In the application of airport highways, modified bitumen solves multiple specific problems, mainly in terms of improved pavement performance, durability and safety.

First, modified bitumen significantly improves the pavement's ability to resist deformation by increasing the viscosity and elasticity of bitumen. Traditional bitumen is prone to softening under high temperature conditions, resulting in deformation such as rutting on the pavement, while modified bitumen (such as SBS modified bitumen and rubber bitumen) can effectively resist this high temperature softening and maintain the flatness and stability of the pavement. This is particularly important for airport highways, because the traffic load on the highway is large, and pavement deformation will directly affect driving safety and comfort.

Secondly, modified bitumen also performs well in crack resistance. The pavement of the airport highway needs to withstand frequent heavy vehicle traffic. Traditional bitumen is prone to cracks under low temperature conditions, while the elastic properties of modified bitumen enable it to better adapt to temperature changes and reduce the occurrence of cracks. This not only extends the service life of the pavement, but also reduces the subsequent maintenance costs.

In addition, the drainage performance of modified bitumen has also been improved. TPS modified bitumen is an additive designed for drainage bitumen pavement. It can effectively improve the drainage capacity of the pavement and reduce the formation of water film, thereby reducing the risk of hydroplaning when driving on rainy days. This is crucial to the safety of the airport highway and can effectively prevent traffic accidents caused by slippery roads.

Finally, the use of modified bitumen also meets environmental protection requirements. The application of rubber bitumen not only reduces material costs, but also realizes the recycling of waste tires, reduces environmental pollution, and complies with the policy of energy conservation and emission reduction. This environmental protection feature is increasingly valued in the construction of modern transportation infrastructure.

In summary, the application of modified bitumen in airport highways significantly improves the durability and safety of the pavement by improving the pavement's anti-deformation ability, crack resistance and drainage performance, providing a guarantee for the long-term use of the highway.

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