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通过对厦门淤泥、淤泥质土、粉质粘土、粉质粘土与粉砂互层土、残积土等五类常规土的共振柱试验,详细地探讨了围压大小、土的性质对这五类常规土的动剪切模量G及阻尼比γ的影响。通过试验和理论分析,给出了厦门五类常规土在不同围压下的G/Gmax和λ/λmax随γ变化的平均曲线及其参数的推荐值,并定量地给出围压对这五类常规土G/Gmax和λ/λmax随γ变化的平均曲线及其参数的影响规律,对实际工程具有一定的借鉴作用。
Through the resonance column test of five kinds of conventional soil, such as silt, silt soil, silty clay, silty clay, silty clay and residual soil in Xiamen, the effects of confining pressure, Effect of Dynamic Shear Modulus G and Damping Ratio γ on Conventional Soil. Based on the experimental and theoretical analysis, the average curves of G / Gmax and λ / λmax of five kinds of conventional soils in Xiamen under different confining pressures and the recommended values of their parameters are given, and the influence of confining pressure on these five The influences of the average curves of G / Gmax and λ / λmax with the variation of γ on the conventional soil and their parameters have some reference to practical engineering.