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1、附 录The Development of the Conservation of Asphalt PavementAsphalt pavement in the use of the process, constantly subject to the role of repeated traffic loads, climate impact and asphalt pavement materials, physical and chemical changes, over time, will have a pit, crack, swarming spore, subsidence,
2、 while eating, Ma surface , peeling and loose a variety of damage, if not repaired, the damage will be expanded rapidly and affect the normal passage of vehicles, and may lead to a greater degree of damage. Asphalt Pavement Maintenance vehicle is dedicated to timely repair the damage part of the spe
3、cial vehicles. Shown as an ordinary car Asphalt Pavement Maintenance.1 Classification and function According to the nature of road paving materials, road vehicles can be divided into a comprehensive conservation Asphalt Pavement Maintenance trucks and cement trucks Pavement Maintenance two categorie
4、s, this book introduces the Asphalt Pavement Maintenance Truck. Asphalt Pavement Maintenance vehicles is divided into trailers by the way traffic and two types of self-propelled.Towed Asphalt Pavement Maintenance vehicles are a variety of equipment and devices will be installed on the trailer chassi
5、s, the general use of self-powered engine output range of devices and equipment, from a car or tractor to the construction of sections of the conservation work carried out.Self-Asphalt Pavement Maintenance vehicles are a variety of equipment and devices will be installed on the vehicle chassis or ex
6、clusive as the self-end, removed from the chassis host two types of motivation and self-engines. At present, the production of integrated conservation of the asphalt is the most self-propelled vehicles of.Based on the technical level of the road, the quality and quantity of the different selection o
7、f different types of Asphalt Pavement Maintenance vehicles. High-grade highway mileage in the asphalt pavement of more than 300km for the use of large-scale conservation of self-propelled vehicles; medium-sized self-propelled vehicle for the conservation of 200-300km of high-grade asphalt pavement m
8、inor repairs, maintenance; 200km below the asphalt pavement for the use of high-grade self-small conservation of vehicles. Daily Maintenance of Asphalt Pavement in general for the use of small self-propelled or towed vehicle conservation.Asphalt Pavement Maintenance for road vehicles in addition to
9、day-to-day tasks of conservation, but also other facilities can be used for highway maintenance, traffic engineering facilities, such as spraying and cleaning, snow removal, cleaning the road surface, cut away weeds, spraying, planting and trimming trees.2 multi-purpose road vehicles at home and abr
10、oad overview of conservation and development trends2.1 Overview abroadAsphalt Pavement Maintenance Machinery abroad have been a hundred years the history of high-grade highway for minor repairs of the asphalt pavement of the integrated conservation of mechanical operations have 60-a 70-year history.
11、 Them according to the functions and operations can be divided into the following.(1)With infrared heating function Pavement Maintenance car models for the United States on behalf of Thermal Power Corporation (Thermal PowerCo.) King of the road. Its most prominent feature of the old material can be
12、recycled in situ, thereby bring about considerable savings in asphalt mixture, in favor of environmental protection and conservation of energy. At the same time, as a result of mixture with the original road is a natural joints combination of old and new roads close, you can extend the life of the n
13、ew road. The model applicable to shallow holes, cracks, cracks and other damage to the handling of the asphalt pavement. The vehicle is equipped with hot-mix boxes, asphalt tanks and sprinkler systems, and infrared propane gas heater, compaction tools, waste tanks.(2)Mixture with hot boxes and broke
14、n pavement compaction tool Pavement Maintenance car model is the United States on behalf of Akzo Nobel company TP4-based integrated conservation vehicles. The more the number of vehicles in foreign countries, usually with the following equipment: 7t heat insulation material boxes, spiral out of feed
15、er, asphalt spraying device, and vibration-ho ram broken. The models applied to patch small pit operation.(3)Jet car repair on behalf of the conservation model is the official music of the high road repair company cars, the largest high-pressure injection is characterized by the adoption of the ways
16、 in which a different charge of the emulsified asphalt and aggregate to be mixed and sprayed into the pits to deal with in to achieve the purpose of maintenance and repair of the road the car can be opened to traffic immediately. The model applies to a smaller stream of pits of repair work.(4)Comprehensive conservation repair work on behalf of car models produced LeeBoy the United States 1200-S-type of asphalt pavement repair vehicle integrated. It has a m
