Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for large-span steel box girder of overpass subway station
The invention relates to a construction method for a large-span steel box girder of an overpass subway station. According to the hoisting scheme, after a segment is hoisted, the additional stress on an overpass station area is smaller than the foundation bearing capacity of the overpass station area through simulation calculation. According to the hoisting scheme, the number of the assembling support assemblies and the number of the sections of the steel box girders above the overcrossing station area and the installation area of the assembling support assemblies on the overcrossing station area are included; the assembling support assembly comprises a steel pipe support and a strip-shaped foundation. According to the hoisting scheme, an assembling support assembly is arranged on the installation area of the overpass station area, and then a crane carries out hoisting outside the overpass station area; the contact area between the strip-shaped foundation and the ground is increased, pressure stress is dispersed, the weight and length of each hoisting section are reduced by simulating and calculating the number of the assembly support assemblies and the sections in advance, the pressure stress of a steel beam on a subway top plate in the actual construction process is effectively reduced, and the construction efficiency is improved. The problem that a large-span steel box girder cannot be implemented due to overlarge load of a subway station roof is solved, and the engineering cost is reduced.
本申请涉及一种上跨地铁车站大跨度钢箱梁施工方法，模拟计算吊装节段后对上跨车站区域的附加应力小于上跨车站区域地基承载力的吊装方案；吊装方案包括上跨车站区域上方的拼装支架组件和钢箱梁的节段的数量，拼装支架组件在上跨车站区域上的安装区域；拼装支架组件包括钢管支架和条形基础；根据吊装方案在上跨车站区域的安装区域上设置拼装支架组件，然后吊车在上跨车站区域外进行吊装；以上条形基础增加与地面的接触面积，分散压应力，通过预先模拟计算拼装支架组件和节段的数量，降低每个吊装节段的重量及长度，有效地降低了实际施工时钢梁对地铁顶板作用的压应力，解决大跨度钢箱梁跨地铁车站顶板荷载过大而无法实施的问题，减少工程成本。
Construction method for large-span steel box girder of overpass subway station
The invention relates to a construction method for a large-span steel box girder of an overpass subway station. According to the hoisting scheme, after a segment is hoisted, the additional stress on an overpass station area is smaller than the foundation bearing capacity of the overpass station area through simulation calculation. According to the hoisting scheme, the number of the assembling support assemblies and the number of the sections of the steel box girders above the overcrossing station area and the installation area of the assembling support assemblies on the overcrossing station area are included; the assembling support assembly comprises a steel pipe support and a strip-shaped foundation. According to the hoisting scheme, an assembling support assembly is arranged on the installation area of the overpass station area, and then a crane carries out hoisting outside the overpass station area; the contact area between the strip-shaped foundation and the ground is increased, pressure stress is dispersed, the weight and length of each hoisting section are reduced by simulating and calculating the number of the assembly support assemblies and the sections in advance, the pressure stress of a steel beam on a subway top plate in the actual construction process is effectively reduced, and the construction efficiency is improved. The problem that a large-span steel box girder cannot be implemented due to overlarge load of a subway station roof is solved, and the engineering cost is reduced.
本申请涉及一种上跨地铁车站大跨度钢箱梁施工方法，模拟计算吊装节段后对上跨车站区域的附加应力小于上跨车站区域地基承载力的吊装方案；吊装方案包括上跨车站区域上方的拼装支架组件和钢箱梁的节段的数量，拼装支架组件在上跨车站区域上的安装区域；拼装支架组件包括钢管支架和条形基础；根据吊装方案在上跨车站区域的安装区域上设置拼装支架组件，然后吊车在上跨车站区域外进行吊装；以上条形基础增加与地面的接触面积，分散压应力，通过预先模拟计算拼装支架组件和节段的数量，降低每个吊装节段的重量及长度，有效地降低了实际施工时钢梁对地铁顶板作用的压应力，解决大跨度钢箱梁跨地铁车站顶板荷载过大而无法实施的问题，减少工程成本。
Construction method for large-span steel box girder of overpass subway station
一种上跨地铁车站大跨度钢箱梁施工方法
SU QI (Autor:in) / LIU NONG (Autor:in) / YAN JIA (Autor:in) / LI YANRONG (Autor:in) / WANG YONGTAO (Autor:in) / CHEN PENG (Autor:in) / ZHANG CONG (Autor:in) / ZHANG QIN (Autor:in) / CHEN QIAO (Autor:in) / DING BINGBING (Autor:in)
13.12.2024
Patent
Elektronische Ressource
Chinesisch
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