Recently, the complete set of compaction equipment for impact roller produced by the 20th Bureau Group Engineering Machinery Plant was applied to the subgrade construction of the test section of Chongqing Wushao High-speed Railway for the first time, and achieved remarkable results.
After the roadbed is compacted by the vibratory roller to the designed compactness standard, the impact roller is used for reinforcement and compaction. The settlement of the roadbed reaches 8 cm, the settlement is obvious, and the uniformity and overall strength of the subgrade are significantly improved.
After the roadbed is compacted by the vibratory roller to the designed compactness standard, the impact roller is used for reinforcement and compaction. The settlement of the roadbed reaches 8 cm, the settlement is obvious, and the uniformity and overall strength of the subgrade are significantly improved.
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