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厦门花岗岩风化残积土分布广泛,厚度达10—50米,对其工程地质性质一直缺乏系统、全面的研究,地基承载力也是将其简单地归为某一类土,查规范、手册求得,所得结果常常不够准确。作者在经过几年的工作,进行了详细的野外勘察、野外及室内试验,收集了大量第一手资料的基础上,对整个残积土层的组构特征、物理力学性质作了总体、系统地阐述。根据静载荷、微载荷及旁压实验,探讨了残积土承载力的规律性以及与标贯击数的关系。
The weathered residual soil of Xiamen Granite is widely distributed and its thickness is 10-50 meters. There is no systematic and comprehensive research on its engineering geological properties, and the bearing capacity of the foundation is also simply classified as a certain type of soil. The results are often not accurate enough. After several years of work, the author carried out detailed field surveys, field and laboratory tests, and collected a large amount of first-hand data to make an overall and systematic assessment of the structure characteristics and physico-mechanical properties of the entire residual soil layer. Explained. According to the static load, micro-load and pressure test, the regularity of the bearing capacity of residual soil and its relationship with the number of standard shots were discussed.