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本文在总结我国过去旧线改造的基础上,就旧线改进的指导思想,合理的改造范围和时机,规划及前期工作,旧线改选的技术标准,及其改造方案的比较,改造的步骤和方法,依靠科学技术进行旧线改造,加强施工组织、改进概算编制办法,重视设计工作等原则方面的问题,作了较全面系统的论述,据此提出了如何以同样的投资,更多更快地改造旧线的具体意见。
On the basis of summarizing the transformation of old line in our country in the past, this paper analyzes the guiding principle of old line improvement, the scope and timing of reasonable transformation, the technical standards of preliminary planning and re-election of old line, Methods, relying on science and technology to carry out the reconstruction of the old line, strengthening the construction organization, improving the preparation of budget estimates, focusing on the design work and other principles, made a comprehensive and systematic exposition, and accordingly proposed how to use the same investment, more and faster The specific views of the old line to transform.