Novel deep-water combined steel sheet pile cofferdam construction method
A technology combining steel sheet piles and construction methods, applied to sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as slow progress, high power consumption for continuous pumping, and high verticality requirements for casings
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as Figure 1~5 , the cofferdam structure of this embodiment includes a steel casing 1, steel sheet piles 2, purlins 3, and an internal support structure. The steel sheet piles 2 of this embodiment rely on the guide structure on the purlin 3 for insertion and driving. The guide structure is as in Patent No. The guide device described in the patent "201521102607.7" inserts and drives the steel sheet pile 2 through the guide structure on the purlin 3 to achieve accurate and rapid installation.
[0027] The surrounding purlin 3 of this embodiment can be installed as a whole, or it can be disassembled and installed for the convenience of hoisting, and the surrounding purlin 3 can be hoisted directly on the supporting corbel 4 on the outer end surface of the circumference of the part of the steel casing 1 exposed to the water su...
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