| 基于塑性理论的钢箱-混凝土组合梁抗弯强度计算 |
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| 引用本文： | 莫时旭,廖俊晟,郑艳,钟新谷.基于塑性理论的钢箱-混凝土组合梁抗弯强度计算[J].桂林工学院学报,2011,31(1):68-72. |
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| 作者姓名： | 莫时旭 廖俊晟 郑艳 钟新谷 |
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| 作者单位： | 桂林理工大学土木与建筑工程学院;湖南科技大学土木工程学院; |
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| 基金项目： | 国家自然科学基金项目(50478099); 广西自然科学基金项目(2010GXNSFA013032) |
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| 摘 要： | 为研究钢箱-混凝土组合梁的结构性能,分析其强度的主要影响因素,利用截面数值积分方法,考虑材料非线性,对钢箱-混凝土组合梁受力全过程的行为进行了理论分析,分析结果与试验结果基本相符;基于塑性理论提出了梁抗弯强度实用计算公式,计算结果与试验结果吻合良好;利用计算公式对钢箱-混凝土组合梁顶板、底板、腹板厚度、混凝土强度等主要参数对梁的抗弯强度的影响进行了分析,结果表明,钢板厚度变化对梁的强度的影响强弱依次为：底板〉腹板〉顶板,提高混凝土强度可以明显提高梁的强度。
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| 关 键 词： | 钢箱-混凝土梁 塑性理论 抗弯强度 |
Bending Strength Calculation of Concrete-Filled Steel Box Beam Based on Plastic Theory |
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| MO Shi-xu,LIAO Jun-sheng,ZHENG Yan,ZHONG Xin-gu.Bending Strength Calculation of Concrete-Filled Steel Box Beam Based on Plastic Theory[J].Journal of Guilin University of Technology,2011,31(1):68-72. |
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| Authors: | MO Shi-xu LIAO Jun-sheng ZHENG Yan ZHONG Xin-gu |
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| Affiliation: | MO Shi-xu1,LIAO Jun-sheng1,ZHENG Yan1,ZHONG Xin-gu2 (1.College of Civil Engineering,Guilin University of Science and Technology,Guilin 541004,China,2.School of Civil Engineering,Hunan Univesity of Science and Technology,Xiangtan 411201,China) |
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| Abstract: | In order to investigate the structural behavior of concrete-filled steel box beam and the affecting factors of strength,the full-range loading behavior of concrete-filled steel box beam is analyzed by the numerical combined method.The analysis agrees with the tests basically.The calculated formula of loading capacity of concrete-filled steel box beam is proposed on plastic theory.The calculated results agree with the results of the tests well.The effect of changes in flange plate thickness,web thickness,con... |
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| Keywords: | concrete-filled steel box beam plastic theory bending strength |
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