高标准规划“水城共融”的城市副中心的探索

EXPLORATION OF HIGH-STANDARD PLANNING OF URBAN SUB-CENTER WITH THE CONCEPTION OF WATER-CITY INTEGRATION

以北京市通州区历史水系为脉,以创新为魂,以高标准规划城市副中心为目标,从四个方面阐述了北京城市副中心“水城共融”的理念:(1)以历史水系变迁和发展、水与城的关系为脉络,传承古今,构建历史水系总体格局;⑵落实河长制,在通州区全域范围划定116条(段)河道蓝线,划定蓝绿交织的水系空间,保证城市副中心的防洪排涝安全;(3)规划建设“通州堰”系列分洪体系,为实现水城共触和活力亲水提供条件;(4)在规划和设计方面,以行政办公区的“镜河”为例,高点定位,创新驱动,打造清新明亮的城市金名片。

Taking the historical water system of Tongzhou District as the context,with innovation as the basis and the aim of high standard planning,this paper expounds the concept of“water-city integration”of Beijing's sub-center from four aspects:(1)taking the change and development of historical water system and the relationship between water and city as the context,inheriting the ancient and modem culture,and constructing the overall pattern of historical water system;(2)implementing“river chief system,”delimiting 116 blue lines of river courses in the whole area of Tongzhou District,and delimiting the space of water system interwoven with the greening to ensure the safety of flood control and drainage in the sub-center;(3)“Tongzhou Weir”diversion system is planned to be built to provide conditions for the realization of water-city integration and waterfront vitality;(4)in terms of planning and design,it takes Jinghe River in the administrative office area as an example,which stresses high-end positioning and innovation driven,and functions as a fresh and bright urban visit card.