大跨重载钢结构梁柱销轴节点承载性能试验研究
发布时间:2019-08-04 09:34
【摘要】:某多层工业厂房为钢框架结构,二层大跨度楼面钢桁架与钢柱连接采用销轴节点.钢桁架上下弦杆及腹杆均采用H型钢截面,弦杆及腹杆通过特定构造形式的节点域采用销轴与柱伸出的耳板连接.为满足工程设计要求,需要确定其承载性能.根据设计要求和有限元分析结果,对该连接节点设计了4组试件进行试验研究,结果表明销轴节点在设计荷载下处于弹性阶段,破坏阶段仍具有良好的延性,承载性能满足设计要求,可为类似工程参考.
[Abstract]:A multi-story industrial factory building is a steel frame structure, and the pin shaft joint is used in the connection between the steel truss and the steel column in the two-story long-span building. The upper and lower chords and webs of steel trusses are connected by H-section, and the chords and webs are connected by pin shafts to the ear plates extending from the columns through the node domain of a specific structural form. In order to meet the requirements of engineering design, it is necessary to determine its bearing capacity. According to the design requirements and finite element analysis results, four groups of specimens are designed for the joint. The results show that the pin shaft joint is in the elastic stage under the design load, the failure stage still has good toughness, and the bearing capacity meets the design requirements, which can be used as a reference for similar projects.
【作者单位】: 合肥工业大学土木与水利工程学院;中国五洲工程设计集团有限公司;清华大学土木工程系土木工程安全与耐久教育部重点实验室;中国航天建设集团有限公司;
【基金】:国家自然科学基金资助项目(51038006)
【分类号】:TU391
[Abstract]:A multi-story industrial factory building is a steel frame structure, and the pin shaft joint is used in the connection between the steel truss and the steel column in the two-story long-span building. The upper and lower chords and webs of steel trusses are connected by H-section, and the chords and webs are connected by pin shafts to the ear plates extending from the columns through the node domain of a specific structural form. In order to meet the requirements of engineering design, it is necessary to determine its bearing capacity. According to the design requirements and finite element analysis results, four groups of specimens are designed for the joint. The results show that the pin shaft joint is in the elastic stage under the design load, the failure stage still has good toughness, and the bearing capacity meets the design requirements, which can be used as a reference for similar projects.
【作者单位】: 合肥工业大学土木与水利工程学院;中国五洲工程设计集团有限公司;清华大学土木工程系土木工程安全与耐久教育部重点实验室;中国航天建设集团有限公司;
【基金】:国家自然科学基金资助项目(51038006)
【分类号】:TU391
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