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从多年的工程实践中发现,我国现有公路提高等级设计中存在一些问题,主要是在设计中没有很好地解决旧路提高等级后的具体技术标准问题,旧路局部改线问题,旧路加宽方案问题和旧路基利用问题。应合理利用原有路线、减少占地、拆迁等环节和数量,对于降低工程造价,减少建设中的各种矛盾,加快工程建设速度能够收到非常好的效果。
It has been found from many years of engineering practice that there are some problems in the design of the existing highways in our country. The main problems are the specific technical standards after the old roads were raised in the design, the problems of partial rebuilding of the old roads, Wide program issues and the use of old subgrade problems. We should make rational use of the existing routes and reduce the number and areas of land occupation and demolition. This will have a very good effect in reducing construction costs, reducing contradictions in construction and accelerating construction speed.