Dear, the surface of stone chips is rougher and angular than sand, and it contains more stone powder with a particle size less than 0. 16 mm, which is smaller than stone chips. Therefore, stone chips cannot be backfilled with stone powder when backfilling the trench.
Dear, there are both big particles and powder particles in the stone chips. This graded mixture has high strength and good cohesiveness with cement. Cement chips mixed with 5% cement chips have high strength after molding because of their good gradation. If cement stone powder is used instead, the adhesion between cement and stone will be reduced due to the simple gradation, thus reducing its overall strength.
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Which is more expensive, stone chips or stone powder?
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The difference between white stone powder and talcum powder
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The main component of talc is magnesium silicate containing water in talc, and its molecular formula is mg3 [] (oh) 2. Talc belongs to monoclinic system. Occasionally, the crystals are pseudohexagonal or rhombic. It is usually in the form of dense blocks, leaves, radiations and fibrous aggregate. Colorless, transparent or white, but it is light green, light yellow, light brown or even light red because it contains a small amount of impurities; Cleavage surface is pearl luster. Hardness 1, specific gravity 2.7 ~ 2.8.
2022-03- 12
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Which is more expensive, river sand or stone powder?
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Hello, river sand 200, stone powder 120.
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