Using traditional construction technology for highway maintenance not only increases the cost of waste transportation, but also causes environmental pollution due to improper treatment. The recycling technology of waste asphalt pavement materials can not only avoid the land occupation and environmental pollution caused by the stacking of waste materials, but also reduce the demand for stone, asphalt and cement, and reduce the cost of road construction and maintenance. As a mature green highway maintenance and reconstruction technology, in situ cold recycling has many advantages, such as simplifying construction technology, saving materials, shortening construction period and reducing cost, and has been widely used in domestic road maintenance and reconstruction. At present, there are many brands of on-site cold recycling machine (hereinafter referred to as cold recycling machine) in the domestic market, including famous foreign brands wittgens, BMW, caterpillar and Terex, as well as domestic brands Xugong road construction, Shandong Degong, Anshan Senyuan, etc. So how about the use of these brands of cold recycling machine? What are their advantages and disadvantages? Can it fully adapt to the current construction technology? How should equipment manufacturers improve and upgrade them to meet the market demand? We invite several experts to discuss this.
How to classify asphalt pavement recycling technology? What brands of cold in place regenerators are available in the domestic market? What is the market distribution of each brand? What is the reputation of products and services?
The cold recycling technology of asphalt pavement is a complete set of technology that the old asphalt pavement is broken at room temperature, mixed with new aggregate and new binder in a certain proportion to form a new mixture, and then re paved on the pavement. Cold recycling technology can be divided into plant mixed cold recycling and in-situ cold recycling. In situ cold recycling is a construction technology of crushing old pavement, adding new binder, mixing and paving by large-scale on-site recycling equipment.
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