| 冷弯薄壁钢类椭圆截面轴压构件设计方法 |
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| 引用本文： | 朱继华,辛佩龙,许颖.冷弯薄壁钢类椭圆截面轴压构件设计方法[J].哈尔滨工业大学学报,2011,43(10):124-128. |
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| 作者姓名： | 朱继华 辛佩龙 许颖 |
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| 作者单位： | 深圳大学土木工程学院;深圳市立方建筑设计股份有限公司;哈尔滨工业大学深圳研究生院城市与土木工程学科部;哈尔滨工业大学深圳研究生院城市与土木工程学科部 |
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| 基金项目： | 国家自然科学基金资助项目(50808126,51078237) |
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| 摘 要： | 为研究冷弯薄壁钢空心类椭圆截面轴心受压构件的有限元数值模拟及设计方法，考察了现行冷弯薄壁钢结构设计规范中的有效宽度法对该类型截面构件的适用性．采用Abaqus建立冷弯薄壁钢空心类椭圆该模型可以准确地模拟此类构件的力学性能截面轴心受压构件的非线性有限元数值模型．有限元模型计算结果与试验结果的比较表明，该模型可以准确地模拟...
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| 关 键 词： | 冷弯薄壁钢 轴心受压构件 有限元数值模拟 直接强度法 |
Numerical simulation and design of cold-formed steel oval hollow section compression members |
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| ZHU Ji-hu,XIN Pei-long and XU Ying.Numerical simulation and design of cold-formed steel oval hollow section compression members[J].Journal of Harbin Institute of Technology,2011,43(10):124-128. |
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| Authors: | ZHU Ji-hu XIN Pei-long and XU Ying |
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| Affiliation: | School of Civil Engineering,Shenzhen University,518060 Shenzhen,Guangdong,China;Shenzhen Cube Architect Design Company,518055 Shenzhen,Guangdong,China;Department of Urban and Civil Engineering, Harbin Institute of Technology Shenzhen Graduate School,518055 Shenzhen,Guangdong,China);Department of Urban and Civil Engineering, Harbin Institute of Technology Shenzhen Graduate School,518055 Shenzhen,Guangdong,China) |
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| Abstract: | A research was performed on the numerical simulation and design of cold-formed steel oval hollow section compression members to investigate the applicability of existing design specification to the new section.A non-linear finite element model was developed using Abaqus.The numerical results were compared with the test results and it is shown that the numerical model accurately predicted the structural behavior of the compression members.Parametric study was performed using the verified model including 100 members with different cross-section dimensions and lengths.The test and numerical strengths were compared with the design strengths calculated using the current Chinese Code and direct strength method,which is included by the North American Specification for cold-formed steel structures.It is shown that the direct strength method can be used for the design of cold-formed steel oval hollow section members under axial compression. |
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| Keywords: | cold-formed steel axial compression members finite element modeling direct strength method |
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