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某城市雨水管网设计说明书.doc
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某城市雨水管网设计说明书.doc
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摘要
随着城镇经济建设的快速发展,排水工程在社会主义建设中突显的越来越
重要。通过对XX市雨水管渠系统现状的调查,对XX市雨水管渠系统进行优化
设计。首先了解XX市自然地理环境,确定该地区的暴雨强度公式与管道设计流
量的相关参数,得出该地区的雨水管渠设计流量公式。对XX市地形图进行了研
究,确定了五个排水流域;划分了若干个排水分区,并对管道定线;划分设计
管段的汇水面积;对设计管段进行水力计算;画出管渠的平面图及纵剖面图。
关键词:排水工程、排水系统、雨水管网、管道优化、设计流量、水力计算
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ABSTRACT
With the booming economy in towns currently, drainage engineering is
playing a much more important role in our social development. This paper
shows an optimized design of rainwater drainage system about Changyi by
deeply investigating and researching. Firstly, general geographic
environmental characters were obtained, and then the parameters of storm
intensity formula as well as designed #ow were determined. Thus we know the
design #ow formula of rainwater drainage in this area. Secondly, after
theoretical and experimental studying, &ve draining basin and some drainage
subarea were designed, also the position of the pipelines were determined.
Finally, Hydraulic calculation, ichnography and pro&le as well of the designed
project were made.
KEY WORDS: drainage engineering, drainage system, rainwater
drainage system, optimized pipeline, designed #ow, hydraulic
calculation
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目录
前言......................................................................................................................................................... ...1
第 1 章概论................................................................................................................................... .............2
1.1 概述............................................................................2
1.2 工程概况....................................................................5
1.2.1 设计依据................................................................................................................................5
1.2.2 设计内容................................................................................................................................6
第 2 章污水排水系统的选择及管线布置的优化....................................................................... .............7
2.1 排水系统的体制及其选择........................................7
2.2 排水系统的布置形式................................................8
2.3 排水管渠的材料、接口及基础..............................11
2.3.1 排水管渠的断面形式..........................................................................................................11
2.3.2 排水管渠材料的选择 ......................................................................................................13
2.4 管线布置的优化思想..............................................16
第 3 章雨水管渠系统的设计..................................................................................................................17
3.1 排水系统规划设计的原则......................................18
3.2 雨水管渠设计流量的确定......................................19
3.2.1 暴雨强度公式的确定..........................................................................................................19
3.2.2 基本参数确定......................................................................................................................20
3.2.3 雨水管渠设计流量公式的确定..........................................................................................24
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3.3 雨水管渠系统的设计..............................................25
3.3.1 雨水管渠系统平面布置得特点..........................................................................................25
3.3.2 雨水管渠水力计算的设计数据..........................................................................................28
3.4 雨水管渠系统的设计步骤......................................31
第 4 章雨水管渠系统的水力计算..........................................................................................................33
4.1 暗管的水力计算......................................................33
4.2 梯形断面明渠的水力计算......................................34
4.3 雨水泵站的设计计算..............................................35
4.3.1 泵站的设计原则..................................................................................................................35
第 5 章工程经济概算..............................................................................................................................39
总结....................................................................................................................................................... ...41
致谢....................................................................................................................................................... ...43
附录一:暗管管道水力计算表........................................................................................................... ...44
附录二:梯形断面明渠水力计算表................................................................................................... ...65
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