Study On Several Questions Concerning Comprehensive Planning For Nanchang Urban Drainage (Rain) And Waterlogging Prevention

In order to meet the needs of urban development,urban construction and the flood control security,making scientific compilation of comprehensive planning of city drainage and waterlogging prevention is particularly important.The urban comprehensive planning of drainage(rain)waterlogging prevention mainly consists of low impact developing(LID)technic controlling stormwater runoff and rainwater utilization,the layout of drainage pipe network and the layout of waterlogging prevention systom,which occupies an important position in the flood control security and the city construction.The paper summerizes the compiling characteristics of comprehensive planning of drainage(rain)and waterlogging prevention at home and abroad,which tightly combined with the Notice to Do a Good Job of City Drains Facilities Construction from the General Office of the State Council,puts forward relevant suggestions for comprehensive planning of domestic drainage(rain)and waterlogging prevention.Combined with instances of the Comprehensive Planning for Nanchang Urban Drainage(rain)and Waterlogging Prevention,this paper analyzes the current situation and existing problems of drainage(rain)and waterlogging in Nanchang,so as to systematically solve the problem of waterlogging and drainage in Nanchang and hope to provide some help for other cities and units that are doing similar work.This main researches is as follows:1.It outlines an overview of the history and background of the comprehensive plan for drainage(rain)and waterlogging prevention,then summarizies the compiling advice of the domestic and foreign experts and scholars and the progress on compiling planning of the government agencies.2.It puts forward views according to the points of experts and scholars and the current situation and existing problems of nanchang drainage(rain)and waterlogging prevention consultted in government information.3.It gives scientific analyses to solve the problems of nanchang drainage(rain)and waterlogging prevention from the aspects of the low impact developping(LID)technique to build a sponge city,the open layout of drainage planning,the balance of storage and leak for drainage and waterlogging partitions.It also puts forward some countermeasures and suggestions,combining with the Comprehensive Planning Outline of the Urban Drainage(rain)Waterlogging Prevention.It uses instances of the Comprehensive Planning for Nanchang Urban Drainage(rain)and Waterlogging Prevention to analyzes the current situation and existing problems of drainage(rain)and waterlogging in Nanchang,so as to systematically solve the problem of waterlogging and drainage in Nanchang and hope to provide some help for other cities and units that are doing similar work.