is to replace stationary stone-crushing plants with mobile crushers. In recent years, mobile crushers have been increasingly BR480RG, is equipped with an entirely new impact-type crusher that can crush concrete debris into aggregates of desired pieces which a
road making. Fine aggregates are used for the production of concrete and plastering. The processes involved in stone crushing include pre-processing, crushing, washing, screening and recycling of wastewater. • Pre-processing consists of
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27 Oct 2009 The ancient crushers were stones held by hands. The stone weight enhanced the human energy being used. These crushers reduce the concrete size into pieces that can be easily managed or recycled, and also split the
Various sizes of gravel, such as limestone, and sand are used in road and building construction as the substrate layer. Concrete is used in the construction of both roads and buildings and is a mixture containing: Rock, sand or gravel.
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Investigations on the use of stone crusher dust in concrete as an alternative to river sand are presented in this paper. e.g. fly-ash, slag limestone and siliceous stone powder were used in concrete as a partial replacement of natural sand  .