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在宝成新建二线一次性铺设区间“冻结”准无缝线路地段,采用核子密度仪对施工前后的路基基床和道床密实度进行了测试,并与既有线进行了对比,判定基床和道床满足有关技术要求。
In Baocheng new second-line one-time laying interval “frozen” quasi-seamless line lots, the use of nuclear densitometer before and after construction of subgrade bed and roadbed compactness was tested and compared with the existing line, to determine the bed and Road bed to meet the technical requirements.