Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Combined cast-in-place box girder support structure and construction method thereof
The invention provides a combined cast-in-place box girder support structure. The combined cast-in-place box girder support structure comprises a prestressed pipe pile foundation, a steel pipe column, a formwork and a roadbed, wherein multiple sets of prestressed pipe pile foundations are distributed in a soft foundation in an array mode, lower ends of the prestressed pipe pile foundations penetrate into a fully-weathered granite layer, and a concrete bearing platform is arranged at an upper end of each set of prestressed pipe pile foundation; each steel pipe column is fixed on one concrete bearing platform, and a bearing beam is fixed on each row of steel pipe columns; a plurality of bailey trusses are lapped on the bearing beams, and a plurality of distribution beams are transversely carried on the bailey trusses; the formwork comprises a bottom plate and side plates, a plurality of square timbers are arranged between the bottom plate and the distribution beams in the bridge direction, and side formwork supporting frames are arranged between the side plates and the distribution beams; the roadbed is located on the hard ground, a bowl-buckle-type full framing is built on the roadbed, a jacking plate is arranged on the upper portion of the bowl-buckle-type full framing, and a plurality of square timbers are arranged between the jacking plate and a bottom plate and a side plate of the formwork in the bridge direction. The invention further provides a construction method of the combined cast-in-place box girder support.
本发明提出一种组合式现浇箱梁支架结构，包括：预应力管桩基础、钢管柱、模板和路床；多组预应力管桩基础阵列分布在软弱地基中，其下端深入至全风化花岗岩层，每组预应力管桩基础的上端分别设置有混凝土承台；每个钢管柱固定在一个混凝土承台上，每行钢管柱上分别固定有一条承重梁；多条贝雷架搭在多个承重梁上，多条贝雷架上横向搭载有多个分配梁；模板包含底板和侧板，底板与分配梁之间顺桥向设置有多个方木，侧板与分配梁之间设置有侧模支撑架；路床位于硬质地面上，路床上搭建有碗扣式满堂支架，碗扣式满堂支架的上部设置有顶托板，顶托板与模板的底板和侧板之间顺桥向设置有多个方木。本发明还提出一种组合式现浇箱梁支架施工方法。
Combined cast-in-place box girder support structure and construction method thereof
The invention provides a combined cast-in-place box girder support structure. The combined cast-in-place box girder support structure comprises a prestressed pipe pile foundation, a steel pipe column, a formwork and a roadbed, wherein multiple sets of prestressed pipe pile foundations are distributed in a soft foundation in an array mode, lower ends of the prestressed pipe pile foundations penetrate into a fully-weathered granite layer, and a concrete bearing platform is arranged at an upper end of each set of prestressed pipe pile foundation; each steel pipe column is fixed on one concrete bearing platform, and a bearing beam is fixed on each row of steel pipe columns; a plurality of bailey trusses are lapped on the bearing beams, and a plurality of distribution beams are transversely carried on the bailey trusses; the formwork comprises a bottom plate and side plates, a plurality of square timbers are arranged between the bottom plate and the distribution beams in the bridge direction, and side formwork supporting frames are arranged between the side plates and the distribution beams; the roadbed is located on the hard ground, a bowl-buckle-type full framing is built on the roadbed, a jacking plate is arranged on the upper portion of the bowl-buckle-type full framing, and a plurality of square timbers are arranged between the jacking plate and a bottom plate and a side plate of the formwork in the bridge direction. The invention further provides a construction method of the combined cast-in-place box girder support.
本发明提出一种组合式现浇箱梁支架结构，包括：预应力管桩基础、钢管柱、模板和路床；多组预应力管桩基础阵列分布在软弱地基中，其下端深入至全风化花岗岩层，每组预应力管桩基础的上端分别设置有混凝土承台；每个钢管柱固定在一个混凝土承台上，每行钢管柱上分别固定有一条承重梁；多条贝雷架搭在多个承重梁上，多条贝雷架上横向搭载有多个分配梁；模板包含底板和侧板，底板与分配梁之间顺桥向设置有多个方木，侧板与分配梁之间设置有侧模支撑架；路床位于硬质地面上，路床上搭建有碗扣式满堂支架，碗扣式满堂支架的上部设置有顶托板，顶托板与模板的底板和侧板之间顺桥向设置有多个方木。本发明还提出一种组合式现浇箱梁支架施工方法。
Combined cast-in-place box girder support structure and construction method thereof
一种组合式现浇箱梁支架结构及其施工方法
ZHANG LIBIN (Autor:in) / MA XIAOLONG (Autor:in) / CHEN LIANLI (Autor:in)
11.05.2021
Patent
Elektronische Ressource
Chinesisch
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