Design and Static Load Test of Improved Pile Tip Soil
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摘要: 介绍了人工挖孔桩桩端土承载力不足进行旋喷桩处理的设计过程以及处理后检测过程中遇到的问题。桩端土处理设计可以遵循一般的地基处理设计方法和原则，并针对复合地基承载力检测和桩端土极限端阻力的检测中存在的差异和共同点，提出组合静载荷试验的思路和方法，并在工程中予以实施，并取得了较好的效果。Abstract: The design of composite subgrade treated with jet grouting is introduced and some beating capacity testing problems of pile tip soil treated with jet grouting is presented. There are common grounds and diversities of bearing capacity tests of comtposite subgrade and pile tip treated soil. A combination static load test method is put forward. The practice proves the effectiveness of the method in engineering project.
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