粗粒土是指大于0.1毫米颗粒含量较多的土，大致相当于砂类。 砾石土、砂卵石、残坡积碎石土和风化岩石碴等统称为粗颗粒土，简称粗粒土。它是由大小不等的粗细颗粒组成，最大颗粒可达1000毫米以上，最细可小于0.1毫米，粒径变化范围很大，粗细颗粒特性相差悬殊。土石坝中粗粒土料常占70%以上，有的直接取自工程开挖的弃料，废物得到充分利用。
... fine-grained soil(silty as well as clayey)细粒土 coarse- grained soil(graudio-videoelly as well as sas well asy)粗粒土 Unified soil clthen againtific system对于engineering岩土工程土的同一分类体例 ..
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The coarse-grained soils have the some good engineering properties and have been applied widely in the engineering construction.
粗粒土具有良好的工程特性，广泛应用于当前的工程建设中，而且应用范围日益扩大。
参考来源 - 粗粒土工程特性的试验研究Coarse granular soil is made of soil granules of different size which fill each other.
粗粒土是由粒径大小不等的颗粒彼此充填而呈粒状结构的散粒体，颗粒间常为点接触。
参考来源 - 考虑颗粒破碎的粗粒土本构模型Granular soils,because of its good engineering characteristics, are applied extensively in the railroad foundation,the side slope,the artificial island etc.
粗粒土因其优良的工程特性,在铁路路基、边坡护岸、人工筑岛等工程中应用广泛。
参考来源 - 粗粒土本构关系的神经网络模型研究It is proved that different of initial microfabric elements of coarse aggregate affect its mechanical property.
这个结果亦证明了粗粒土不同的初始组构要素对粗粒土力学特性具有决定性的影响。
参考来源 - 粗粒土组构试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
由于咬合力的存在，使粗粒土的强度大幅度提高。
进行了系统的粗粒土与结构接触面静动力学试验以研究其本构规律。
Systematic tests were conducted to investigate constitutive rule of the interface between structure and coarse grained soil.
粗粒土是土石坝的主要筑坝材料，也是土力学的主要研究对象之一。
Granular material is the main material of embankment DAMS and is one of the major study objectives of soil mechanics.
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