subgrade bed 中文意思是什麼
subgrade bed
解釋
路基基床-
And also about the objective conditions for developing is given to the well consolidation technology with sand - packs in soft foundation treatment area and the consolidation technology with cement - mixed piles in transitional section of road and bridge areas, and the detailed introduction is also given about workmanship for filling works in subgrade body, for filling works in transitional sections of the subgrade, and for construction of base bed of the subgrade. in each part caution items in the construction and the relevant technical issues are summarized
然後著重介紹了秦沈客運專線一般軟土地段地基處理袋裝砂井加固技術、路橋過渡段水泥攪拌樁加固技術，並對路基本體填築施工工藝、路基過渡段填築施工工藝，路基基床施工工藝也進行了詳細的介紹，在每一部分中對施工注意事項及有關技術問題進行了總結歸納。 -
High - speed track proposes higher demands for subgrade and bed. the application of ballastless slab track is the main tendency for assuring the high stability and smooth of the track
高速軌道對路基和道床提出了很高的要求，為保證軌道的強穩定性和高平順性，採用板式無碴軌道的結構形式已成為一種趨勢。
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