2 Terminology, definitions, symbols
and units
2. 术语、定义、符号及单位                                   
 2.1 Terminology
2.1 术语
 For the purposes of this British Standard thefollowing terminology applies.
本英国标准中使用下列术语
2.1.1 soil. An assemblage of discrete particles in the form of a deposit, usually of mineral composition but sometimes of organic origin, which can be separated by gentle mechanical means and which includes variable amounts of water and air (and sometimes other gases). A soil commonly consists of a naturally occurring deposit forming part of the earth’s crust, but the term is also applied to made ground consisting of replaced natural soil or man-made materials exhibiting similar behaviour, e.g. crushed rock, crushed blast-furnace slag, fly-ash.
2.1.1 岩土（Soil）以沉淀物形式存在的离散颗粒聚合物，通常由矿物质组成，但有时含有机成因。岩土能用轻机械方式分开颗粒并含有不同量的水分和空气 （有时也有其它气体）。
岩土通常由部分组成地球地壳的自然形成沉积物组成，但本术语岩土也用来指替代自然土或有相似特征的有人为物质，如碎石、 碎炉渣、扬灰。
2.1.2 cohesive soil. Soil which because of its fine-grained content will form a coherent mass at suitable moisture contents.
2.1.2粘性土（cohesive soil）在合适含水量条件下粘性土会因为其颗粒较细而形成黏块。
2.1.3 cohesionless soil. Granular soil consisting of particles which can be identified individually by the
naked eye or with the aid of a hand lens, e.g. gravel, sand.

2.1.3 非粘性土（cohesionless Soil）非黏土是粗粒土，可以用肉眼或借助手持放大镜分辨其颗粒，如碎石、沙土。

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