
Environmental Impacts of Sand and Gravel Operations in New What materials are used for road construction Quora
Aggregate and stone mining produces materials that are used in road construction aggregate base course crushed rock sand and gravel building construction and landscaping topsoil fill dirt rip rap scoria travertine dimension stone and other general construction usIt contains stone aggregates of size 40mm 20mm 10mm stone dust etc mixed well in standard proportion It consists of clean crushed graded aggregates premixed with other granular materials and water and rolled to a dense mass on a prepared surface The thickness is generally kept 250mm
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