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由铁道第一勘测设计院主持、并与兰州铁道学院和呼和浩特铁路局共同完成的铁道部结合工程建设应用项目 --粉煤灰填筑铁路路堤的试验研究 ,在兰州通过科技成果鉴定。这标志着我国首次把粉煤灰用作填筑铁路路堤获得成功。它具有显著的经济、生态和社会效益。这是紧密结合包兰线路
The First Railway Survey and Design Institute presided over the railway, and Lanzhou Railway College and Hohhot Railway Bureau jointly completed the Ministry of Railways with the construction project - fly ash filling railway embankment pilot study in Lanzhou through scientific and technological achievements appraisal. This marks the first time for our country to use fly ash to fill the railway embankment to be successful. It has significant economic, ecological and social benefits. This is in close connection with the package blue line