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A platform for research: civil engineering, architecture and urbanism
Multi-span asymmetric bridge special-shaped steel arch manufacturing and construction method
The invention provides a manufacturing and construction method of a multi-span asymmetric bridge special-shaped steel arch. The manufacturing and construction method comprises the following steps: S1, arch foot construction; the method specifically comprises the following steps of a, foundation pit treatment; b, bearing platform pouring; c, backfilling the foundation pit; d, arch foot concrete pouring; s2, prefabricating a steel arch box girder; the method specifically comprises the following steps: a, segmenting a steel arch; b, steel plate pretreatment; c, lofting the steel box girder; d, blanking the parts; e, connecting the parts with the plate; f, manufacturing a plate unit; g, U-shaped assembling and welding; h, processing and assembling the decorative plate; s3, mounting a main arch and an auxiliary arch; the method comprises the following steps: a, erecting and pre-assembling a bracket; and b, segmental hoisting of a crane. The construction scheme is designed according to local river channel conditions and traffic conditions, the construction period is guaranteed, and the project quality is improved.
本发明提供了多跨度式非对称桥梁异形钢拱制作及施工方法，包括以下步骤：S1、拱脚施工；具体包括以下步骤，a、基坑处理；b、承台浇筑；c、基坑回填；d、拱脚混凝土浇筑；S2、预制钢拱箱梁；具体包括以下步骤，a、钢拱分段；b、钢板预处理；c、钢箱梁放样；d、零件下料；e、零件接板；f、板单元制作；g、U型组装焊接；h、装饰板加工组装；S3、主副拱安装；a、支架搭设及预拼装；b、吊车分段吊装。本发明针对当地的河道情况、交通情况设计本施工方案，保证工期提高工程质量。
Multi-span asymmetric bridge special-shaped steel arch manufacturing and construction method
The invention provides a manufacturing and construction method of a multi-span asymmetric bridge special-shaped steel arch. The manufacturing and construction method comprises the following steps: S1, arch foot construction; the method specifically comprises the following steps of a, foundation pit treatment; b, bearing platform pouring; c, backfilling the foundation pit; d, arch foot concrete pouring; s2, prefabricating a steel arch box girder; the method specifically comprises the following steps: a, segmenting a steel arch; b, steel plate pretreatment; c, lofting the steel box girder; d, blanking the parts; e, connecting the parts with the plate; f, manufacturing a plate unit; g, U-shaped assembling and welding; h, processing and assembling the decorative plate; s3, mounting a main arch and an auxiliary arch; the method comprises the following steps: a, erecting and pre-assembling a bracket; and b, segmental hoisting of a crane. The construction scheme is designed according to local river channel conditions and traffic conditions, the construction period is guaranteed, and the project quality is improved.
本发明提供了多跨度式非对称桥梁异形钢拱制作及施工方法，包括以下步骤：S1、拱脚施工；具体包括以下步骤，a、基坑处理；b、承台浇筑；c、基坑回填；d、拱脚混凝土浇筑；S2、预制钢拱箱梁；具体包括以下步骤，a、钢拱分段；b、钢板预处理；c、钢箱梁放样；d、零件下料；e、零件接板；f、板单元制作；g、U型组装焊接；h、装饰板加工组装；S3、主副拱安装；a、支架搭设及预拼装；b、吊车分段吊装。本发明针对当地的河道情况、交通情况设计本施工方案，保证工期提高工程质量。
Multi-span asymmetric bridge special-shaped steel arch manufacturing and construction method
多跨度式非对称桥梁异形钢拱制作及施工方法
YAN JINXING (author) / HOU SHIYAN (author) / LI WEIQIANG (author) / ZHU HAILONG (author) / CHEN CHEN (author)
2022-08-30
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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