The Research On Causes And Control Measures Of Changsha Urban Drainage Inspections Wells

With the enhancement of urban modernization level, drainage pipelines and inspection chambers are increasing. The existence of the inspection chamber affected the entirety of the road to some extent, including not only the structure stability and semblance, but the lifespan of the road. The diseases of inspection chamber can bring inconvenience for people and cars, even induce the traffic accident. As the living standards and awareness of environmental protection, safety and law increasing, the requirements of service quality on the road also increased, making this issue more prominent. At present, the Municipal Party Committee and Government, together with other functional departments have paid high attention to the problem of urban road inspection chamber disease. Therefore, the study on drainage inspection chamber disease prevention countermeasures is very necessary.In this thesis, the inspection chamber lids in Changsha were studied in several areas as follows:(1)The current situation and disease of drainage inspection chamber and manhole cover in Changsha were surveyed. Meanwhile, the design information was collected, as well as the specifications and standards of construction and acceptance check.(2)The construction procedure of drainage inspection chamber and manhole cover in Changsha was studied, as well as the manufacturers, domestic advanced production process and materials of manhole covers.(3) The main reasons of drainage inspection chamber disease in Changsha were analyzed, while suitable prevention countermeasures were put forward, which could provide basis for local standards on the design, construction, and quality control, check of drainage inspection chamber, and also on the market access, later maintenance of manhole cover.