SWMM模型在西北典型城鎮(zhèn)雨洪系統(tǒng)規(guī)劃中的應(yīng)用
本文關(guān)鍵詞:SWMM模型在西北典型城鎮(zhèn)雨洪系統(tǒng)規(guī)劃中的應(yīng)用 出處:《西安建筑科技大學》2013年碩士論文 論文類型:學位論文
更多相關(guān)文章: 排水工程 SWMM模型 建模 模擬分析 工程改造
【摘要】:城市雨洪系統(tǒng)在城鎮(zhèn)基礎(chǔ)設(shè)施建設(shè)中具有重要作用,起到了排漬、排澇、防洪的作用。隨著我國城市化進程不斷加快、城市人口不斷增加、城市規(guī)模不斷擴大,相應(yīng)的雨洪系統(tǒng)不斷延伸,許多城市防洪排澇設(shè)施建設(shè)已經(jīng)不能滿足城市安全與環(huán)保等方面的要求,各地雨洪系統(tǒng)中出現(xiàn)各種災(zāi)害問題,給城市經(jīng)濟發(fā)展、人民生活和生產(chǎn)帶來了極大影響,需要對城市雨洪系統(tǒng)進行合理的規(guī)劃設(shè)計。在城市規(guī)劃中,傳統(tǒng)的防洪工程規(guī)劃、雨水工程規(guī)劃方法很難解決日益快速的城市化發(fā)展需求,需要尋求更加科學合理的規(guī)劃設(shè)計方法以解決日益復(fù)雜的城市雨洪系統(tǒng)中存在的各種問題。隨著計算機技術(shù)的快速發(fā)展,利用數(shù)學模型方法解決雨洪系統(tǒng)規(guī)劃中的各種問題越來越受到各方的關(guān)注。 綜述了雨洪排除系統(tǒng)模型的基本理論,介紹了雨水排除系統(tǒng)數(shù)學模型機構(gòu)成與模型的應(yīng)用情況。通過與國際上現(xiàn)有的各種雨洪排除系統(tǒng)模型分析比較,分析了SWMM模型對用于雨洪系統(tǒng)規(guī)劃的適用性。論述了基于SWMM模型模擬的理論方法與步驟,重點論述了子流域概化、各種計算子模型以及建模的基本步驟,并對SWMM模型中的各參數(shù)進行了律定。 以西北某典型城市為研究區(qū)域,考慮該城市現(xiàn)狀及未來的發(fā)展、用地性質(zhì)、地形特點、天然界限(河流)以及下墊面形式等差異,將該城市概化劃分六個匯水區(qū)域,建立SWMM計算模型,,并對不同匯水區(qū)域的雨量進行模擬分析,模擬結(jié)果能明確指示各匯水區(qū)域雨洪排放工程中存在的問題,分析各子匯水區(qū)域哪些排水管道的排水能力,特別是在大暴雨情形下可能產(chǎn)生的雨洪災(zāi)害問題節(jié)點,研究結(jié)果可為該城市雨洪工程改造提供可靠的優(yōu)化方案。
[Abstract]:City rainwater system plays an important role in urban infrastructure construction, the drainage, drainage, flood control role. Along with our country city to speed up the process, the city population continues to increase, the city continues to expand the scale of rainwater system corresponding continuous extension, many city flood control and drainage facilities have been unable to meet the city safety and environmental requirements, various disasters occur around the stormwater system, to the city economic development has brought great impact on people's lives and production, the need for city rainwater system design. Reasonable planning in city planning, flood control planning of traditional planning method, it is difficult to solve the city rainwater project the development of fast growing demand, need to seek a more scientific and reasonable planning and design methods to solve various problems of city rainwater system is becoming more complicated. With the development of computer technology in The rapid development of the mathematical model method to solve various problems in the planning of rain and flood system has attracted more and more attention.
The paper summarizes the basic theory of rainwater exclusion system model, introduces the application of rainwater drainage system mathematical model and mechanism model. Through the analysis of the international and the various existing stormwater removal system model comparison, analysis of the SWMM model for applicability of rainwater system planning. Discusses the theoretical methods and steps of SWMM model based on the focus on the sub basin is summarized, the basic steps of various calculation model and modeling, and the parameters of SWMM model in the law.
In a typical city in Northwest China as the study area, considering the current situation and future development of the city, the nature of land use, topography, natural boundaries (rivers) and surface form difference, the city is divided into six generalized catchment area, the establishment of SWMM model, and the different catchment rainfall simulation analysis the simulation results indicate, the catchment area of rainfall flood drainage project in question clearly, analysis the drainage capacity of each sub catchment area which drains, especially node stormwater disaster problems that may arise in the case of heavy rain, the research results can provide reliable optimization scheme for the transformation of the city rainwater project.
【學位授予單位】:西安建筑科技大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:TU992
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