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Precautions for installation of water stop Cofferdam for Larsen steel sheet pile

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When the sealing of Larson steel sheet pile cofferdam about perfectness, otherwise there may be a leak, usually in order to ensure the joints between the steel sheet pile is sealed, on the steel sheet pile when they use cotton and butter filling seam filling, but this effect is not ideal.


What should we pay attention to when using the Larsen steel sheet pile to install the water stop cofferdam?


First, one side of the water side along the steel plate pile is dry and thin, under the action of water pressure fine sand will be inhaled seams to achieve the purpose of plugging.


Second, each pumping water 1m deep stop for a period of time, is the internal support use of water pressure, found leakage timely treatment;


Third, strictly control the quality of the weld, in strict accordance with the design requirements of the installation of internal support.

  


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