Calculation and Analysis on Emission Reduction Effect of Full-depth Foam Asphalt Cold-recycling Technology
In order to quantitatively evaluate the energy conservation and carbon dropping effects of full-depth foam asphalt cold-recycling technology,the construction process and advantages of this technology are analyzed.Its possible emission reduction links in different stages of material production,transportation and on-site construction are clarified.Based on the LCA method,a calculation model of carbon emissions for the maintenance of full-depth foam asphalt cold-recycling asphalt pavement is established.Combined with the maintenance project case of Tianjin Avenue,the carbon emissions during the maintenance and construction process of this technology are quantified,and compared with the milling repaving technology in depth.The results show that compared with the milling repaving technology,the emission reduction rate of this technology is about 11.62 kg/m2,and the emission reduction rate can be up to 64.12％.The emission reduction effect is good,and it has good promotion value.
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