Underwater sinking pipe construction method
A construction method and technology for construction preparation, applied in water conservancy projects, underwater structures, filling and other directions, can solve problems such as unsuitability and long construction period, and achieve the effects of convenient construction, high construction efficiency, and good market promotion value.
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[0021] The technical solutions of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] An underwater immersed pipe construction method, specifically comprising the following steps:
[0023] 1) Construction preparation and measurement and stakeout: measure and stakeout according to drawings and construction conditions;
[0024] 2) Foundation trench excavation and sand pumping: The foundation trench of the river crossing pipe is excavated with a grab dredger. The underwater dredging construction procedures mainly include positioning and anchoring, dredging, mud barge loading, mud transporting, After unloading the mud, barging...
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