| 不等肢异形柱截面曲率延性分析 |
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| 引用本文： | 张新培,陈伟,张翼.不等肢异形柱截面曲率延性分析[J].四川大学学报(工程科学版),2006,38(4):44-48. |
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| 作者姓名： | 张新培 陈伟 张翼 |
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| 作者单位： | 四川大学,建筑与环境学院,四川,成都,610065 |
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| 摘 要： | 采用非线性全过程数值分析方法, 计算了钢筋混凝土不等肢T形、L形和十字形柱截面模型在多种工况下的截面曲率延性比。以此为基础, 对影响不等肢T形、L形、十字形异形柱截面曲率延性的主要因素作了统计分析，建立了轴压比、纵筋配筋率、体积配箍率、纵筋等级和砼等级等因素与不等肢异形柱截面曲率延性的关系，为不等肢异形柱抗震性能评估提供了依据。
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| 关 键 词： | 非线性分析 不等肢异形柱 曲率延性比 |
| 文章编号： | 1009-3087（2006）04-0044-04 |
| 收稿时间： | 09 26 2005 12:00AM |
| 修稿时间： | 2005-09-26 |
Analysis of Curvature Ductility Ratio for the Cross-section of
R.C Inequiaxial Special-shaped Columns |
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| ZHANG Xin-pei,CHEN Wei,ZHANG Yi.Analysis of Curvature Ductility Ratio for the Cross-section of
R.C Inequiaxial Special-shaped Columns[J].Journal of Sichuan University (Engineering Science Edition),2006,38(4):44-48. |
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| Authors: | ZHANG Xin-pei CHEN Wei ZHANG Yi |
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| Affiliation: | School of Architecture and Environment,Sichuan Univ., Chengdu 610065, China;School of Architecture and Environment,Sichuan Univ., Chengdu 610065, China;School of Architecture and Environment,Sichuan Univ., Chengdu 610065, China |
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| Abstract: | The cross-section curvature ductility ratio for R.C inequiaxial T-shaped,L-shaped and cross-shaped columns is calculated by numerical method.On the basis of calculation results,the influence of design parametrs(axial compression ratio,content of longitudinal reinforcement,content of stirrup,grade of concrete strength and grade of longitudinal reinforcement) on the cross-section curvature ductility ratio is analyzed.The relationships between cross-section curvature ductility ratio versus the parameters are presented.It's helpful for the evaluation of aseismatic performance on R.C inequiaxial T-shaped,L-shaped and cross-shaped columns. |
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| Keywords: | nonlinear analysis inequiaxial special-shaped columns curvature ductility ratio |
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