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Rail grippers 11 of a track lifting device 10 are mounted on the vertically adjustable frame 7. A reference bric 17 and cords 23, 24 are used for alignment purposes for details of which the Specification should be referred to. Compactors 29 and rammers 30 are also provided as shown. In ...
Rail grippers 11 of a track lifting device 10 are mounted on the vertically adjustable frame 7. A reference bric 17 and cords 23, 24 are used for alignment purposes for details of which the Specification should be referred to. Compactors 29 and rammers 30 are also provided as shown. In ...
BS 1745铁路信号用交流继电器规范.拨轨继电器(双元件、二位)、线路继电器(单元件、二位)Specification for alternating-current relays for railway signalling: track relays (double-element, 2-position), line relays (single-element, 2-position) BS 2589铁路轨道扳手规范Specification for railway track spanners ...
DIN 20500地下采矿铁路.轨距和轨道.标准类型和选择Underground mine railways; track gauges and rails; standard types and selection DIN 20501矿山铁路.S30 钢轨.FI30 对接搭板Pit railways; rails S 30, butt strap Fl 30 DIN 20549矿井下铁路用轨距.定义与公差Track gauges for pit railways; definition and ...
Ballast is a key component of railway track substructure which provides better resiliency, rapid drainage, efficient load transfer to subgrade while maintaining the longitudinal and vertical track alignment. Depending on the traffic characteristics, design speed and availability of natural aggregates, differ...
steel EN 13450-2002 铁路路基集料Aggregates for railway ballast EN 13452-1-2003 铁路设备制动器质量转移制动系统第1部分:性能要求Railway applications - Braking; Mass transit brake system - Part 1: Performance requirements EN 13452-2-2003 铁路设备制动器质量转移制动系统第2部分:试验方法Railway applications...
Engineering properties of track constituents Track componentDensity (kg/m3)Modulus of elasticity (Pa)Poisson’s ratio Rail 7,830 2×10112×1011 0.3 Ballast 1,590 9.7×1079.7×107 0.12 Sub-ballast 1,910 2.12×1082.12×108 0.2 Subgrade 2,300 2×1082×108 0.25 OCS 2,511 2.933×10102.933×1010...
EN 13450铁路路基集料Aggregates for railway ballast EN 13452-1铁路设备 制动器 质量转移制动系统 第1部分:性能要求Railway applications - Braking; Mass transit brake system - Part 1: Performance requirements EN 13452-2铁路设备 制动器 质量转移制动系统 第2部分:试验方法Railway applications - Braking; Mass...
NF F58-010 铁路建造和保养设备.道碴稳定器.规范 (RAIWAY TRACK CONSTRUCTION AND MAINTENANCE PLANT. BALLAST REGULATOR. SPECIFICATIONS.) NF F58-051 道路工程设备.铁路车辆上的个人升降机.安全的一般规则 (RAILWAY TRACK CONSTRUCTION AND MAINTENANCE PLANT. PERSONNEL CARRYING HOISTS ON RAILWAY VEHICLES. GENERA...