Primary blasting excavation molding method for seaborne socketed pile foundation
A forming method and technology of rock-socketed piles, which are applied in blasting, infrastructure engineering, construction and other directions, can solve the problems of affecting mechanical expansion, short effective construction period, high construction difficulty, etc., so as to improve blasting and excavation efficiency and effect. Avoid delays and inconveniences and improve excavation efficiency
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[0029] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following will further explain how the present invention is implemented in conjunction with the accompanying drawings and specific implementation methods.
[0030] A large-diameter offshore rock-socketed pile foundation pit excavation project, the foundation pit diameter is 8m, the depth is 20m, the covering layer is thin, and the bedrock is mainly medium and strong weathered rocks; The cost is low, which brings great difficulties to the construction. Due to the requirements of the large-diameter turning machine on the use environment and the problem of difficulty in deployment, a blasting excavation method for offshore rock-socketed pile foundation pits is adopted according to the present invention. Specifically, pre-splitting blasting is adopted. dig method.
[0031] The concrete excavation steps of the sea rock-socketed pile foundation ...
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