城市防洪规划中的控制要素

城市防洪规划是城市总体规划的组成部分,目前一些防洪规划对城市防洪设施建设缺乏明确的指导意见,难以成为城市防洪工程建设的依据。编制城市防洪规划要确定合适的防洪标准,制定科学的城市防洪方案。防洪方案应结合排洪、调洪、分洪、滞洪和避洪五方面综合作用,以争取最大的安全效益。制定城市防洪方案应该明确提出对排洪河道、防洪水库、分洪区、山地植被和避洪高程共5个方面的若干规划控制要素。

Control Element in Urban Flood Control Planning

Urban flood control planning is a component part of the urban overall planning. Now a certain flood control planning is short of clear guiding opinion for the construction of urban flood control facilities so as to difficulty become the basis of the construction of urban flood control projects. To work out urban flood control planning shall determine a suitable standard for flood control and shall draw up scientific option for urban flood control. The option for flood control shall be combined with the comprehensive actions in five aspects: flood drainage, flood survey, flood diversion, flood stop and flood avoiding so as to win over the maximum safety benefit. To draw up urban flood control option shall clearly puts forward some planning control elements in five aspects: river course for flood drainage, reservoir for flood control, area for flood diversion, vegetative cover at mountains region and elevation of flood avoiding.