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Steel shell diaphragm wall combined cofferdam construction method for shallow covering layer deep hard bed rock
The invention discloses a steel shell diaphragm wall combined cofferdam construction method for shallow covering layer deep hard bed rock, and relates to the field of bridge cofferdam construction, which comprises the following steps: S1, inserting and driving a main pier steel casing to construct a main pier pile foundation; s2, a cofferdam inner support is installed on the main pier steel casing, and the cofferdam inner support is used as a guide to sink and guide the steel shell to the position below a riverbed line; and S3, the diaphragm wall is constructed in the guide steel shell in a framing mode, and construction of the whole cofferdam is completed. The problem that the waterproof and soil retaining effect is poor due to deformation of the steel sheet piles is solved, the waterproof and soil retaining effect of the cofferdam is improved, the construction difficulty is effectively reduced, the steel sheet consumption is reduced, and the construction cost is effectively controlled.
本申请公开了用于浅覆盖层深厚硬基岩的钢壳地连墙组合围堰施工方法，涉及桥梁围堰施工领域，其包括以下步骤：S1、插打主墩钢护筒施工主墩桩基；S2、在主墩钢护筒上安装围堰内支撑，并利用围堰内支撑作导向下沉导向钢壳至河床线以下；S3、于导向钢壳内分幅施工地连墙，完成整个围堰施工。本申请解决了钢板桩形变造成防水挡土效果差的问题，提升了围堰的防水挡土效果，且有效降低了施工难度，减少了钢板用量，使施工成本得到有效控制。
Steel shell diaphragm wall combined cofferdam construction method for shallow covering layer deep hard bed rock
The invention discloses a steel shell diaphragm wall combined cofferdam construction method for shallow covering layer deep hard bed rock, and relates to the field of bridge cofferdam construction, which comprises the following steps: S1, inserting and driving a main pier steel casing to construct a main pier pile foundation; s2, a cofferdam inner support is installed on the main pier steel casing, and the cofferdam inner support is used as a guide to sink and guide the steel shell to the position below a riverbed line; and S3, the diaphragm wall is constructed in the guide steel shell in a framing mode, and construction of the whole cofferdam is completed. The problem that the waterproof and soil retaining effect is poor due to deformation of the steel sheet piles is solved, the waterproof and soil retaining effect of the cofferdam is improved, the construction difficulty is effectively reduced, the steel sheet consumption is reduced, and the construction cost is effectively controlled.
本申请公开了用于浅覆盖层深厚硬基岩的钢壳地连墙组合围堰施工方法，涉及桥梁围堰施工领域，其包括以下步骤：S1、插打主墩钢护筒施工主墩桩基；S2、在主墩钢护筒上安装围堰内支撑，并利用围堰内支撑作导向下沉导向钢壳至河床线以下；S3、于导向钢壳内分幅施工地连墙，完成整个围堰施工。本申请解决了钢板桩形变造成防水挡土效果差的问题，提升了围堰的防水挡土效果，且有效降低了施工难度，减少了钢板用量，使施工成本得到有效控制。
Steel shell diaphragm wall combined cofferdam construction method for shallow covering layer deep hard bed rock
用于浅覆盖层深厚硬基岩的钢壳地连墙组合围堰施工方法
ZHENG ZHEN (author) / WANG JIE (author) / CHEN YANG (author) / LIAO YUNZHAO (author) / RONG MIN (author) / DENG XIAOFENG (author) / XIAO RUI (author) / CHEN YONGGUANG (author)
2023-03-07
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
| European Patent Office | 2023
| European Patent Office | 2023
| European Patent Office | 2023
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| European Patent Office | 2021