Aggregate and its application
Time 2011-01-21 Author Website Manager Browse
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Tel：0086-371-55611696
Tel：0086-371-55611696
Aggregate is a kind of mixture of crushed stone, sand and gravel, which used to road, high way, building, structures and anything g made from concrete require aggregate.
The aggregate can be classified in the following according its uses:
Coarse aggregate：
1. In asphalt mixture used, the coarse aggregate is more that 2.36mm crushed stone, crushed gravel, screened gravel and slag in diameter.
2. In cement concrete used, the coarse aggregate is more that 4.75mm crushed stone, gravel and crushed gravel in diameter.
1. In asphalt mixture used, the coarse aggregate is more that 2.36mm crushed stone, crushed gravel, screened gravel and slag in diameter.
2. In cement concrete used, the coarse aggregate is more that 4.75mm crushed stone, gravel and crushed gravel in diameter.
Fine aggregate：
1. In asphalt mixture used, the fine aggregate is more that 2.36mm natural sand, manufactured sand(machine mechanical sand) and stone chip in diameter.
2. In cement concrete used, the fine aggregate is more that 4.75mm natural sand, manufactured sand in diameter.
Natural sand：
It is formed by natural weathering, water scouring and less than 4.75mm in diameter.
Manufactured sand：
It is processed to fit standard fine aggregate requirement. Manufactured sand, slag sand, calcined sand all fall into this category.
Crushed sand：
Crushed stone and gravel is processed by sand making machine repeatedly, and get manufactured sand in 2.36mm diameter, named crushed sand.
Crushed stone dust：
It is left at quarry stone crushing site that can pass through minimum screen mesh(it is usually 2.36mm or 4.75mm),which is called screenings.
1. In asphalt mixture used, the fine aggregate is more that 2.36mm natural sand, manufactured sand(machine mechanical sand) and stone chip in diameter.
2. In cement concrete used, the fine aggregate is more that 4.75mm natural sand, manufactured sand in diameter.
Natural sand：
It is formed by natural weathering, water scouring and less than 4.75mm in diameter.
Manufactured sand：
It is processed to fit standard fine aggregate requirement. Manufactured sand, slag sand, calcined sand all fall into this category.
Crushed sand：
Crushed stone and gravel is processed by sand making machine repeatedly, and get manufactured sand in 2.36mm diameter, named crushed sand.
Crushed stone dust：
It is left at quarry stone crushing site that can pass through minimum screen mesh(it is usually 2.36mm or 4.75mm),which is called screenings.
The size range of partical(grain):
Boulder: more that 10 inches(254mm)in diameter
Cobble: from 2.5 to 10 inches(64 to 254 mm) in diameter
Pebble: from 16 to 2.5 inches(4 to 64mm) in diameter
Granule: from 0.8 to 0.16 inches (2-4mm) in diameter
Grain: from 0.4 to 0.8 inches(1-20mm) in diameter
Crushers and screens play an important role in the aggregate producing. Gongyi Songling Mining Machinery Co., Ltd produces a complete range crushers and screens such as mobile crushing machine, stationary crushing machine and screening machine to satisfy the customers’ different request in various industries. And we also provide the professional industry information to help you find more business opportunities.
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