There are always many problems with cold regeneration. Today, I'd like to introduce to you what is cold recycled material forming?
The properties of cold recycled materials are not the same as those of traditional road materials, so the forming requirements are not completely the same. Cold recycled materials can be roughly divided into two categories: inorganic recycling agent and asphalt recycling agent. When asphalt is recycled, a small amount of cement is often added to improve its water damage resistance. The common inorganic regenerant is cement, and the others are lime fly ash and cement fly ash.
Inorganic stable cold regeneration is generally formed and cured according to traditional semi-rigid materials. Heavy compaction test or vibration compaction test shall be carried out at room temperature, and the curing time shall be 7 days at 20 ° C or 25 ° C. The water content is determined by the relationship between water content and strength. The situation of cold regeneration of asphalt stabilizer is complex, and there is no unified method. The common method of cold recycling material composition design is to determine the best liquid content by compaction method, and determine the asphalt content by one or more of Marshall stability, dry splitting strength and wet splitting strength.
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