Can mountain stone processing stone be used for pervious concrete

Pervious concrete is a new type of porous lightweight concrete mixed with coarse aggregate, cement, reinforcing agent and water, because it does not contain fine aggregate, it can also be called sandless concrete, which has the characteristics of air permeability, water permeability and lightweight, which was earlier developed by Europe and the United States, and this kind of paving material allows rainwater to flow into the ground, replenishes groundwater, and alleviates environmental problems such as plummeting of the groundwater level in cities. Can the stone processed by Mountain Stone be used for pervious concrete aggregate?

Pervious concrete on the requirements of the stone is hard texture, uniform particles, durability and compactness, low powder content, and commonly used in the mountain stone is generally granite and basalt, both belong to the high hardness of the rock, the density as well as durability can be up to standard, processed stone naturally can be used for pervious concrete.

Pervious concrete generally has three structural layers, bedding stone is usually selected 13 stone (particle size 16-31.5mm), the grass-roots level stone is usually selected 12 stone (particle size 10-20mm), the surface layer stone is usually selected 51 stone (particle size 5-10mm). In addition, the needle sludge content of the stone is controlled within 15%, and the accumulation void ratio is less than 47%.

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