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Technology and Application of Asphalt Pavement

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6:38 pm
September 27, 2016


quangongzi

Member

posts 13

Asphalt pavement is one of the main structural forms of high-grade highway in China. As a new technology of asphalt pavement, double paving technology is popularized in construction, which can shorten the construction time and improve the working efficiency. In this paper, the basic principles, key technical characteristics and application of asphalt pavement pavement are analyzed, respectively. The purpose of this paper is to provide technical guidance for application of double paving technology in asphalt pavement construction, and to provide theoretical reference for promoting modern highway development.
The Basic Principle of Asphalt Pavement
The traditional asphalt paver is a dump truck through the dumping of the mixture in the hopper, through the scraper feeder, screw feeder and screed device to different types of asphalt mixture layered, sub-paving . In the case of double-deck asphalt mixers, it is first necessary to equip with high-efficiency tracked asphalt mixers (also known as mobile feeders); and, at the same time, dumps with different types of mixes The trucks are unloaded to the transfer vehicle, transported to the two hoppers of the double-deck paver through the transfer vehicles, and then the two sets of screw dividers and two sets of screeds are arranged in the front and rear. Two different mixes Asphalt mixture layer asphalt mixture or asphalt mixture asphalt mixture layer asphalt layer wear layer) paved a layer, the final road compaction machinery compaction of a two-tier road. The advantages of this paving technology are obvious, especially for municipal road construction, the reasons are as follows:
 Compared with the traditional paving method, double paving can ensure the thermal bonding between the layers, the cooling rate of the abrasive layer is slowed down, and the fluidity and lubrication of the asphalt can be better utilized.
The total heat capacity of the mixture, make up the wear layer (or decorative color cement wear layer) thin, fast cooling defects, won more time to fully compact, to achieve the best compact effect.
It can shorten the traffic closure time caused by construction and reduce the impact of road construction on municipal traffic.

Asphalt pavement is one of the main structural forms of high-grade highway in China. As a new technology of asphalt pavement, double paving technology is popularized in construction, which can shorten the construction time and improve the working efficiency. In this paper, the basic principles, key technical characteristics and application of asphalt pavement pavement are analyzed, respectively. The purpose of this paper is to provide technical guidance for application of double paving technology in asphalt pavement construction, and to provide theoretical reference for promoting modern highway development.The Basic Principle of Asphalt PavementThe traditional asphalt paver is a dump truck through the dumping of the mixture in the hopper, through the scraper feeder, screw feeder and screed device to different types of asphalt mixture layered, sub-paving . In the case of double-deck asphalt mixers, it is first necessary to equip with high-efficiency tracked asphalt mixers (also known as mobile feeders); and, at the same time, dumps with different types of mixes The trucks are unloaded to the transfer vehicle, transported to the two hoppers of the double-deck paver through the transfer vehicles, and then the two sets of screw dividers and two sets of screeds are arranged in the front and rear. Two different mixes Asphalt mixture layer asphalt mixture or asphalt mixture asphalt mixture layer asphalt layer wear layer) paved a layer, the final road compaction machinery compaction of a two-tier road. The advantages of this paving technology are obvious, especially for municipal road construction, the reasons are as follows: Compared with the traditional paving method, double paving can ensure the thermal bonding between the layers, the cooling rate of the abrasive layer is slowed down, and the fluidity and lubrication of the asphalt can be better utilized.The total heat capacity of the mixture, make up the wear layer (or decorative color cement wear layer) thin, fast cooling defects, won more time to fully compact, to achieve the best compact effect.It can shorten the traffic closure time caused by construction and reduce the impact of road construction on municipal traffic.Blow And Go Crack SealingHorizontal Milling Machine OperationsPractical Thermal Heat GunLiquid Concrete Crack Filler Best Brand

11:31 pm
September 27, 2016


fifaeasyco123

Member

posts 3

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