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中文摘要：
以Q3原状黄土为研究对象探讨了震陷系数与各种物理性指标的内在联系,采用多因素回归分析建立了震陷系数与含水量（W）、干密度（γd）、孔隙面积（A）、粘性含量（Pc）、初始动弹性模量（E0）的分析模型,构建了一个综合因子Y1代表上述5指标。结果显示震陷系数与物理指标间具有良好的相关性,其中天然含水量对震陷系数的总影响最大,干窖重次之。说明了原状黄土震陷性参数描述的合理性和基于物性指标参数关系的合理性。
英文摘要：
Taking the undisturbed Malan loess（Q3）as samples,the internal relationships among seismic subsidence coefficient and various physical properties of loess are discussed,and analysis model among seismic subsidence coefficient and water content（W）,dry density（γd）,pore area（A）,viscous content（Pc）and initial dynamic elastic modulus（E0）is built by using the multi-factor regression analysis.In the model a comprehencive factor Y1 is obtained to represent above 5 properties.The results show that there is a good relativity between seismic subsidence coefficient and various physical properties,the natural moisture content has maximum impact for seismic subsidence coefficient and the dry density takes second place.It explains the rationality for describing in the seismic subsidence coefficient of undisturbed loess and the relationship based on the physical property index parameters.
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