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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 (Autor:in) / HOU SHIYAN (Autor:in) / LI WEIQIANG (Autor:in) / ZHU HAILONG (Autor:in) / CHEN CHEN (Autor:in)
30.08.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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