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高速铁路路基基床底层填筑质量对整个路基影响极大,合理利用料场已有料源,对基床以下的回填料做经济合理的改良,以满足基床底层填料要求。
The quality of bottom filling of high-speed railway subgrade bed has a great impact on the entire subgrade. The reasonable utilization of material sources in the yard has been done to economically and reasonably improve the backfill material below the bed so as to meet the requirements of the bottom bedding filler.