| 考虑滑移效应的薄壁型钢-混凝土组合梁抗弯承载能力分析 |
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| 引用本文： | 王进,高轩能,周期源.考虑滑移效应的薄壁型钢-混凝土组合梁抗弯承载能力分析[J].华侨大学学报(自然科学版),2009,30(4). |
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| 作者姓名： | 王进 高轩能 周期源 |
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| 作者单位： | 1. 华侨大学,土木工程学院,福建,泉州,362021
2. 深圳市电子院设计有限公司,广东,深圳,518031 |
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| 基金项目： | 福建省科技计划重点项目，福建省建设科技计划项目，国务院侨办科研基金资助项目，厦门市科技计划资助项目 |
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| 摘 要： | 分析滑移对冷弯薄壁U型钢-混凝土组合梁抗弯性能的影响通过对组合梁进行理论分析和ANSYS分析,建立考虑滑移效应的弹性和极限抗弯强度计算公式,计算简支冷弯薄壁U型钢-混凝土组合梁抗弯承载力理论计算值与试验结果对比表明,考虑滑移效应的弹性弯矩计算值和极限弯矩计算值与试验值吻合较好,滑移对组合梁弹性抗弯强度的降低不能忽略;考虑强度极限状态时,钢梁部分截面进入应力强化阶段的有利影响,滑移对极限抗弯强度的影响可以忽略不计.
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| 关 键 词： | 冷弯薄壁型钢 钢-混凝土组合梁 滑移效应 承载性能 刚度折减系数 极限弯矩 |
Bearing Behavior of Cold-Formed Thin-Walled Steel-Concrete Composite Beams Considering Slip Effect |
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| WANG Jin,GAO Xuan-neng,ZHOU Qi-yuan.Bearing Behavior of Cold-Formed Thin-Walled Steel-Concrete Composite Beams Considering Slip Effect[J].Journal of Huaqiao University(Natural Science),2009,30(4). |
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| Authors: | WANG Jin GAO Xuan-neng ZHOU Qi-yuan |
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| Institution: | 1.College of Civil Engineering;Huaqiao University;Quanzhou 362021;China;2.Shenzhen Electronics Design Institute Co.Ltd.;Shenzhen 518031;China |
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| Abstract: | The slip effect on elastic bending moment and ultimate bending moment of composite beams with U-section of cold-formed thin-walled steel-concrete is studied.ANSYS analysis and theoretical analysis of the composite beams are conducted.Expressions for elastic strength and ultimate strength considering slip effect are given.The bending moment of eight simple composite beams are calculated.The comparison between theoretical value and test results shows that the calculation values of elastic moment and ultimate ... |
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| Keywords: | cold-formed thin-walled steel steel-concrete composite beam slip effect stiffness reduction factor ultimate bending moment |
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