The whole line adopts the Hedu Expressway with medium and large anti-segregation and high uniformity paving, which has won the gold medal of the national high-quality project.

The total length of Hedu expressway in Guangxi is 96.km，The whole line adopts the key achievements of medium and large anti-segregation and high uniformity paving.：
1、The whole line of asphalt pavement adopts medium and large anti-segregation.、High uniformity、“One word slope、No longitudinal seam”Zhongda Innovative Equipment and Construction Method for Dynamic Change of Paving Width。
2、Medium and large anti-segregation shall be adopted for water stabilized base course.、High uniformity、Large thickness、Zhongda's innovative equipment and construction method for large-width one-step integral forming and paving。

The result，It subverts the traditional construction technology.，Rewrite the dependence on imported Pavers and machines、History of Layered Paving。To achieve high quality、Durable long-life pavement，A solution is provided。

Through the classic application and practical verification of Hedu Expressway，For the follow-up Guangxi Nanning Outer Ring、North-South Expressway、Guisan Expressway、Chongjing Expressway……Full line promotion，Laid a solid foundation。

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