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对灰砂桩复合地基和掺入水泥的灰砂桩复合地基分别作了现场荷载试验和室内模型试验 .根据试验结果分析灰砂桩复合地基工作性状、破坏模式及加固效果 .提出了灰砂桩复合地基计算方法 ,掺入水泥的灰砂桩能较好地改善灰砂桩复合地基工作性状 .灰砂桩复合地基增强地基的抗震性能
The on-site load test and indoor model test were carried out respectively on the composite foundation of lime-sand pile composite foundation and lime-sand pile composite foundation with the incorporation of cement, the working characters, failure mode and reinforcement effect of the composite foundation of lime-sand pile were analyzed according to the test results. Composite foundation calculation method, cement mortar with lime sand pile can better improve the performance of composite foundation with lime-sand pile. Composite foundation with lime-sand pile enhances the seismic performance of foundation