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根据某项改建工程的要求，采用了双排砼灌注桩与既有基础加箍后用于工程支护的方法，从而来保证既有建筑物基础不发生变形和基坑开挖时边坡的稳定．桩和既有独立基础联合使用，在该项工程中得到了完全实施，并取得了明显效果
According to the requirements of a certain reconstruction project, a double-row cast-in-place pile and the existing foundation are used for the method of project support, so as to ensure that the foundation of the existing building does not deform and the slope during excavation stable. Piles are used in conjunction with existing independent foundations. They have been fully implemented in this project and have achieved significant results.