Study on the Seismic Trap Characteristics of Structural Soft Clay Soils Under Dynamic Loading
The seismic properties of the soft clay under the dynamic loading are closely related to its structural properties,and the study of the seismic properties of the structural soft clay is of great significance for the prevention of seismic hazards in soft soil areas.Since it is difficult to obtain the soft clay with the same material composition but different structural properties in na-ture,four artificial structural soft clay samples with the same moisture content and similar material composition but different structural strength are prepared in this paper through comparison tests.The results show that for soft clay soils of the same structural strength,the larger the amplitude of the cyclic dynamic load and the smaller the enclosing pressure,the larger the seismic subsidence;the resistance of structural soft clay soils to cyclic dynamic loads shows a non-linear relationship with the structural strength of the soil.In addition,an analytical model is constructed to estimate the seismic subsidence of soft clay soils considering the influence of the structural strength.The results can provide scientific basis for the relevant engineering projects.
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