What are the uses of mountain sand
With the great development of infrastructure construction, sand, as an important structural material in the construction industry, is hard to find, and all parties try to get sand by all means. Mountain sand is sand obtained from the mountain mining, more abundant resources, in the infrastructure project can play a great value, bring better income. So what are the uses of mountain sand?
What is the use of mountain sand?
Mountain sand is a crushed material formed after years of weathering, after cleaning and removing impurities, it is widely used in construction, roads, water conservancy and hydropower and many other industries. Mountain sand of different sizes, according to the particle size can be divided into coarse sand, medium sand and fine sand, different sizes of mountain sand specific uses are not the same:
1. Coarse sand: the content of gravel in the sand is not more than 25%, and the content of sand with a particle size larger than 0.5mm is more than 50%, which is mainly used in reinforced concrete structures;
2. Medium sand: the average grain size of medium sand is 0.5-0.35mm, the fineness modulus is between 3.0-2.3, composed of minerals and tiny rock fragments. Commonly used in internal and external walls, ceilings and other floor construction, can also be used for beams, columns, slabs, foundations of the concrete, ordinary concrete with medium sand is appropriate;
3. Fine sand: the average particle size of fine sand is generally below 0.35mm, the fineness modulus is between 2.2-1.6, of which particles larger than 0.075mm exceed 85% of the full weight. Commonly used in masonry mortar for masonry, can also be used as filler.
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