城市轨道交通与市政管网统筹建设协同性探析

Exploration on Synergy of Urban Rail Transit and Municipal Pipeline Network Coordinated Construction

目的:协调城市轨道交通系统与市政管网系统在道路地下空间内的相互关系,做到两者均能安全、经济、高效地发展,是工程建设面临的一大挑战,开展两者统筹建设的协同性研究意义重大。方法:从城市轨道交通系统建设角度出发,结合市政管网系统提质建设的需求,采用案例分析方法,对新建城区、建成区、既有线改造3种不同情境下与市政管网的协同性进行研究分析,为解决时序、空间上的可能矛盾提供解决思路与方法。结果及结论:在新建城区中,应采用综合管廊结合轨道预留的方式,做好地下空间的管控与合理利用;在建成区新建城市轨道交通线路时,采用随轨道交通同步建设骨干市政管廊或节点型管廊的方式,将站点的交通导改、管线拆改与规划市政需求等相协调;在城市更新背景下的既有城市轨道交通线路改造中,可同步进行市政管线局部的提质改造,而小型管廊可作为一种置换空间的手段。

Objective:Coordinating the interactive relation between URT(urban rail transit)systems and municipal pipeline networks in the underground space of roads to achieve safe,economic,and efficient development for both presents a major challenge in engineering construction.Therefore,conducting research on synergy of the coordinated construction of the two systems is of great significance.Method:Starting from the perspective of URT system construction and in combination with the needs for quality improvement of municipal pipeline networks,case analysis method is adopted to analyze the synergy between the two systems in three different scenarios:newly-built urban areas,established areas,and existing line renovation,providing solutions and methods to resolve possible conflicts in time and space.Result&Conclusion:In newly-built urban areas,the comprehensive utility tunnel with the reserved space for rail transit should be used to control and reasonably utilize the underground space.For the new URT line construction in established areas,a backbone municipal or nodal utility tunnel should be built along with the rail transit system,coordinating traffic guidance for stations,pipeline relocations,and planned municipal demands.In the context of urban renewal,the upgrading of municipal pipeline networks can be carried out in parallel with the renovation of existing URT lines,and small utility tunnels can be used as a means of space substitution.