长大铁路

针对长大铁路双线隧道轨道结构施工中发生的弹性整体道床轨道偏移问题，阐述了纠偏的方法和施工工艺，为以后同类工程提供借鉴。

A description is given to method and technology a-dopted against track deviation during construction of elastic monolithic track bed in long double line tunnel .

运用现代空间数据无缝集成技术、三维技术及数据库挖掘技术是长大铁路隧道多源数据管理平台的主要研究内容。

Study of multisource data management platform for long & large rail tunnel is mainly on how to use data seamless integration technology , 3-D technology and data mining technology .

针对传统四阶段法不太适合长大铁路干线需求预测的实际，通过对四阶段需求预测方法及各种模型的改造，建立了一套适合我国铁路项目客运量预测的预测方法和程序。

Considering the practical inapplicability of traditional four-stage transportation planning method on great railway lines , this paper analyses the characteristics of the railway corridor and reconstructs a serious of models to predict passenger transport demand of railway based on the background of the Beijing-Shanghai high speed railway .

长大隧道是构筑铁路、公路主体的主要工程结构之一，大多是铁路、公路的关键性控制工程。

As one of main structures of main body of railway and highway , huge tunnel is always the critical part that influences the quality of the whole project .