Device for regulating and controlling contact and interaction between pile and earth
A pile-soil and pile body technology is applied in the field of pile foundation construction, which can solve the problems of difficult pile pulling, low efficiency and difficulty of the lower sleeve, and achieve the effects of engineering safety and controllability, reducing negative friction resistance and optimizing work performance.
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[0022] see Figure 1-Figure 4 , this embodiment includes a negative pressure pump 2, a grouting pump 3, a monitoring platform 8 and a pile body 1 pre-buried in a selected area, and a main negative pressure pipeline 4 and a main grouting pipeline 5 are arranged in the pile body 1 , wherein the main negative pressure pipeline 4 is connected to the negative pressure pump 2, and the main grouting pipeline 5 is connected to the grouting pump 3. In addition, the pile body 1 is also provided with a number of spaced distribution supporting negative pressure pipelines 6 and a number of spaced distribution branch grouting pipelines 7, the supporting negative pressure pipelines 6 are connected with the main negative pressure pipeline 4, and the branch injection The grout pipeline 7 is in communication with the main grouting pipeline 5, and the negative pressure pipeline 6 and the grouting pipeline 7 extend to the pile side and the pile end 9 of the pile body 1, and between the negative p...
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