The role and the mechanism of cushion are introduced, besides, the design and the construction of cushion are discussed in the paper.
2
褥垫层对桩土应力的调节作用，复合地基的应力随褥垫层的模量和褥垫层的厚度变化规律。
The adjustment function of cushion from its thickness and modulus on the stress of pile and soil was studied.
3
文中通过有限元分析和工程实例，证明了褥垫层对协调桩土变形的重要作用，并提出褥垫层的设计参数。
It proves that the underlayer to compound foundation is of importance by finite element analysis and engineering examples, and the parameters for design has been...
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