查询词典 rail track

Track dynamics ; Rail pad ; Quasi high speed railway ; Vibration reduction

轨道动力学；轨下垫板；准高速铁路；减振

The national rail system is modernizing and expanding rapidly and is efficient within the limits of the available track.

全国铁路系统的现代化和迅速扩大，并有效的范围内现有的轨道上。

Aiming at the light track traffic project in Tianjin crossing over the Tianjin-Tanggu Highway , because of the lower space, the difficult crossing condition, and overcoming the long steel rail force caused by no attemperator on the seamless railway, the project adopts a 4-span prestressed concrete continuous rigid-frame bridge with span arrangement (42+62+62+42)m.

针对天津轻轨交通项目跨越津塘公路工点低净空、跨越条件困难，以及为克服桥上不能设置无缝线路温度伸缩调节器所带来的长钢轨作用力问题，研究采用了42m＋62m＋62m＋42m四跨预应力混凝土连续刚构桥。

Firstly, based on the principle of jointless track circuit and the transmission of four-terminal network, parameter models of rail line and cable was established, and their frequency characteristics were analyzed.

首先，本文在简要介绍无绝缘轨道电路工作原理和四端网传输原理的基础上，建立钢轨线路和传输电缆的参数模型，并分析其频率特性。

With STTIN, Basic properties of wheel/rail noise of embankment ballasted track are investigated.

与有碴轨道相比，板式轨道噪声显著增大，其中钢轨近旁噪声高出6.2dBA左右，铁路边界处近地面噪声高出约3.5dBA；桥上支承块式无碴轨道轮轨噪声比有碴轨道的要大，其中钢轨近旁噪声大2.8～4.5dBA，桥面正下方0.3m处的噪声大1.4～2.3dBA。

The heavy mass and low stiffness track structure is proposed. It is shown that low wheel/rail interaction and low vibration in case of heavy axle loads could be obtained by using modern railway operating experiences and advanced techniques.

分析认为，提高轴重是扩能的需要，运用现代科学技术和国内外铁路的运营经验，实现重轴重大型货车的低轮轨力和低振动效应的车辆和轨道的相互作用，是能够获得所期望的效果的。

The effects of distance from the railway track, gross rail load on axle, train speed, properties of soil, and depth of bedrock were analyzed separately.

本文在前人研究的基础上，对列车引起的振动在周围环境中的传播及影响规律问题进行了较系统的分析研究。

By 2008, Beijing will total length of rail transportation operation over 300 km, forming a network of public transport as the main body and a fast track to urban areas as the backbone, external transport developed modern traffic system to provide first-class Olympic city traffic environment.

到2008年，北京市轨道交通运营总里程将超过300公里，形成以公共交通网络为主体、以城市快速轨道交通为骨干、对外交通发达的现代化交通体系，为奥运会提供一流的城市交通环境。

The main products have the standard gauge railway gauge ruler, gauge ruler test, and mine and mine with narrow-gauge scale, a railway extension from the foot, foot offset test, and coupling foot center height, site gauge measuring scale, the track-based pile parameter measurement ruler, at right angles to Road-foot, rail-foot seam, pressure type thermometers, bimetal thermometers, pressure gauges and other railway products.

主要产品有标准轨距铁路轨距尺、轨距尺检定器、煤矿及矿山用窄轨距尺、铁路支距尺、支距尺检定器、车钩中心高度尺、站台限界测量尺、轨道基桩参数测量尺、直角道尺、轨缝尺、压力式温度计、双金属温度计、铁路压力表等一系列产品。

Use of rubber particles: plastic sports venues, track, artificial turf, rubber floor tiles, oil, highway, railway Road, rail add, add concrete, microbiology media, industrial wastewater treatment, soil improvement, reinforcement, such as the roadside grass.

橡胶颗粒用途：塑胶运动场地、跑道，人造草坪，橡胶地砖，油田，高速公路，铁道道轨添加，混凝土添加，微生物培养基，工业废水处理，土壤改良，路边草加固等。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。