Crushing Equipment and Powder Grinding Machinery
Mining Crushing Plant Projects Solution

Coarse Aggregate Crushing Equipment manufactured by SBM

Aggregate Jaw Crusher Aggregate Cone Crusher
For coarse aggregate crushing and the fine aggregate crushing, we recommend to you to choose SBM JAW CRUSHER. Jaw crusher is the most popular aggregate crushing equipment. Its structure is simple but working efficiency is high. Also it's easier to change the wear part or the common check and maintenance.
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Aggregate Grinding Equipment

Aggregate Grinding Equipment Aggregate Grinding Equipment
For further aggregate grinding, we recommend to you to choose MTW European Trapezium Grinding Mill. It's improved on MTM Trapezium Grinding Mill. Both the grinding mills are advanced than traditional ball mill. You can choose these grinding mills as aggregate grinding equipment.
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Coarse Aggregate and Fine Aggregate Introduction

Aggregate refers to those loose granular material filled in the concrete with the role of skeleton. This is usually called concrete aggregate whose diameter is generally more than 0.16mm. According to the apparent density, aggregate is usually divided into three kinds that are general aggregate, lightweight aggregate and weight aggregate (such as barite). Also, aggregate can be divided into fine aggregate and coarse aggregate by aggregate size.
Coarse aggregate includes pebbles, gravel, crushed gravel, blast furnace slag, broken bricks, the second aggregate (concrete crushing objects), and various natural rocks (such as andesite, quartzite) or artificial calcined materials (such as brick blocks, refractory clay clinker) with special features, etc..
Fine aggregate refers to the gravel or crushed stone material whose stone size is less than 5MM used for preparing the concrete. Fine aggregate is also divided into coarse sand, medium sand, fine sand and finer sand, whose fineness modulus is of 3.7 ~ 3.1, 3.0 ~ 2.3, 2.2 ~ 1. 6 and 1.5 ~ 0.7. According to production sources and materials, fine aggregate can be divided into ordinary river sand, mountain sand, sea sand, artificial crushed sand (stone chips), and waste sand.
Concrete fine aggregates generally uses clean river sand, suitable for the medium and coarse sand. Coarse aggregate should appropriately use gravel, crushed stone or crushed gravel based on local resources and material supplying conditions, combined with engineering and technical requirements. The maximum size of coarse aggregate should be decided according to the structure, steel spacing and construction methods, equipment and other selected conditions.
Alkaline activity test should be taken on the aggregate used in concrete in the conditions of water, soil, open or damp. Construction site should adopt local aggregate; Metallurgical Construction should pay attention to use the metallurgical slag, to shorten the distance and reduce shipping costs, develop resources and waste treatment harm profits.
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