雨污分流改造中特殊情况下渠箱内挂管几种形式及优缺点

Several Forms,Advantages and Disadvantages of Hanging Pipes within Underdrain under Special Situation in Rainwater and Sewage Separation Reconstruction

老城区排水系统由于早期经济、技术与理念的制约,排水管道建设落后于地上建筑建设。房屋侵占河道、压缩雨水通道空间现象较为普遍。针对雨污分流改造过程中遇到此类建筑侵占、骑压渠箱、无空间实施工程的情况,提出雨污分流改造对策和措施,并对优缺点进行综述性讨论。

Due to the constrains of the early economy,technologies and ideas,the drainage pipeline in the drainage system of old city lags behind the construction of ground buildings.The phenomena of housing encroachment river and compressing rainwater channel space are more common.Aiming at the situations of building encroachment,riding pressing underdrain and no-space implementation for project met in the reconstruction process of rainwater and sewage separation,several countermeasures and measures for rainwater and sewage separation reconstruction are put forward.And the advantages and disadvantages are summarized and discussed.