Exploration on the application of new drainage pipes HDPE in the drainage engineering

Through analyzing the drainage pipe network status and current pipe network reconstruction in old city area,this thesis makes a comparison on pipeline functions,engineering cost,construction schedule,and hydraulics between new drainage pipe HDPE and traditional concrete drainage pipe.And then,it points out that new drainage pipe HDPE has good pipeline performance and simple construction technology,and prosperous application prospect in municipal drainage engineering as well.