Classification of soils Author : http://www.civil.usyd.edu.au

WHAT IS THIS DOCUMENT ABOUT? : Soil mechanics is concerned with particulate materials (soils) found in the ground that are not cemented and not greatly compressed. These soils usually have a sedimentary origin, however, they can also occur as the result of rock weathering without any transport of the particles. The soil particles can have varying sizes, shapes and mineralogies, although these properties are usually interrelated. For instance the larger sized particles are generally composed of quartz and feldspars, minerals that have high strengths and the particles are fairly round. The smaller sized particles are generally composed of the clay minerals kaolin, illite and montmorillonite, minerals that have low strengths and form plate like particles

Keywords	:	civil soil and classification solid soil mechanic
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