钙质土是指土层中（心土层或底土层）含有钙积层或剖面各层皆含碳酸钙的土壤。
... calcium sodium salt of NTA 氮川三乙酸钙钠盐 calcium soil 钙质土 calcium subgroup 含钙水亚组 ...
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综述了国内外对钙质土静、动力学性质研究的现状与进展，得到有关结论并提出今后应加强研究的方向。
The present condition and development in studying static and cyclic properties ofcalcareous soils are explained based on Chinese and foreign data.
然后考虑钙质土的颗粒破碎与滑移两种变形机制的耦合作用，并分别采用损伤模型和边界面模型予以描述。
Further the coupling interaction of failure and slide is studied for calcareous sand. The interaction is described by damage model and bounding surface model, respectively.
针对低应力水平下钙质砂的颗粒破碎现象具有特殊性，分析了围压对钙质土颗粒破碎的影响，揭示其变形过程的力学机制；
Granule failure of calcareous sand is very special at low stress level. The effect of confining pressure on granule farlure is analyzed and its deformation mechanism discussed.
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