The recycling and recycling of cold recycling machine asphalt pavement can be roughly divided into plant hot recycling, plant cold recycling, on-site hot recycling, on-site cold recycling and full thickness on-site cold recycling.
Full thickness on-site cold recycling refers to the continuous completion of milling, crushing, adding new materials, mixing, paving and compaction of old and new materials on the old pavement by one unit, so as to form the integrated recycling construction technology of new base. Generally, the depth of regeneration treatment is 15-30cm, and the depth can reach 30-50cm.
As all the old paving materials are used, the excavation, transportation, waste disposal of paving materials and the purchase cost of some new materials during highway maintenance are reduced, and the rental cost of cold recycling machine is greatly reduced. Generally, the cost can be reduced by 20% - 40%. The deeper the thickness is, the more the cost will be reduced. Main materials: cement, water, a small amount of new aggregate, lime (early strength agent), etc. Using cement as binder is convenient, cheap and quick to recover strength, and similar to semi-rigid base, the technology is mature.
The above is the cold recycling machine on the asphalt pavement construction essentials, there are more problems at any time to carry out business, cold recycling machine rental company http://www.sddhfjx.com Discuss cooperation!