常温增粘沥青冷补混合料的特点与路用性能分析

Analysis on Structural Features and Road Performance of Room Temperature Thickening Cold Patch Asphalt Mixture

从冷补沥青混合料材料组成角度出发,阐述冷补沥青混合料在强度形成机理和结构空隙要求方面的异同,并对LB-13冷补混合料的路用性能进行了测试分析。结果表明,改进LB-13级配的冷补混合料的各项路用性能指标均能满足常规热沥青混合料的规范要求,适用于传统热沥青路面的修补。

From the composition of cold patch asphalt material,the similarities and differences on strength mechanism and structural voids of cold patch asphalt mixture are elaborated,and the road performance of LB-13 cold patch mixture is tested.The test results show that,the road performance indicators of improved LB-13 graded cold mixture can meet regulatory requirements of conventional hot asphalt mixture,which is suitable for traditional hot asphalt pavement repair.