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A platform for research: civil engineering, architecture and urbanism
Large-size pump station open caisson construction method
The invention discloses a large-size pump station open caisson construction method, and relates to the technical field of open caisson construction. The large-size pump station open caisson construction method mainly comprises the following construction steps of positioning and paying off, well point dewatering, blade foot earthwork digging, sand cushion layer replacing and filling, cushion layer construction, blade foot manufacturing, steel bar binding and water stop steel plate adding, formwork erecting, concrete pouring, well wall steel bar binding, reserved opening fixing, joint water stop steel plate welding, the formwork erecting, well wall concrete pouring, the well wall steel bar binding, the joint water stop steel plate welding, the formwork erecting, the well wall concrete pouring, curing, formwork removing, open caisson interior earth cutting, open caisson sinking, bottom concrete pouring, bottom plate reinforcing steel bars binding, bottom plate pouring, curing, slope adjusting layer and pump base pouring, maintenance platform construction, and top plate construction According to the large-size pump station open caisson construction method, through improvement of a construction structure and a construction technology on a blade foot structure, the foundation construction difficulty of a large-size pump station can be effectively reduced.
本发明公开了一种大体积泵站沉井施工方法，涉及沉井施工技术领域。该大体积泵站沉井施工方法主要包括如下施工步骤：定位放线→井点降水→挖刃脚土方→换填砂垫层→垫层施工→制作刃脚→绑扎钢筋、加止水钢板→立模→浇筑混凝土→绑扎井壁钢筋→固定预留口→接头处止水钢板焊接→立模→浇筑井壁混凝土→绑扎井壁钢筋→接头处止水钢板焊接→立模→浇筑井壁混凝土→养生→模板拆除→沉井内挖土→沉井下沉→浇封底混凝土→绑扎底板钢筋→底板浇筑→养生→调坡层浇筑、泵基座浇筑→检修平台施工→顶板施工。该大体积泵站沉井施工方法通过刃脚结构上施工结构以及施工工艺的改进，可以有效降低大体积泵站基础建设难度。
Large-size pump station open caisson construction method
The invention discloses a large-size pump station open caisson construction method, and relates to the technical field of open caisson construction. The large-size pump station open caisson construction method mainly comprises the following construction steps of positioning and paying off, well point dewatering, blade foot earthwork digging, sand cushion layer replacing and filling, cushion layer construction, blade foot manufacturing, steel bar binding and water stop steel plate adding, formwork erecting, concrete pouring, well wall steel bar binding, reserved opening fixing, joint water stop steel plate welding, the formwork erecting, well wall concrete pouring, the well wall steel bar binding, the joint water stop steel plate welding, the formwork erecting, the well wall concrete pouring, curing, formwork removing, open caisson interior earth cutting, open caisson sinking, bottom concrete pouring, bottom plate reinforcing steel bars binding, bottom plate pouring, curing, slope adjusting layer and pump base pouring, maintenance platform construction, and top plate construction According to the large-size pump station open caisson construction method, through improvement of a construction structure and a construction technology on a blade foot structure, the foundation construction difficulty of a large-size pump station can be effectively reduced.
本发明公开了一种大体积泵站沉井施工方法，涉及沉井施工技术领域。该大体积泵站沉井施工方法主要包括如下施工步骤：定位放线→井点降水→挖刃脚土方→换填砂垫层→垫层施工→制作刃脚→绑扎钢筋、加止水钢板→立模→浇筑混凝土→绑扎井壁钢筋→固定预留口→接头处止水钢板焊接→立模→浇筑井壁混凝土→绑扎井壁钢筋→接头处止水钢板焊接→立模→浇筑井壁混凝土→养生→模板拆除→沉井内挖土→沉井下沉→浇封底混凝土→绑扎底板钢筋→底板浇筑→养生→调坡层浇筑、泵基座浇筑→检修平台施工→顶板施工。该大体积泵站沉井施工方法通过刃脚结构上施工结构以及施工工艺的改进，可以有效降低大体积泵站基础建设难度。
Large-size pump station open caisson construction method
一种大体积泵站沉井施工方法
ZHANG XIANYANG (author) / GUO HAO (author) / JIN LINGLING (author) / JIN HUA (author)
2021-11-26
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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