Stone broken can be used as sand

Stone, we are all familiar with, in the large rock body in the event of external forces and fall off the small rock body, generally into a block or oval, and many areas are currently located in the development stage, the demand for sand and gravel aggregate, in the past, we all use river sand as a raw material, but with the decreasing natural resources, in order to protect the ecological balance, strictly prohibit the use of river sand, I heard that the stone can be used as sand when it is broken up, is it true?

Stones can be used as sand when broken. Stone after breaking and sand making process after the sand, also known as mechanism sand, the finished particle size of 0.25-0.5mm or so, divided into coarse sand, medium sand, fine sand, the finished product is of high quality and controllable, while the particle size is good, less impurities, no cracks, fine lines, and fineness modulus, particle grading, sand density requirements, etc., in line with the standard of construction sand, so it is possible to be used as sand in bridges, highways, high-speed railways, housing construction and other engineering fields of application.

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