中国公路防洪标准现状及存在问题

Analysis on present flood control standard for highway design in China

通过对国内外防洪标准制定方式的的归纳,以及对中国公路桥梁防洪标准制定的发展历程的分析,指出了现行标准主要存在以下三方面问题:学习国外经验与中国国情发展研究不够;指导思想不够全面,防洪思路需转变;特殊地区公路防洪标准考虑不全面。并针对存在问题提出了防洪标准修订的两点建议:一是基于洪水风险管理理论,考虑公路建设综合效益,制定公路防洪标准;二是细化公路防洪标准的等级划分,并对特殊地区加以补充说明。

The setting way of flood control standards in China and other countries was studied,the development of flood control standards for highway and bride design in China was analyzed.It was pointed out that there are three problems in the Chinese present flood control standards for highway and bride design.The first is there is not a good study on Chinese national conditions and other countries＇ experience;the second is the guidelines of flood control are not considered in a whole view,so the flood control idea should be changed;the third is the flood control standards are not adaptable for the highway design at special area.To solve those problems,two suggestions were presented.The one is that the flood control standards must be based on the flood risk management theory and the comprehensive benefit of highway construction,the other is that the levels of flood control must be graded in detail,and the additional regulations must be presented for the highway at special area.5 tabs,15 refs.