碎石桩复合地基加固效果的瑞利波法评价研究

The study of Rayleigh wave method to evaluate the reinforcing effect of the gravel pile composite foundation

对瑞利波测试技术在碎石桩复合地基加固效果评价方面的应用进行了研究,结合大量工程资料,给出了碎石桩复合地基液化的工程判别方法,并建立了利用瑞利波法评价碎石桩体质量、承载力、变形模量的工程检验方法。结合现场静载和动测的试验数据对比分析,瑞利波评价法可靠、快捷,能快速有效地检验碎石桩复合地基加固效果,有较好的工程应用前景。

The research of Rayleigh wave testing technology application in the gravel pile composite foundation reinforcement effect evaluation was carried out ,combined with the large number of engineering data, the gravel pile composite foundation liquefaction project identification method was given, and the engineering testing method to evaluate the quality of gravel pile, bearing capacity, deformation modulus by Rayleigh wave was established. Comparison with field testing data,evaluation method of Rayleigh wave reliable and fast, can quickly and efficiendy test reinforcing effect of gravel pile composite foundation with good engineering prosoect.