介绍在铁路站场改造施工中制订施工要点过渡方案时按“先新后旧”、“先伸后缩”、“展外缩内”的原则,以及采取工务和电务配合,设计同现场实际相结合的原则进行站场展长施工,这种施工方法减少了施工对运输的干扰和影响。 Introduced in the railway station renovation construction in the construction of key points in the transition program by “first new old ”, “first stretch back shrink ”, “out of shrinkage ” principle, and to take the public works and electrical With the principle of combining with the actual design of the site to carry out the construction of the station yard, this construction method reduces the interference and impact of the construction on the transportation.