| 初应力钢管混凝土压弯扭构件统一理论的研究 |
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| 引用本文： | 查晓雄,唐家祥.初应力钢管混凝土压弯扭构件统一理论的研究[J].华中科技大学学报(自然科学版),1998(8). |
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| 作者姓名： | 查晓雄 唐家祥 |
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| 作者单位： | 华中理工大学土木工程系 |
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| 摘 要： | 基于三向复杂应力状态下的钢材和混凝土的本构关系，首次对有钢管初应力的钢管混凝土压弯扭构件工作性能进行了非线性有限元全过程分析，推导出实用的相关方程，提出了有初应力时钢管混凝土构件统一理论的设想．
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| 关 键 词： | 钢管混凝土 钢管初应力 压弯扭 非线性有限元 |
The United Design Theory for Concrete Filled Steel Tubular (CFST) Members Subjected to Compression-Bending-Torsion under the Initial Steel Stress |
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| Zha Xiaoxiong,Tang Jiaxiang.The United Design Theory for Concrete Filled Steel Tubular (CFST) Members Subjected to Compression-Bending-Torsion under the Initial Steel Stress[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1998(8). |
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| Authors: | Zha Xiaoxiong Tang Jiaxiang |
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| Institution: | Zha Xiaoxiong;Tang Jiaxiang |
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| Abstract: | Based on the multiaxial constitutive model of steel and concrete, the nonlinear finiteelement complete curve analyses have been carried out for CFST members on the condition of havinginitial stress in steel tube under compression-bending-torsion. The practical interaction equations forCFST members are deduced and the United Theory for CFST members in this condition is suggested. |
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| Keywords: | concrete filled steel tube (CFST) initial stress compression-bending-torsion nonlinear finite element interaction equations |
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