天津市窄路密网的老城区合流制排水管网改造研究

Study on Reconstruction of Old Town Combined Sewage Pipe Network in Narrow Road Network of Tianjin City

天津市和平区的核心区域主要为窄路密网的道路格局,而该区域又是合流制老城区。通过介绍区域路网概况及排水管网现状,分析合流制管网存在的问题,阐述管网改造的原则,并针对现状窄路密网的道路格局,提出利用新型排水设施进行分流制改造的方法和完善排水设施的对策。

The core area of Heping District in Tianjin City is the road pattern mainly of narrow road network,and this area is also the old town with the combined sewage system. According to the introduction of the general situation of area road network and the present status of drainage pipe network, the article analyzes the problems existing in the combined swage pipe network, sets forth the principle of pipe network reconstruction,and aiming at the road pattern of present narrow road network, the article puts forward the method of using the new drainage facilities for reconstruction of separate sewage system and the countermeasures for perfecting the drainage facilities.