Anti-rutting drainage asphalt mixture and preparation method thereof

Abstract

The invention discloses an anti-rutting drainage asphalt mixture and a preparation method thereof. The anti-rutting drainage asphalt mixture is prepared from the following raw material components: epoxy asphalt, mineral fiber, styrene, butadiene, an initiator, a polymeric monomer, carboxyl silicone oil, n-hexylamine, dithiothreitol, a carbonate solution and calcium lactate. The porosity of the prepared asphalt mixture is not affected, meanwhile, the mechanical property and the rutting resistance are obviously improved compared with those of common asphalt, the nano calcium carbonate and the aggregate serving as reinforcing components are also fixed in the asphalt mixture, and the reinforcing components are not prone to flying off in rainy and windy weather; and the network skeleton structure formed by the styrene-butadiene polymerization monomer copolymer in the asphalt mixture is stable, the copolymer reserves the characteristics of heat insulation, heat preservation, shock resistanceand flame retardance of polystyrene, and the prepared asphalt pavement has good mechanical properties, is not easy to crack under the action of vehicle load, and has very high practicability.

Description

technical field [0001] The invention relates to the technical field of asphalt, in particular to a rutting-resistant drainage asphalt mixture and a preparation method thereof. Background technique [0002] With the rapid development of the economy and the improvement of people's living standards, people have put forward higher and higher requirements for the road performance of the road. The traffic management department of our country also gradually regards providing the whole society with roads with high safety, high comfort and high environmental protection as its constant pursuit goal. Among many road asphalt materials, the safety performance of drainage asphalt is more prominent. Compared with ordinary asphalt, drainage asphalt has higher porosity. When driving in rainy days, there will be no water accumulation on the road surface. The structure can also absorb noise and reduce urban noise pollution; drainage asphalt can also effectively suppress water mist, prevent wa...

AI Technical Summary

Problems solved by technology

[0003] The porosity of drainage asphalt is generally about 20%. Although the higher porosity can improve road safety and reduce urban noise pollution to a certain extent, its larger pores also bring road pollution to our traffic department. Performance and Road Oxidation Issues

In windy weather, the stones in the drainage asphalt pavement are easy to fly out, resulting in the decline of the mechanical properties of the drainage asphalt pavement; the drainage asphalt is very prone to cracks, ruts, potholes and other diseases under the action of driving load, which affects the driving comfort and performance of the asphalt pavement. safety

At the same time, soil, sand and other substances blown by strong winds can easily block the pores of the drainage asphalt pavement, reducing its drainage efficiency, and making the post-cleaning and maintenance costs of the drainage asphalt pavement higher

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