Research On Repairing Materials Of The Asphalt Pavement Pit

Cold Patch Asphalt Mixture and high-performance interface bonding materials, which is not restricted by climate and with use with repair, has been widely used as inboard pit mending material in the recent few years.Epoxy modified asphalt, coal tar epoxy adhesive modified asphalt interface and a new type of economic efficiency.The asphalt modifier has been studied in the article at first, carried out to identify the main use of modified asphalt modifier varieties and specifications. In determining the make up of cold additives with the main varieties of modifier and the specifications, adopted by a large number of cold-up tests to determine the composition of the additives other varieties, specifications and usage, determine the cold asphalt additives make up the formula with refrigeration fill with asphalt mixture Cold fill asphalt additives. Select a variety of domestic representative of the Cold Patch Asphalt Mixturemeeting, prepared to adapt to different weather conditions, the use of different mineral aggregate gradation of the various specifications of Cold Patch Asphalt Mixtureup and fill the Cold Patch Asphalt Mixtureinitial strength, Water resistance, osteoporosis and compaction, storage stability, road surface after the forming of the Marshall stability, dynamic stability, low temperature of crack and other technical performance has been studied, analyzed the cold fill material strength and the formation mechanism of influencing factors , A road test program, according to the same time a large number of laboratory test data made up of cold bituminous mixture of performance evaluation.In addition, through comparison with SBS modified asphalt-based, economical repair cracks in asphalt pavement materials and asphalt pavement pit interface adhesive formulations of the best; compared with epoxy modified asphalt, coal tar epoxy modified asphalt as the asphalt Pit road to deal with a new interface and efficient interface bonding material optimal formula, as well as the technical performance study to determine the epoxy modified asphalt, coal tar epoxy modified asphalt as the asphalt pavement pit to deal with a new interface And efficient interface bonding material.According to thinner and additive's choice, we developed a new-style Cold Patch Asphalt Mixture. Through corresponding pavement performance experiments and observing testing pavement, indicate that the subject developed new-type Cold Patch Asphalt Mixture which is an excellent pavement mending material.