复合地基褥垫层作用分析

Analysis on the effect of composite foundation cushion

从桩土协调工作、荷载分配、基础底面的应力缓解三方面论述了复合地基褥垫层的作用,说明了复合地基设计中设置褥垫层的重要性。

The generation of cushion technique is introduced. From three aspects： coordination between pile and earth, load distribution and stress release of base the actions of composite foundation cushion are discussed. In the end the importance of setting cushion in composite foundation design is emphasized.