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Grouted Pile and Its Bearing Capacity
Authors:Yu Zhiqiang  Wang Xu  Wu Xingxu
Abstract:The grouting method applied in bored pile is an improvement to the conventional bored pile. Load tests have proved that grouting under the bored pile tip is an effective method to enhance the bearing capacity of the pile and to reduce the pile settlement. In this paper, the grouting technology is described and pile-load test results are discussed. In order to put the grouting method into design practice, the authors analyze the working mechanism of soil compaction. And, based on the theory of cavities expansion in soil mass, approximate formulae are proposed for estimating the bearing capacity of the grouted pile. The theoretical prediction agrees well with the load test results.
Keywords:grouting method  bored pile  grouted pile  bearing capacity  cavities expansion
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