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High-altitude large-span truss structure and construction method thereof
According to the high-altitude large-span truss structure and the construction method thereof, the multiple small unit substructures are detachably spliced through the multiple bolt-sphere joints and the truss rod pieces, and the multiple small unit substructures can take the two ends, in the span direction, of the truss body as the starting ends; the truss main body is formed by splicing one by one from the two ends to the middle according to a set sequence, so that high-altitude welding operation is avoided, the site construction and detection requirements are simplified, and the construction period is shortened; through construction simulation and analysis, a reasonable assembly sequence of the small unit substructures is set, and the stability of each small unit substructure in the assembly process is ensured, so that an operator can safely construct and move on the truss, and an auxiliary tower support does not need to be additionally arranged; and by adopting an on-site high-altitude splicing and folding mode, the high-altitude integral hoisting of the large-span truss structure is avoided, so that the limitation of a construction site is small.
本申请的实施例提供了一种高空大跨桁架结构及其施工方法，通过若干个螺栓球节点和桁架杆件可拆卸地拼接成多个小单元子结构，多个小单元子结构能够以桁架主体跨度方向的两端为起始端，从两端至中间按照设定的顺序逐个拼装形成桁架主体，从而避免了高空焊接作业，简化了现场施工与检测要求，缩短了施工周期；通过施工模拟与分析，设定合理的小单元子结构拼装顺序，保证每个小单元子结构在拼装过程中的稳定性，使得作业人员可以安全地在桁架上施工与移动，不需要额外设置辅助塔架支撑；采用现场高空拼装合拢的方式，避免了大跨桁架结构的高空整体吊装，因此受到施工场地的限制较小。
High-altitude large-span truss structure and construction method thereof
According to the high-altitude large-span truss structure and the construction method thereof, the multiple small unit substructures are detachably spliced through the multiple bolt-sphere joints and the truss rod pieces, and the multiple small unit substructures can take the two ends, in the span direction, of the truss body as the starting ends; the truss main body is formed by splicing one by one from the two ends to the middle according to a set sequence, so that high-altitude welding operation is avoided, the site construction and detection requirements are simplified, and the construction period is shortened; through construction simulation and analysis, a reasonable assembly sequence of the small unit substructures is set, and the stability of each small unit substructure in the assembly process is ensured, so that an operator can safely construct and move on the truss, and an auxiliary tower support does not need to be additionally arranged; and by adopting an on-site high-altitude splicing and folding mode, the high-altitude integral hoisting of the large-span truss structure is avoided, so that the limitation of a construction site is small.
本申请的实施例提供了一种高空大跨桁架结构及其施工方法，通过若干个螺栓球节点和桁架杆件可拆卸地拼接成多个小单元子结构，多个小单元子结构能够以桁架主体跨度方向的两端为起始端，从两端至中间按照设定的顺序逐个拼装形成桁架主体，从而避免了高空焊接作业，简化了现场施工与检测要求，缩短了施工周期；通过施工模拟与分析，设定合理的小单元子结构拼装顺序，保证每个小单元子结构在拼装过程中的稳定性，使得作业人员可以安全地在桁架上施工与移动，不需要额外设置辅助塔架支撑；采用现场高空拼装合拢的方式，避免了大跨桁架结构的高空整体吊装，因此受到施工场地的限制较小。
High-altitude large-span truss structure and construction method thereof
一种高空大跨桁架结构及其施工方法
DENG CHUNYAN (author)
2022-12-30
Patent
Electronic Resource
Chinese
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