| 节点焊缝缺陷引起的空间圆管桁架的失效模式分析 |
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| 引用本文： | 李斌.节点焊缝缺陷引起的空间圆管桁架的失效模式分析[J].钢结构,2010,25(2):61-63,31. |
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| 作者姓名： | 李斌 |
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| 作者单位： | 福建省建筑科学研究院,福州,350025 |
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| 摘 要： | 空间圆钢管桁架结构造型新颖,节点构造简洁。实际工程中,个别管节点存在漏焊、焊瘤、裂纹等施工质量缺陷,结合具体实例主要分析节点焊缝缺陷引起的空间圆管桁架的失效模式,并提出相应的构造预防处理措施,从而确保圆钢管空间桁架结构的安全可靠性。
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| 关 键 词： | 空间圆管桁架 焊缝缺陷 空间管节点 失效模式 |
FAILURE MODES ANALYSIS ON SPATIAL TUBULAR TRUSS WITH JOINT WELDED DEFECTS |
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| Li Bin.FAILURE MODES ANALYSIS ON SPATIAL TUBULAR TRUSS WITH JOINT WELDED DEFECTS[J].Steel Construction,2010,25(2):61-63,31. |
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| Authors: | Li Bin |
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| Affiliation: | Fujian Academy of Building Research;Fuzhou 350025;China |
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| Abstract: | The shape of spatial tubular truss structure is very fancy and the multiplanar joint is very simple.There are many welded defects on multiplanar tubular joints in construction,such as welded tumour,missing welding and crack,etc.In this paper,failure modes of spatial tubular truss with welded defects are briefly analyzed.The constructional measures are put forward.This will improve the reliability of the spatial tubular truss structure. |
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| Keywords: | spatial tubular truss welded defects multiplanar tubular joints failure modes |
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