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Question:

Building sand, stone quality is good or bad how to distinguish? River pebble sand out of the stone to meet the standard?

Building sand, stone quality is good or bad how to distinguish? River pebble sand out of the stone to meet the standard?

Answer:

In the 1960s, there was a special occupation, that is, specifically for the bridge and other stone workers With the development of science and technology and the needs of the market, professional stone production line has been very mature, such as the common counter-hammer crusher stone production line, production capacity, into the material effect is good, has become the most widely shipped stone stone production line With the production of mechanical words, from the raw materials (direct blasting to get the irregular stones) through the transport to the stone factory, the first break and then fine break, after the shaker sorted into different sizes of stone, and then transported to the market, The whole production process is completed The quality of the stone is generally difficult to very strict division, only about the distinction For example, with the appearance to roughly determine the quality of the stone method Mainly to see the appearance of the fineness of the stone, the light is better, no light quality is not good As well as the proportion of broken pieces in the stone (some will be carried out manual cleaning), broken more quality is not good Judgment of the quality of the stone is the most simple experimental method on the scene with a hammer hit The higher the hardness, the better the quality, whereas the quality is low
The original stone is the use of pebbles and other natural stone, the number of small and the quality is also a big difference, another way is to break the mountain and other blasting, or artificial broken with a hammer, the cost is relatively expensive
Building stone stone is the building materials market, one of the important supplies, stone is good or bad building quality assurance is one of the important factors

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