| 构造因素对扣件式钢管高大模板支架承载力的影响 |
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| 引用本文： | 曾志兴,魏銮新,郭义海.构造因素对扣件式钢管高大模板支架承载力的影响[J].华侨大学学报(自然科学版),2012(2):192-194. |
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| 作者姓名： | 曾志兴 魏銮新 郭义海 |
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| 作者单位： | 华侨大学土木工程学院 |
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| 基金项目： | 福建省高等学校新世纪优秀人才支持计划项目(07FJRC05);福建省厦门市科技计划高校创新项目(3502Z20083038) |
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| 摘 要： | 以现场调研为基础,借助有限元软件SAP 2000建立模型,分析高大模板支撑体系的剪刀撑、扫地杆及钢管壁厚在体系几何尺寸不变的情况下对其屈曲承载力的影响.结果表明:竖向剪刀撑单向设置时,其设置方法对架体承载力影响很小;竖向剪刀撑双向设置时,其设置方法对架体承载力影响很大;架体承载力受扫地杆设置和钢管壁厚的影响较大.
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| 关 键 词： | 高大模板 支架 剪刀撑 扫地杆 扣件式钢管 承载力 |
Influence of Construction Factors on Buckling Bearing Capacity of Coupler Steel Tube Supporting System for Tall Falsework |
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| ZENG Zhi-xing,WEI Luan-xin,GUO Yi-hai.Influence of Construction Factors on Buckling Bearing Capacity of Coupler Steel Tube Supporting System for Tall Falsework[J].Journal of Huaqiao University(Natural Science),2012(2):192-194. |
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| Authors: | ZENG Zhi-xing WEI Luan-xin GUO Yi-hai |
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| Institution: | (College of Civil Engineering,Huaqiao University,Xiamen 361021,China) |
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| Abstract: | Based on the in-situ investigation,and using SAP 2000 finite element analysis software,the influence of the diagonal strut,bottom bracing and thickness of tube on buckling bearing capacity was investigated in tall falsework on condition of the same dimension of the system.The results indicate: the setup of vertical single diagonal strut influences slightly the bearing capacity,the setup of vertical crossing diagonal strut influences greatly the bearing capacity,the setup of bottom bracing and thickness of tube also influence the bearing capacity. |
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| Keywords: | tall falsework supporting crossing struts bottom bracing coupler steel tube bearing capacity |
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