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Sand And Stone Requirements For Expressway

Last Update:2020-05-01 22:47:50

The requirements for sand and stone of Expressway mainly include the requirements for sand and stone granularity, mud content, sand hardness, water content, etc. There are more and more machine-made sands used in expressway, mainly because machine-made sands have the following advantages. The machine-made sand can follow the large-scale project to take local materials and produce on site, so as to reduce the project cost. In the production process of machine-made sand, the raw materials are selected by human, which can reduce the mud content and water content more effectively, thus saving a lot of fuel oil in asphalt concrete construction, reducing the cost of materials and protecting the environment.

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