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Cold asphalt mixture

Posted: Wed Mar 08, 2017 1:15 am
by quangongzi
Cold asphalt storage, "cold asphalt" at room temperature barrel sealed storage, can be stored for more than two years, the barrel should be stored in a cool place or ventilated warehouse, can not be placed in the sun, to prevent the thermal expansion of the barrel Rupture, and away from flammable materials and high oxidation of the material. To be used, you can use the heat pipe slowly heated, not open fire.
Cold storage additives. "Cold fill additives" at room temperature barrel sealed storage, can be stored for more than two years, the barrel should be stored in a cool place or ventilated warehouse, can not be placed in the sun, to prevent heat metamorphism, and Keep away from flammable materials and high oxidation materials.Road Sealing Machine - Road Machinery Equipment Manufacturers - Doan Machinery
The influencing factors of the strength of the cold asphalt mixture can be divided into internal factors (ie, material factors) and external factors (ie, external environmental factors). Internal factors are: the type and amount of thinner, the amount of cold asphalt, stone type, grading, external factors are: repair time, temperature, humidity, vehicle load and so on.
According to the strength mechanism, the strength of the cold asphalt mixture depends mainly on the two parameters: the bond force value c and the internal friction angle φ. For the internal friction angle φ, the pavement repair is fully compacted, the mixture skeleton has been relatively stable, the road surface friction angle φ basically no change, then the friction angle φ on the cold asphalt mixture strength contribution Small, the intensity of its growth depends mainly on the increase in bond strength c.
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