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通过对福建漳州地区淤泥、粉质粘土、粉质粘土与粉砂互层土、残积土等4类典型土的共振柱试验,探讨了围压大小、土的性质对这4类典型土的动剪切模量G及阻尼比γ的影响,给出了在不同围压下的G/Gmax和λ/λmax随γ变化的平均曲线及其参数的推荐值,并定量的给出围压对参数的影响规律。结果对实际工程具有一定的借鉴作用。
Through the resonant column test on four typical soils, silt, silty clay, silty clay and silt interbedded soil and residual soil in Zhangzhou, Fujian Province, the effects of confining pressure and soil properties on the movement of these four types of typical soils Shear modulus G and damping ratio γ, the average curves of G / Gmax and λ / λmax with γ under different confining pressures are given and the recommended values of the parameters are given. The influence of confining pressure on the parameters The law of influence. The results of the actual project has a certain reference.