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集料是公路沥青混合料重要的原材料,集料各项技术指标的好坏直接决定了沥青混合料的路用性能。作者基于多年的公路工程试验检测经验,结合国道320线永保桥至龙陵段改建工程八个合同段沥青路面集料的生产实践,思考和总结云南国省干线改建沥青路面集料生产中质量管理的不足之处,提出主要包括料源选定、母岩开采、生产设备、生产场地、生产技术(含材料分档和筛孔设置等)及集料质量管理等各个重要环节的正确做法。
Aggregate is an important raw material for highway asphalt mixture. The technical indicators of aggregates directly determine the road performance of asphalt mixture. Based on many years of experience in highway engineering testing and testing, combined with the production practice of asphalt pavement aggregates in the eight contract sections of National Highway 320 from Yongbao Bridge to Longling Section, the author thinks and summarizes the quality management of asphalt pavement aggregates production The paper puts forward the correct practices including all aspects of material source selection, rock production, production equipment, production site, production technology (including sub-file and screen settings) and aggregate quality management.