ballast bed

常見例句

Road bed is the subgrade on which are laid the ballast, ties and rails.
路基就是上面鋪著道渣，枕軌和鋼軌的底基。
In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
因此本文針對(duì)城市軌道交通的特點(diǎn)，著重對(duì)高架橋上整體道床的鋼軌支承間距進(jìn)行研究，計(jì)算分析了不同軌枕間距對(duì)軌道結(jié)構(gòu)力學(xué)特性的影響。
In this paper, the some types of ballast bed and ballastless bed of under-rail foundation for the urban elevated rail transit are described, and their applicable scopes are also explored.
本文介紹了城市高架軌道交通軌下基礎(chǔ)中的有碴道床和無(wú)道碴床等幾種型式，并對(duì)其適用范圍進(jìn)行了探討。