新型金属管混凝土短柱轴压性能试验研究
摘要：为研究铝合金、不锈钢新型金属管及其混凝土短柱的力学性能，对4种材料不同的短柱试件进行轴压试验，总结并分析了新型金属管及其混凝土短柱的破坏过程和受力特征。试验结果表明，新型金属管具有较高的承载力和良好的延性，而且不锈钢管混凝土短柱有较高的承载力以及较好的塑性性能。利用有限元软件ABAQUS对新型金属管混凝土短柱进行有限元模拟分析，有限元模拟分析与试验得到的试件承载力、延性曲线结果吻合较好，验证了有限元模拟分析的准确性。
关键词：铝合金，不锈钢，新型金属管，混凝土短柱，轴压试验，有限元模拟分析
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[2] 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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[4] 铝合金结构设计规范：GB 50429—2007[S].北京：中国计划出版社，2008.
[5] European Convention for Constructional Steelwork(ECCS).European recommendations for aluminum alloy structures[S].London:European Convention for Constructional Steelwork,1978.
[6] 罗永峰，季跃，芮渊，等.铝合金结构轴心压杆稳定性研究[J].同济大学学报(自然科学版),2001,29(4):401-405.
[7] 沈祖炎，郭小农，陈扬骥，等.铝合金轴心压杆稳定性试验和稳定系数的计算[C]//第九届空间结构学术会议论文集.萧山，2000:110-111.
[8] 沈祖炎，郭小农.对称截面铝合金挤压型材压杆的稳定系数[J].建筑结构学报，2001,22(4):31-36,48.
[9] 董震，张其林.薄壁铝合金轴压构件承载力计算的直接强度法[J].土木工程学报，2009,42(6):28-34.
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[11] DENNIS LAM,LEROY GARDNER.Structural design of stainless steel concrete filled columns[J].Journal of Constructional Steel Research,2008,64(11):1275-1282.
[12] WEI S,MAU S T,VIPULANANDAN C,et al.Performance of new sandwich tube under axial loading:experiment[J].Journal of Structural Engineering,1995,121(12):1806-1814.
[13] RAMBERG W,OSGOOD W R.Description of stress-strain curves by three parameters:NACA TN-902[R].Washington D.C.:National Advisory Committee for Aeronautics,1943.
[14] STEINHARDT O.Aluminum constructions in civil engineering[J].Aluminum,1971,15(47):131-139.
Experimental study on the axial compression performance of a new type of metal tube concrete short column
Abstract: In order to study the mechanical properties of aluminum alloy and stainless steel new type of metal tubes and their concrete short columns, axial compression tests were carried out on specimens of four short columns with different materials, and the failure process and stress characteristics of the new type of metal tubes and their concrete short columns were summarized and analyzed. The test results show that the new type of metal tubes has higher bearing capacity and good ductility, and the stainless steel tube concrete short column has higher bearing capacity and better plastic properties. The finite element software ABAQUS was used to perform finite element simulation analysis on the new type of metal tube concrete short column. The finite element simulation analysis was in good agreement with the test specimen bearing capacity and ductility curve results, which verified the accuracy of the finite element simulation analysis.
Keywords: aluminum alloy; stainless steel; new type of metal tube; concrete short column; axial compression test; finite element simulation analysis
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