RESEARCH ON SAND SEISMIC LIQUEFACTION BASED ON INFORMATION DIFFUSION MODEL
Seismic liquefaction of saturated sandy soil can cause serious damage to buildings,roads and hydraulic facilities.Therefore,the reasonable discrimination and evaluation of seismic liquefaction of saturated sandy soil is particularly important.Aiming at the prob-lems of limited drilling sample data and difficulty in distinguishing liquefaction levels in practical engineering.Firstly,the seismic mag-nitude,ground acceleration,standard penetration number,soil clay content,and effective stress are selected to construct a sand lique-faction discrimination and evaluation system.Secondly,the information diffusion model is used to discretize the discriminant indicators into multiple points,and the corresponding information is spread to each discrete point,furthermore,a fuzzy information diffusion ma-trix for determining the seismic liquefaction level of sandy soil is structured in this paper.Finally,a reasonable evaluation was conduc-ted based on engineering examples,which can provide reference for sand liquefaction prevention engineering.
万方数据
维普
