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目录 课程设计目的·····················································································2 工程概况······························································································2 给水系统······························································································23.1 给水管网布置形式图···································································33.2 给水管网的水力计算···································································3 4. 排水系统·······························································································84.1污水管网布置形式·························································································94.2污水管道设计流量计算·················································································104.3 污水管道水力计算·························································································114.4 污水管道标高及埋深设计·············································································115. 总结···························································································136. 参考文献···················································································137. 附表附表一:合肥市某城区给水管道平面图附表二:合肥市某城区排水管道平面图附表三:合肥市某城区排水管道主干管纵剖面图1.课程设计目的本课程设计是《给排水管道工程工程技术》关于室外管道工程技术部分的课程教学总结性与实践性的重要环节。它既是学生运用所学知识和技能解决工程问题的一种尝试,也是一次“实战演习“。其主要目的是将所学书本内容加以巩固,充实,加深,并将这些内容系统的联系起来综合运用,进一步理解所学课程的基本原理及给排水工程设计的基本步骤和方法,培养学生独立分析问题和解决问题的能力,提高设计水平和设计技能,为今后的工作奠定基础。2. 工程概况合肥市某城区拟建立统一的给水管网与排水管网,是该地区的生活用水普及率达100%,且污水集中处理。地区及人口情况:该城区为合肥市的一个城区。设计人口数为12万。是变化系数为1.4。城区生活用水的最小服务水头为40m。城区绿化和浇洒道路用水按居民综合生活用水量和工业用水量之和的3%考虑。火车站污水量为320m3/d,均匀排出。城区工业企业分布及用水量情况工厂名称工人数生产用水量(m3/d)排入市政管网的最大生产污废水量(m3/d)用水时间高温车间一般车间A12026035003200全天均匀使用B80136250024008-24h均匀使用C0150180016008-16h均匀使用备注水质与生活饮水相同,水压无特殊要求。淋浴人数高温车间安85%计,一般车间按70%计。3. 给水系统3.1 给水管网布置形式图该城区室外给水管网的布置形式草图如下:3.2 室外给水管网的水力计算《一》最高日最高时设计用水量:该城区为安徽合肥,人口12万,查表《综合生活用水定额》,取居民综合生活污水定额为260L/(人·d)城市最高城市综合用水量Q1=1/1000·(260·120000)+320=31520(m3/d)工业企业用水,包括工业企业生产用水和工业企业职工生活用水。职工生活用水定额为一般车间25L(人·班),高温车间35L(人·
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