| 型钢混凝土异形柱轴压力系数限值的试验与理论分析 |
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| 引用本文： | 邵永健,陈宗平,薛建阳,赵鸿铁,朱聘儒.型钢混凝土异形柱轴压力系数限值的试验与理论分析[J].建筑结构学报,2007,28(6):153-159. |
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| 作者姓名： | 邵永健 陈宗平 薛建阳 赵鸿铁 朱聘儒 |
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| 作者单位： | 西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院,江苏省结构工程重点实验室(苏州科技学院) 陕西西安710055,江苏省结构工程重点实验室(苏州科技学院),江苏苏州215011,陕西西安710055,广西大学土木建筑工程学院,广西南宁530004,陕西西安710055,陕西西安710055,江苏苏州215011 |
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| 基金项目： | 国家自然科学基金;江苏省结构工程重点学科项目;陕西省自然科学基金 |
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| 摘 要： | 根据17个型钢混凝土(SRC)异形柱试件在低周反复水平力作用下的试验结果,采用大小偏压界限破坏理论和叠加法理论计算了SRC异形柱的轴压力系数限值,并与试验结果进行比较,结果表明:采用大小偏压界限破坏理论的计算结果与实际不符,计算SRC异形柱的轴压力系数限值存在缺陷;而采用叠加法理论的计算结果与试验结果吻合较好,并给出了SRC异形柱的轴压力系数限值。通过对比SRC异形柱的轴压力系数限值和RC异形柱的轴压比限值表明:与RC异形柱相比,SRC异形柱所能承受的轴压力限值明显提高,可有效改善普通RC异形柱因轴压比限值过低而影响其适用范围。
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| 关 键 词： | 型钢混凝土 延性 异形柱 轴压力系数 |
| 文章编号： | 1000-6869(2007)06-0153-07 |
| 收稿时间： | 2007-12-05 |
| 修稿时间： | 2007年5月1日 |
Experimental research and theoretical analyses on axial compression ratio of steel reinforced concrete special-shaped columns |
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| SHAO Yongjian,CHEN Zongping,XUE Jianyang,ZHAO Hongtie,ZHU Pinru.Experimental research and theoretical analyses on axial compression ratio of steel reinforced concrete special-shaped columns[J].Journal of Building Structures,2007,28(6):153-159. |
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| Authors: | SHAO Yongjian CHEN Zongping XUE Jianyang ZHAO Hongtie ZHU Pinru |
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| Affiliation: | SHAO Yongjian,CHEN Zongping,XUE Jianyang,ZHAO Hongtie,ZHU Pinru (.School of Civil Engineering,Xi'an University of Architecture and Technology,Xi'an,China,.College of Civil and Architectural Engineering,Guangxi University,Nanning,China,.Jiangsu Key Laboratory of Structure Engineering(University of Science and Technology of Suzhou),Suzhou,China) |
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| Abstract: | According to the experimental study on 17 specimens of steel reinforced concrete(SRC) special-shaped columns under low cyclic reversed loading,the axial compression ratio of steel reinforced concrete special-shaped columns is calculated by the balanced failure method and the accumulative method.The comparison between calculation results and experimental results shows that the calculation results using accumulative method is more accurate.Based on the experiment and analyses,the axial compression ratio of steel reinforced concrete special-shaped columns is given.The axial compression ratios are compared between steel reinforced concrete special-shaped columns and reinforced concrete special-shaped columns,indicating that the ultimate axial compression strength of SRC special-shaped column is obviously enhanced than RC special-shaped columns. |
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| Keywords: | steel reinforced concrete(SRC) special-shaped columns axial compression ratio displacement ductility |
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