参数,并与文献[14]中钢管混凝土轴心推出试验的试验数据进行对比,验证了有限元模型的有效性,进而对钢管RPC柱的界面黏结承载力进行计算。试验结果表明,钢管RPC柱的黏结荷载-滑移曲线以及黏结破坏荷载规律与普通钢管混凝土轴心推出试验规律相似。有限元分析结果与试验结果符合较好,该有限元模型可以用于钢管RPC柱的界面黏结承载力计算。
Two sets of reactive powder concrete(RPC) filled steel tube columns are tested using the push-out method to investigate the bond behavior at the interface between the steel tube and RPC.A nonlinear finite element model is established with rational elements and parameters for the steel tube,RPC and the interface.The nonlinear finite element model is verified by using the push-out test results in reference 14,and the bond load of the RPC filled steel tube columns are calculated using the same method.The test results show that the push-out test data,including the bond-slip curve and the bond load,are similar with those of common concrete filled steel tube columns.The nonlinear finite element analysis results are in good agreement with the test results and the nonlinear finite element analysis(FEA) method can be used to predict the bond load between the steel and RPC.
Two sets of reactive powder concrete(RPC) filled steel tube columns are tested using the push-out method to investigate the bond behavior at the interface between the steel tube and RPC.A nonlinear finite element model is established with rational elements and parameters for the steel tube,RPC and the interface.The nonlinear finite element model is verified by using the push-out test results in reference 14,and the bond load of the RPC filled steel tube columns are calculated using the same method.The test results show that the push-out test data,including the bond-slip curve and the bond load,are similar with those of common concrete filled steel tube columns.The nonlinear finite element analysis results are in good agreement with the test results and the nonlinear finite element analysis(FEA) method can be used to predict the bond load between the steel and RPC.
引文
[1]Richard P,Cheyrezy M.Composition of reactive powderconcretes[J].Cement and Concrete Research,1995,25(7):1501-1511
[2]Blais P Y,Couture M.Precast,prestressed pedestrianbridge—world’s first reactive powder concrete structure[J].PCI Journal,1999,44(5):60-71
[3]Edward F,William M.High-performance pipe productsfabricated with reactive powder concrete[C]//Proceedingsof the Materials Engineering Conference.1996:1320-1329
[4]闫志刚,季文玉,安明喆.活性粉末混凝土低高度梁设计及试验研究[J].土木工程学报,2009,42(5):126-132(Yan Zhigang,Ji Wenyu,An Mingzhe.Design andexperimental study of low-height reactive powder concretebeam[J].China Civil Engineering Journal,2009,42(5):126-132(in Chinese))
[5]韩林海,杨有福.现代钢管混凝土结构技术[M].北京:中国建筑工业出版社,2007
[6]吴炎海,林震宇.钢管活性粉末混凝土轴压短柱受力性能试验研究[J].中国公路学报,2005,18(1):57-62(WuYanhai,Lin Zhenyu.Experimental study of behavior onRPC filled steel tubular stub columns under axialcompression[J].China Journal of Highway and Transport,2005,18(1):57-62(in Chinese))
[7]林震宇,吴炎海,沈祖炎.圆钢管活性粉末混凝土轴压力学性能研究[J].建筑结构学报,2005,26(4):52-57(Lin Zhenyu,Wu Yanhai,Shen Zuyan.Research onbehavior of RPC filled circular steel tube column subjectedto axial compression[J].Journal of Building Structures,2005,26(4):52-57(in Chinese))
[8]杨吴生.钢管活性粉末混凝土力学性能及其极限承载力研究[D].长沙:湖南大学,2003
[9]田志敏,张想柏,冯建文,等.钢管超高性能RPC短柱的轴压特性研究[J].地震工程与工程振动,2008,28(1):99-107(Tian Zhimin,Zhang Xiangbai,FengJianwen,et al.Characteristics of RPC-filled steel tubularpuncheons with ultra high performance subjected to axialcompressive loading[J].Earthquake Engineering andEngineering Vibration,2008,28(1):99-107(inChinese))
[10]姚良云.圆钢管RPC短柱偏压及长柱轴压受力性能研究[D].福州:福州大学,2004
[11]姜绍飞,韩林海,乔景川.钢管混凝土中钢与混凝土粘结问题初探[J].哈尔滨建筑大学学报,2000,33(2):24-28(Jiang Shaofei,Han Linhai,Qiao Jingchuan.Initialdiscussion on the bond problems of steel and concrete inConcrete Filled Steel Tubes(CFST)[J].Journal ofHarbin University of Civil Engineering and Architecture,2000,33(2):24-28(in Chinese))
[12]Virdi K S,Dowling P J.Bond strength in concrete filledsteel tubes[C]//Proceedings of IABSE.Switzerland,1980:125-139
[13]蔡绍怀.现代钢管混凝土结构[M].北京:人民交通出版社,2007
[14]薛立红,蔡绍怀.钢管混凝土柱组合界面的粘结强度(上)[J].建筑科学,1996,12(3):22-28(Xue Lihong,CaiShaohuai.The interface bond strength of steel tube andconcrete core column:PartⅠ[J].Building Science,1996,12(3):22-28(in Chinese))
[15]王铁成,郝贵强,申鑫,等.钢管与混凝土粘结性能的试验与理论分析[J].工业建筑,2008,38(5):96-99(WangTiecheng,Hao Guiqiang,Shen Xin,et al.Experiment andtheoretical analysis of bond performance between concreteand steel tube[J].Industrial Construction,2008,38(5):96-99(in Chinese))
[16]Chang Xu,Huang Chengkui,Jiang Decheng,et al.Push-out test of pre-stressing concrete filled circular steel tubecolumns by means of expansive cement[J].Constructionand Building Materials,2009,23(1):491-497
[17]刘永健,刘君平,郭永平,等.钢管混凝土界面粘结滑移性能[J].长安大学学报,2007,27(2):53-57(LiuYongjian,Liu Junping,Guo Yongping,et al.Bond-slipmechanics behaviors of structures concrete filled steel tubes[J].Journal of Chang’an University,2007,27(2):53-57(in Chinese))
[18]钟善桐.钢管混凝土结构[M].北京:清华大学出版社,2003
[2]Blais P Y,Couture M.Precast,prestressed pedestrianbridge—world’s first reactive powder concrete structure[J].PCI Journal,1999,44(5):60-71
[3]Edward F,William M.High-performance pipe productsfabricated with reactive powder concrete[C]//Proceedingsof the Materials Engineering Conference.1996:1320-1329
[4]闫志刚,季文玉,安明喆.活性粉末混凝土低高度梁设计及试验研究[J].土木工程学报,2009,42(5):126-132(Yan Zhigang,Ji Wenyu,An Mingzhe.Design andexperimental study of low-height reactive powder concretebeam[J].China Civil Engineering Journal,2009,42(5):126-132(in Chinese))
[5]韩林海,杨有福.现代钢管混凝土结构技术[M].北京:中国建筑工业出版社,2007
[6]吴炎海,林震宇.钢管活性粉末混凝土轴压短柱受力性能试验研究[J].中国公路学报,2005,18(1):57-62(WuYanhai,Lin Zhenyu.Experimental study of behavior onRPC filled steel tubular stub columns under axialcompression[J].China Journal of Highway and Transport,2005,18(1):57-62(in Chinese))
[7]林震宇,吴炎海,沈祖炎.圆钢管活性粉末混凝土轴压力学性能研究[J].建筑结构学报,2005,26(4):52-57(Lin Zhenyu,Wu Yanhai,Shen Zuyan.Research onbehavior of RPC filled circular steel tube column subjectedto axial compression[J].Journal of Building Structures,2005,26(4):52-57(in Chinese))
[8]杨吴生.钢管活性粉末混凝土力学性能及其极限承载力研究[D].长沙:湖南大学,2003
[9]田志敏,张想柏,冯建文,等.钢管超高性能RPC短柱的轴压特性研究[J].地震工程与工程振动,2008,28(1):99-107(Tian Zhimin,Zhang Xiangbai,FengJianwen,et al.Characteristics of RPC-filled steel tubularpuncheons with ultra high performance subjected to axialcompressive loading[J].Earthquake Engineering andEngineering Vibration,2008,28(1):99-107(inChinese))
[10]姚良云.圆钢管RPC短柱偏压及长柱轴压受力性能研究[D].福州:福州大学,2004
[11]姜绍飞,韩林海,乔景川.钢管混凝土中钢与混凝土粘结问题初探[J].哈尔滨建筑大学学报,2000,33(2):24-28(Jiang Shaofei,Han Linhai,Qiao Jingchuan.Initialdiscussion on the bond problems of steel and concrete inConcrete Filled Steel Tubes(CFST)[J].Journal ofHarbin University of Civil Engineering and Architecture,2000,33(2):24-28(in Chinese))
[12]Virdi K S,Dowling P J.Bond strength in concrete filledsteel tubes[C]//Proceedings of IABSE.Switzerland,1980:125-139
[13]蔡绍怀.现代钢管混凝土结构[M].北京:人民交通出版社,2007
[14]薛立红,蔡绍怀.钢管混凝土柱组合界面的粘结强度(上)[J].建筑科学,1996,12(3):22-28(Xue Lihong,CaiShaohuai.The interface bond strength of steel tube andconcrete core column:PartⅠ[J].Building Science,1996,12(3):22-28(in Chinese))
[15]王铁成,郝贵强,申鑫,等.钢管与混凝土粘结性能的试验与理论分析[J].工业建筑,2008,38(5):96-99(WangTiecheng,Hao Guiqiang,Shen Xin,et al.Experiment andtheoretical analysis of bond performance between concreteand steel tube[J].Industrial Construction,2008,38(5):96-99(in Chinese))
[16]Chang Xu,Huang Chengkui,Jiang Decheng,et al.Push-out test of pre-stressing concrete filled circular steel tubecolumns by means of expansive cement[J].Constructionand Building Materials,2009,23(1):491-497
[17]刘永健,刘君平,郭永平,等.钢管混凝土界面粘结滑移性能[J].长安大学学报,2007,27(2):53-57(LiuYongjian,Liu Junping,Guo Yongping,et al.Bond-slipmechanics behaviors of structures concrete filled steel tubes[J].Journal of Chang’an University,2007,27(2):53-57(in Chinese))
[18]钟善桐.钢管混凝土结构[M].北京:清华大学出版社,2003
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