Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for double-curved-surface cantilever space pipe truss of stadium
The invention provides a construction method of a double-curved-surface overhanging space pipe truss of a stadium, and solves the problems of low assembly speed and long construction period of a unit truss caused by high difficulty in aerial construction and narrow aerial construction site due to the fact that most procedures of the unit truss are welding construction in the air. In a factory, all the rod pieces of the unit truss are transported to a construction site after being prefabricated, and are accurately assembled through the jig frame, so that the situation that a single truss is large, special-shaped and the like and is difficult to transport or cannot be transported is solved. The rod pieces of the unit trusses are spliced through the jig frame, the angles of all the radial main trusses are consistent, and the splicing precision is easy to control. And during construction, the welding construction amount of the unit truss in the air is greatly reduced, so that the construction progress of the unit truss is quickly promoted, and the construction period of the unit truss is greatly shortened. And meanwhile, the safety risk of aerial construction is also reduced by reducing the high-altitude welding workload.
本发明提供了一种体育场双曲面悬挑空间管桁架施工方法，解决了单元桁架大部分工序是在空中进行焊接施工，由于空中施工难度大，空中施工场地较窄，导致单元桁架的拼装速度缓慢，施工周期较长的问题。本发明在工厂中将单元桁架的各杆件预制完成后，运输到施工现场，通过胎架进行精准拼装，解决了因单榀桁架较大、异形等不易或无法运输的情形。单元桁架的各杆件通过胎架进行拼装，所有径向主桁架的角度一致，拼装精度易于控制。在施工时，大大降低了单元桁架在空中的焊接施工量，使得单元桁架的施工进程得以快速推进，大大减少了单元桁架的施工周期。同时通过降低高空焊接作业量，也降低了空中施工的安全风险。
Construction method for double-curved-surface cantilever space pipe truss of stadium
The invention provides a construction method of a double-curved-surface overhanging space pipe truss of a stadium, and solves the problems of low assembly speed and long construction period of a unit truss caused by high difficulty in aerial construction and narrow aerial construction site due to the fact that most procedures of the unit truss are welding construction in the air. In a factory, all the rod pieces of the unit truss are transported to a construction site after being prefabricated, and are accurately assembled through the jig frame, so that the situation that a single truss is large, special-shaped and the like and is difficult to transport or cannot be transported is solved. The rod pieces of the unit trusses are spliced through the jig frame, the angles of all the radial main trusses are consistent, and the splicing precision is easy to control. And during construction, the welding construction amount of the unit truss in the air is greatly reduced, so that the construction progress of the unit truss is quickly promoted, and the construction period of the unit truss is greatly shortened. And meanwhile, the safety risk of aerial construction is also reduced by reducing the high-altitude welding workload.
本发明提供了一种体育场双曲面悬挑空间管桁架施工方法，解决了单元桁架大部分工序是在空中进行焊接施工，由于空中施工难度大，空中施工场地较窄，导致单元桁架的拼装速度缓慢，施工周期较长的问题。本发明在工厂中将单元桁架的各杆件预制完成后，运输到施工现场，通过胎架进行精准拼装，解决了因单榀桁架较大、异形等不易或无法运输的情形。单元桁架的各杆件通过胎架进行拼装，所有径向主桁架的角度一致，拼装精度易于控制。在施工时，大大降低了单元桁架在空中的焊接施工量，使得单元桁架的施工进程得以快速推进，大大减少了单元桁架的施工周期。同时通过降低高空焊接作业量，也降低了空中施工的安全风险。
Construction method for double-curved-surface cantilever space pipe truss of stadium
一种体育场双曲面悬挑空间管桁架施工方法
WANG ZHANKUN (Autor:in) / SU KAI (Autor:in) / ZHU YANHANG (Autor:in) / LI PENG (Autor:in) / LUO YANGBO (Autor:in) / ZHENG LITAO (Autor:in) / ZHANG JIAN (Autor:in) / ZI XINYING (Autor:in)
08.07.2022
Patent
Elektronische Ressource
Chinesisch
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