县城水系综合规划设计

Integrated Planning Programming of County Urban River System

以河北省永清县城区水系综合规划设计为例,在将永清县打造成“首都南中轴新兴卫星城,河北环北京绿色桥头堡”的进程中,通过水系的合理规划设计,建立排水安全保障体系、水质保障体系和水生态、水文化、水景观等城市环境建设体系,使其内涝防治设计重现期达到20年一遇标准,水系具备调蓄功能,服务范围内的年径流总量控制率满足《海绵城市建设技术指南》的要求,生态景观满足城市居民的休闲需求,综合效益得到最大程度的发挥。

Take the planning programming of Hebei Province Yongqing County urban river system for instant.In the course forging YongQing County into the emerging satellite city of capital south axial and the green bridgehead of Hebei encircling Beijing,with rational planning and utilization of water system,to build drainage security system,quality security system and urban environmental construction system such as water ecology,water culture,water landscape.Recurrence interval for urban flooding design comes up to the standard as once in 20 years,to have storage function,the volume capture ratio of annual rainfall meets the requirement of Technical Guide for Sponge City Construction,and ecological landscape meets the leisure needs of urban residents,comprehensive benefits get the best possible result.