The geotechnic centrifugal simulation techniques have been applied in the experimental research on the reinforcing effect and mechanism of soft soil base by using drain plate consolidation combined with vibra-compaction. The corresponding tests have been done to verify the effect of drain plate consolidation and vibra-compaction methods, which show that the use of vertical drain plate consolidation can improve the bearing capacity of natural soft base by 13 kPa while the vibra-compaction can improve the bearing capacity by 12 kPa under synchronous compressed consolidation condition. The experimental research results lay a scientific foundation for the first application of drain plate consolidation combined with vibra-compaction in silty soft base treatment as well as the promotion of the method.%本文采用土工离心模拟技术,试验研究排水板固结和振动碾压联合处理软土地基的作用机理及加固效果,分项试验论证排水板固结处理和振动碾压的处理的效果,在同期压缩固结条件下,竖向排水板固结处理天然软基可提高承载力设计值13 kPa,碾压吹填砂层可提高承载力设计值12 kPa.本项试验研究成果为吹填软基排水板固结和振动碾压联合处理吹填淤泥软基的首次工程应用和进一步推广提供了科学依据.
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