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介绍了贵州位于浅埋基岩上某工程的岩基承载力取值,对比了强风化岩的岩基载荷试验和深层平板载荷试验,表明风化岩的变形性状和承载能力与基础形式有关。对于深基础,岩体埋置越深,变形模量越高,承载力也越高。工程实践中应利用桩基础和天然地基承载力性状的区别,合理设计以提高地基承载力。
This paper introduces the bearing capacity of rock foundation in a project located on a shallow bedrock in Guizhou Province, and compares the rock-fill load and deep plate load test of the strongly weathered rock. It shows that the deformation characteristics and bearing capacity of the weathered rock are related to the basic form. For the deep foundation, the deeper the rock mass is buried, the higher the modulus of deformation and the higher the bearing capacity. Engineering practice should make use of the difference between the bearing capacity of pile foundations and natural foundations, and reasonably design to improve the bearing capacity of foundations.