| 带加劲肋焊接空心球承载力研究 |
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| 引用本文： | 俞可权,陈筱妹. 带加劲肋焊接空心球承载力研究[J]. 低温建筑技术, 2011, 33(1): 53-56 |
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| 作者姓名： | 俞可权 陈筱妹 |
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| 作者单位： | 同济大学结构工程与防灾研究所;华南理工大学土木交通学院; |
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| 摘 要： | 在12个足尺带加劲肋空心焊接球节点单向加载试验的基础上,运用ABAQUS有限元软件,采用弹塑性线性强化材料本构模型建立有限元模型,考虑材料和几何非线性,利用弧长法对其受力过程进行分析,并将试验和模拟所得极限承载力值与规范推荐值进行比较.结合试验和有限元模拟,提出两条定量地判断试验中球节点极限荷载的标准.
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| 关 键 词： | 焊接空心球节点 极限承载力 判断准则 |
EXPERIMENTAL AND FINITE ELEMENT ANALYSIS ON THE BEARING CAPACITY OF HOLLOW SPHERICAL JOINTS WITH RIBBED STIFFENER |
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| YU Ke-quan,CHEN Xiao-mei. EXPERIMENTAL AND FINITE ELEMENT ANALYSIS ON THE BEARING CAPACITY OF HOLLOW SPHERICAL JOINTS WITH RIBBED STIFFENER[J]. Low Temperature Architecture Technology, 2011, 33(1): 53-56 |
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| Authors: | YU Ke-quan CHEN Xiao-mei |
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| Affiliation: | YU Ke-quan1,CHEN Xiao-mei2(1.Research Institute of Structural Engineering and Disaster Reduction,Tongji Univ.,Shanghai 200092,China,2.Dept.of Civil Engineering and Transportation,South China Univ.of Tech.,Guangzhou 510640,China) |
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| Abstract: | 12 full-scale experiments of welded hollow spherical joints with ribbed stiffener under axial load were carried out in this paper.Based on the linear hardening elasto-plastic model and geometric nonlinearity,the whole loading course of joints was calculated by the use of arc-length method in ABAQUS FEM software.Then,the ultimate bearing capacity obtained from tests,FEM simulation and specification formula were compared.Furthermore,two criterions used to estimate the ultimate bearing capacity of joints quant... |
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| Keywords: | hollow spherical joints ultimate bearing capacity criterions |
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