Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for modular hoisting of super-large-span prestressed pipe truss
The invention discloses a construction method for modular hoisting of a super-large-span prestressed pipe truss, which comprises the following steps of: arranging balance steel cables for 14 trusses, arranging gable trusses at two ends and seven secondary trusses, dividing the super-large-span prestressed pipe truss structure into four sections A, B, C and D according to the characteristics of the super-large-span prestressed pipe truss structure, processing all rod pieces in a workshop, and then transporting the rod pieces to a construction site for assembly, each section is assembled on the ground, then tower supports are adopted for high-altitude butt joint, the front two trusses serve as a first construction unit, after construction of the front two trusses is finished, purlines and riding tracks are installed immediately, from the third truss, each truss serves as a construction unit, in other words, each truss and the matched purlines and riding tracks slide forwards by a column distance every time a truss and the matched purlines and riding tracks are installed, and therefore preliminary installation is achieved; and then, the prestressed inhaul cables are hung, so that the truss is mounted. Compared with the prior art, the device has the advantages that high-altitude operation can be reduced, installation is fast, and the safety coefficient is reduced.
本发明公开了一种超大跨度预应力管桁架模块式吊装的施工方法，包括14榀设置平衡钢索，两端为山墙桁架，次桁架共7道，根据超大跨度预应力管桁架结构的自身特点，将其分为A、B、C、D四段，所有杆件均采用车间加工，然后发运至施工现场进行拼装，每段均在地面拼装，然后采用塔架支撑高空对接，前两榀为第一个施工单元，前两榀施工结束后，立刻安装檩条和马道，从第三榀开始，每一榀为一个施工单元，即每安装完一榀桁架及配套的檩条和马道向前滑移一个柱距，以此实现初步安装，然后再挂预应力拉索，从而该榀桁架安装完成。本发明与现有的技术相比的优点在于：本发明可以方减少高空操作，安装快，降低安全系数。
Construction method for modular hoisting of super-large-span prestressed pipe truss
The invention discloses a construction method for modular hoisting of a super-large-span prestressed pipe truss, which comprises the following steps of: arranging balance steel cables for 14 trusses, arranging gable trusses at two ends and seven secondary trusses, dividing the super-large-span prestressed pipe truss structure into four sections A, B, C and D according to the characteristics of the super-large-span prestressed pipe truss structure, processing all rod pieces in a workshop, and then transporting the rod pieces to a construction site for assembly, each section is assembled on the ground, then tower supports are adopted for high-altitude butt joint, the front two trusses serve as a first construction unit, after construction of the front two trusses is finished, purlines and riding tracks are installed immediately, from the third truss, each truss serves as a construction unit, in other words, each truss and the matched purlines and riding tracks slide forwards by a column distance every time a truss and the matched purlines and riding tracks are installed, and therefore preliminary installation is achieved; and then, the prestressed inhaul cables are hung, so that the truss is mounted. Compared with the prior art, the device has the advantages that high-altitude operation can be reduced, installation is fast, and the safety coefficient is reduced.
本发明公开了一种超大跨度预应力管桁架模块式吊装的施工方法，包括14榀设置平衡钢索，两端为山墙桁架，次桁架共7道，根据超大跨度预应力管桁架结构的自身特点，将其分为A、B、C、D四段，所有杆件均采用车间加工，然后发运至施工现场进行拼装，每段均在地面拼装，然后采用塔架支撑高空对接，前两榀为第一个施工单元，前两榀施工结束后，立刻安装檩条和马道，从第三榀开始，每一榀为一个施工单元，即每安装完一榀桁架及配套的檩条和马道向前滑移一个柱距，以此实现初步安装，然后再挂预应力拉索，从而该榀桁架安装完成。本发明与现有的技术相比的优点在于：本发明可以方减少高空操作，安装快，降低安全系数。
Construction method for modular hoisting of super-large-span prestressed pipe truss
一种超大跨度预应力管桁架模块式吊装的施工方法
LI LIWU (Autor:in) / TAN XINGCHEN (Autor:in) / ZHAO WEIJIAN (Autor:in) / CHEN XIYANG (Autor:in) / WANG HUI (Autor:in) / LYU LINFU (Autor:in)
03.05.2024
Patent
Elektronische Ressource
Chinesisch
Step-by-step hoisting method for super-large-span truss
| Europäisches Patentamt | 2022