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设计总说明：水是生命之源，是人类不可缺少且无法替代的重要自然资源和环境资源。近年来，由于日益严重的环境污染，本来就不丰富的可利用水资源还在以惊人的速度减少。解决水资源和水环境问题越来越成为人类面临的重要的问题。城市污水收集系统是城市给排水工程规划中的一项专业规划，同时也是城市给排水工程规划中的一个重要组成部分。城市污水收集系统的综合作用是任何一种方法所不能替代的。
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污水管道系统是由收集和输送城镇或工业企业产生的管道及其附属构筑物组成的，应当根据当地城镇和工业企业总体规划和排水工程专业规划进行工程设计。污水管道系统的主要设计内容包括确定设计方案，在适当比例的总体布置图上划分排水流域，布置管道；根据设计人口、污水量标准等计算污水设计流量；进行污水管道的水力计算，确定管道断面尺寸、设计坡度、埋设深度等设计参数；确定污水管道在道路横断面上的位置；绘制管道平面图和总剖面图。9113
关键词：污水管道系统；管道断面尺寸；设计坡度；埋设深度；设计流量
A regional sewage system design
Abstract：Water is the source of life . Water is a human indispensable and can not be replaced natural and environmental resources . In recent years, due to the increasingly serious environmental pollution, should not have a wealth of available water resources is still reduced at an alarming rate. Addressing water resources and water environment is becoming more and more important issue facing humanity . The city sewage system design is a professional planning of the urban planning of drainage works. Is also an important component of the city drainage in the project plans . The combined effects of the urban sewage system can not be substituted by any methods .
Sewer system is constituted with the pipes that collect and convey the waste and its subsidiary structures of urban or industrial enterprises. Engineering design should be based on professional planning of local towns and the overall planning and drainage works of industrial enterprises of local towns. Sewer system designs include determining the design, piding drainage basin in the appropriate proportion of the overall layout, arrangement pipes. According to the design of the population and the volume of effluent standards to calculate the sewage design flow . Does hydraulic calculation of the sewers to determine the value of the design parameters , for example pipeline section size、design slope、 depth and so on ; To determine the location of the sewage pipe on the road Cross-sectional flat; Figure draw piping plan and total profile.
Keywords：Sewer system；Pipeline section size；Slope design；Burial depth；Design flow
目录 3
1 绪论 5
1.1 概述 5
1.1.1 编制依据 5
1.1.2 设计范围 5
1.1.3 设计原则 5
1.1.4 采用的规范、规定 5
1.1.5 设计标准 5
1.1.6 设计任务 6
1.2 设计资料 7
1.2.1 城市规划资料 7
1.2.2 气象资料 8
1.2.3 地质资料 8
1.2.4 受纳水体水文与水质资料 8
2 污水管网的规划设计 9
2.1 设计方案比选 9
2.1.1 排水系统的体制及选择 9
2.1.2 检查井的设置原则 9
2.2 污水管道设计 10
2.2.1 管道定线 10
2.2.2 污水管道的水力计算 11