granular bedding [road]

The railway ballast layer can be regarded as a highly porous medium,which has good ventilation characteristics.

铁路碎石道碴层能被看作高渗透率的多孔介质,由于其具有较好的通风特性,它的存在改变了寒区铁路路基的顶部热交换条件,对路基温度场产生不可忽视的影响。

Experimental Study of the Ventilation Drag Parameters in a Railway Ballast Layer

铁路碎石道碴层通风阻力参数试验研究

Coarse gravel or crushed rock laid to form a bed for roads or railroads.

道碴用来铺公路或铁路路基的粗砂砾或碎石

The Research of Railway Ballast Produce System of Lulong Quarry;

卢龙采石场铁路道碴生产系统优化研究

Study on Column-Net Structure Embankments of Ballastless Track in High Speed Railway;

高速铁路无碴轨道桩网结构路基研究

The Research of Lowest Radius to High-Speed Railways with Ballastless Tracks;

无碴轨道高速铁路最小曲线半径研究

Research on Dynamic Characteristics of Subgrade Transition Zone for Ballastless Tracks on High Speed Railway;

高速铁路无碴轨道过渡段路基的动力特性研究

Study on Dynamic Characteristics of Ballastless Track-Roadbed System with Soft Rock as Embankment Filling in High Speed Railway;

高速铁路无碴轨道—软岩路基系统动力特性研究

The Ballastless Track Construction Technology within the High-speed Railway Tunnel

高速铁路隧道内无碴轨道铺设施工工艺

Construction of graded crushed stone construction of the surface layer of subgrade bed of Jiaoji passenger dedicated railway

胶济铁路客运专线基床表层级配碎石施工

Research and Application on CA Mortar in Ballastless Slab Track of High Speed Railway;

高速铁路板式无碴轨道CA砂浆的研究与应用

Characteristics and distinction of track ballast wouds on head which caused under the influence of moving train

铁路行车影响下形成头部道碴创的特点与鉴别

On construction experience of passenger special line Rheda ballastless track in railway from Wuhan to Guangzhou

武广铁路客运专线Rheda无碴轨道的施工经验

The Utilization of Iron Tailings and Broken Brick in Subgrade

铁尾矿与碎砖在道路基层中的综合利用

A foundation of crushed rock or a similar substance for a road or railroad;a roadbed.

路基碎石或类似物质做的道路或铁路的基础；路基

Ground Temperature Characteristic Analysis on Rubble Slope Embankment and Gravel Pavement Embankment of Qinghai-Tibet Railway Permafrost Region;

青藏铁路多年冻土区碎石护坡与片石护道路基地温特性分析

Quality Control of Cement-treated Crushed Stone Base Course in Road Construction

浅谈道路工程水泥稳定碎石基层的质量控制

A Study of Material Performance of Asphalt Treated Permeable Base in Cold Area;

寒区道路排水性沥青稳定碎石基层性能的研究

Recycled Use of Cement Stabilized Macadam Structural Materials of Road Base;

道路基层水泥稳定碎石结构材料的再生利用