本文選題：排水管網(wǎng) + InfoWorksICM　； 參考：《昆明理工大學(xué)》2017年碩士論文

【摘要】：地下管線是城市的血脈,近年來隨著城市的不斷發(fā)展,地下管線規(guī)模的不斷擴(kuò)大,其逐漸暴露出諸多問題。尤其是到了雨季,國內(nèi)許多城市都不同程度的陷入城市內(nèi)澇,使人民群眾的生命財(cái)產(chǎn)遭受了嚴(yán)重?fù)p失,這些問題都對城市規(guī)劃和管理工作提出了新的挑戰(zhàn)和要求。本文系統(tǒng)介紹了排水管網(wǎng)水力模型的概念、分類以及應(yīng)用,回顧了國內(nèi)外研究發(fā)展現(xiàn)狀,對InfoWorks ICM軟件的基本功能進(jìn)行了分析概括。論文結(jié)合工程實(shí)例,基于InfoWorks ICM軟件建立昆明市S水質(zhì)凈化廠排水管網(wǎng)水力模型,摸清該水質(zhì)凈化廠納污范圍內(nèi)排水管網(wǎng)運(yùn)行狀況,并理清雨污混接情況。集水區(qū)的劃分對于模型模擬結(jié)果的影響至關(guān)重要,以往的排水模型在進(jìn)行集水區(qū)劃分時(shí),只是對大范圍的管網(wǎng)進(jìn)行系統(tǒng)自動(dòng)化分,這樣劃分出來的集水區(qū)不能準(zhǔn)確表示雨水進(jìn)入雨水篦子的收水情況。本文在集水區(qū)的劃分時(shí),首先根據(jù)研究區(qū)內(nèi)的正射影像圖以及路網(wǎng)圖,手動(dòng)劃分集水區(qū),然后對劃分的子集水區(qū)進(jìn)行實(shí)地考察,根據(jù)實(shí)際情況對集水區(qū)進(jìn)行調(diào)整。通過對兩種不同的劃分方式下的集水區(qū)進(jìn)行比較,并對兩種劃分方式進(jìn)行了五年一遇的暴雨強(qiáng)度的模擬對比,得出經(jīng)實(shí)地考察的采用手動(dòng)劃分集水區(qū)的方式更能真實(shí)有效的反應(yīng)研究片區(qū)的收水范圍,更符合實(shí)際情況,更能提高模型準(zhǔn)確性的結(jié)論。在優(yōu)化集水區(qū)的基礎(chǔ)上,根據(jù)昆明市暴雨強(qiáng)度公式設(shè)計(jì)暴雨強(qiáng)度曲線,利用排水模型運(yùn)行不同設(shè)計(jì)降雨預(yù)案,分別選取1、5、50年一遇(設(shè)計(jì)降雨2小時(shí))重現(xiàn)期模擬管網(wǎng)中節(jié)點(diǎn)的積水情況、洪水量過程等水力特征變化過程。其次對管網(wǎng)中管道的超負(fù)荷狀態(tài)進(jìn)行模擬,通過對比分析,驗(yàn)證模型的正確性,查找排水管網(wǎng)中存在的問題,為更好的維護(hù)管網(wǎng)的運(yùn)行提供技術(shù)支持和理論依據(jù)。在模型建立過程中摸索出一整套的排水水力模型的工作程序,不僅為昆明市的排水系統(tǒng)設(shè)計(jì)及管理提供了參考和依據(jù),也為國內(nèi)其他城市的排水管網(wǎng)水力模型設(shè)計(jì)及管理方面提供了借鑒。
[Abstract]:Underground pipeline is the blood of the city. In recent years, with the development of the city and the expansion of the scale of the underground pipeline, it gradually exposed many problems. Especially in the rainy season, many cities in China are trapped in urban waterlogging to varying degrees, causing people's lives and property to suffer serious losses, these problems have put forward new challenges and requirements for urban planning and management. This paper systematically introduces the concept, classification and application of hydraulic model of drainage pipe network, reviews the research and development situation at home and abroad, and analyzes and generalizes the basic functions of InfoWorks ICM software. In this paper, based on InfoWorks ICM software, the hydraulic model of drainage pipe network in S water purification plant of Kunming City is established, and the operation status of drainage pipe network in the scope of water quality purification plant is found out, and the mixing of rain and pollution is clarified. The partition of catchment area is very important to the simulation result of the model. When the drainage model used to divide the catchment area, it only carries on the system automation division to the large-scale pipeline network. The watersheds divided in this way cannot accurately indicate the intake of Rain Water into the Rain Water grate. In this paper, the catchment area is divided manually according to the orthophoto map and road network map of the study area, and then the sub-catchment area is investigated on the spot, and the catchment area is adjusted according to the actual situation. Through the comparison of the catchment areas under two different division modes, and the simulation and comparison of the rainstorm intensity of the two kinds of division methods once in five years, It is concluded that the method of manually dividing the catchment area through field investigation can be used to study the water collection range of the region more truly and effectively, which is more in line with the actual situation and can improve the accuracy of the model. On the basis of optimizing the catchment area, according to the formula of rainstorm intensity in Kunming, the rainstorm intensity curve is designed, and the drainage model is used to run different design rainfall plans. The hydraulic characteristic changes of nodes and flood water flow in the pipe network were simulated during the recurrence period of 1 ~ 5 and 50 years (2 hours of design rainfall) respectively. Secondly, the pipeline overload state in the pipe network is simulated, and the correctness of the model is verified by comparison and analysis, and the problems existing in the drainage pipe network are found, which provides technical support and theoretical basis for better maintenance of the pipeline network operation. In the process of establishing the model, a whole set of working procedure of drainage hydraulic model is found out, which not only provides a reference and basis for the design and management of drainage system in Kunming, but also provides a reference for the design and management of drainage system in Kunming. It also provides reference for the design and management of hydraulic model of drainage pipe network in other cities in China.
【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU992

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