Abstract
In the foundation of massive area examination and the indoor laboratory static mechanics triaxial tests, choosed the appropriate soil body elastoplasticity modeling according to the serviceability and the usability, and established the macroscopic numerical model of the soft soil of Yingkou coastal zone, summarized the influence of different burying depth, the level thick to the location project nature, seeked the rule of region soft soil subsidence. It was validated the established earth statics model by the axial symmetry question's radial direction draining concretion test and undraining concretion test and choosed reasonable subsidence computational method compare with conventional av1-2, e-lgp and so on standard method and definited the subsidence empirical coefficient Ψs of this area for estimate subsidence. Based on contrast of three kind of model computation and the triaxial test, we have obtained the region soft soil practical modellings, the Yingkou coastal zone usesd nonlinear elastic (Duncan and Chang )model to be more appropriately.
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