山地住宅小区室外排水系统高落差跌水设计

Study on the design of high drop water drop in outdoor waste water engineering system in mountain residential area

室外排水系统是每个生活小区必须考虑的问题,而山地住宅小区的室外排水系统尤为复杂。山地住宅小区地面落差大于6m的情况比较普遍,室外排水管道系统需要处理上、下端落差大的情况也较为常见。永泰某山地住宅小区排水系统设计,综合考虑了地势、地质条件、区内挡墙形式,在落差6m处采用球墨铸铁管加消能措施解决高落差跌水问题。文章以其为例,详细介绍了这种跌水方式的水力计算、消能井的主要计算步骤,以及采用这种跌水方式应注意的事项,如管材、管径的选用、设施维护等。

Outdoor waste water engineering system is a problem that every living area must consider,and outdoor waste water engineering system of mountain residential area is especially complex. The ground drop of mountain residential area is more common than 6 meters,and the outdoor waste water engineering pipe system needs to deal with the large upper and lower end drop. In this paper,is introduced the design of a drainage system for a mountain residential area in yongtai,Comprehensive consideration of the topography,geological conditions,the form of regional retaining wall,The energy dissipation measures of ductile iron pipe were adopted to solve the problem of high drop water at the drop height of 6 m,and also introduces the hydraulic calculation of this type of falling water,the main calculation steps of the energy dissipation well,and the matters needing attention in adopting this type of falling water,such as the selection of pipe materials,pipe diameter,facilities maintenance and so on.