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本文介绍了振冲碎石桩法加固土岩组合地基上的一次工程实践。建筑场地地表平坦，其下伏基岩面单向坡度达１７％～２９％。计算分析表明，拟建建筑物下的天然场地土属于地震不稳定场地。选用振冲碎石柱法进行地基处理，通过合理地选用碎石桩布置、施工方案及建筑结构措施，不仅满足了建筑物对地基承载力和变形的要求，而且成功地解决了地基土的地震抗滑稳定性问题，实现了复杂地质条件下的地基处理。
This paper introduces a project practice of using vibro replacement stone column method to reinforce soil-rock composite foundation. The surface of the construction site is flat, and the unilateral slope of the underlying bedrock surface reaches 17% -29%. The calculation and analysis show that the natural earth under the proposed building belongs to the unstable earthquakes. The method of vibrating stone column method is used for foundation treatment. By reasonably selecting the arrangement of stone columns, construction schemes and building structure measures, not only the requirements of the building on the bearing capacity and deformation of the foundation are satisfied, but also the earthquakes Anti-skid stability problems, to achieve the foundation under complex geological conditions.