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Deepwater double-wall steel cofferdam and sinking construction method thereof
The invention provides a deepwater double-wall steel cofferdam and a sinking construction method thereof. The sinking construction method comprises the steps of factory prefabrication and processing of double-wall steel cofferdam blocks, field hoisting and splicing, sinking and implantation of the steel cofferdam, deviation correction and deviation correction of the steel cofferdam, concrete pouring in a wall cavity, bottom sealing concrete pouring and internal cleaning of the steel cofferdam. Precise machining of steel cofferdam components can be achieved, the difficulty during assembly is reduced, the sinking efficiency and control precision of the cofferdam are improved, the method can be suitable for the complex underwater environment, and the stability and bearing capacity of the cofferdam structure under deep water can be guaranteed.
本发明提出了一种深水双壁钢围堰及其沉放施工方法，包括双壁钢围堰块件工厂预制加工、现场吊装与拼接、钢围堰下沉与着床、钢围堰纠偏与纠斜、壁腔内混凝土浇筑与封底混凝土浇筑以及钢围堰内部清理。可以实现钢围堰构件的精确加工，降低拼装时的难度，提高围堰的下沉效率和控制精度，能够适用于复杂水底环境，可以保证深水下围堰结构稳定性和承载能力。
Deepwater double-wall steel cofferdam and sinking construction method thereof
The invention provides a deepwater double-wall steel cofferdam and a sinking construction method thereof. The sinking construction method comprises the steps of factory prefabrication and processing of double-wall steel cofferdam blocks, field hoisting and splicing, sinking and implantation of the steel cofferdam, deviation correction and deviation correction of the steel cofferdam, concrete pouring in a wall cavity, bottom sealing concrete pouring and internal cleaning of the steel cofferdam. Precise machining of steel cofferdam components can be achieved, the difficulty during assembly is reduced, the sinking efficiency and control precision of the cofferdam are improved, the method can be suitable for the complex underwater environment, and the stability and bearing capacity of the cofferdam structure under deep water can be guaranteed.
本发明提出了一种深水双壁钢围堰及其沉放施工方法，包括双壁钢围堰块件工厂预制加工、现场吊装与拼接、钢围堰下沉与着床、钢围堰纠偏与纠斜、壁腔内混凝土浇筑与封底混凝土浇筑以及钢围堰内部清理。可以实现钢围堰构件的精确加工，降低拼装时的难度，提高围堰的下沉效率和控制精度，能够适用于复杂水底环境，可以保证深水下围堰结构稳定性和承载能力。
Deepwater double-wall steel cofferdam and sinking construction method thereof
深水双壁钢围堰及其沉放施工方法
WANG XINQUAN (author) / WANG CHENGQUAN (author) / LI DONGDONG (author) / HUO QIQIAN (author)
2024-11-08
Patent
Electronic Resource
Chinese
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