【摘要】：本論文以中環(huán)線東段工程建設(shè)為依托,根據(jù)其主線全高架形式的特點,對高架道路路面排水水文與水力計算方法進行了總結(jié)與分析,包括匯流量計算、橋面雨水口泄水能力計算、縱坡段橋面雨水口截流率計算等。建立了高架道路排水設(shè)計計算流程,采用水力學(xué)理論分析方法對示范段進行了計算分析。采用計算流體力學(xué)(CFD)方法,對示范段高架雨水徑流進行二維水動力學(xué)模擬,與理論分析方法進行對比分析。根據(jù)高架排水系統(tǒng)的特點,從路面、立管、地面、地下空間等方面選擇適用的低影響開發(fā)技術(shù),開展了大孔隙排水路面(OGFC)、高架立管雨水調(diào)蓄水箱、下沉式綠地、雨水花園、高架道路雨水儲存利用系統(tǒng)的技術(shù)分析與研究,針對高架雨水儲存利用和污染物控制提出了工程實施技術(shù)路線并開展了示范研究。研究結(jié)果表明,常規(guī)高架路面排水設(shè)計計算按照本研究總結(jié)的流程進行計算。超常規(guī)路段如大縱坡、超寬超高段等,建議通過計算機水力學(xué)模型進行模擬分析,必要時輔以物理模型試驗。通過本技術(shù)示范研究表明,高架雨水儲存利用技術(shù)和污染物控制技術(shù)對COD、懸浮顆粒物、NH3-N、總N、總P、重金屬的去除效果較好,出水穩(wěn)定性提高。
[Abstract]:Based on the construction of the eastern section of the Central Ring Line, according to the characteristics of the main line of the whole elevated structure, this paper summarizes and analyzes the hydrological and hydraulic calculation methods for the drainage of the elevated road surface, including the calculation of the sink discharge. The calculation of discharge capacity of Rain Water port of bridge deck, and the calculation of intercepting rate of Rain Water mouth of longitudinal slope section, etc. The design and calculation flow of viaduct drainage is established, and the demonstration section is calculated and analyzed by hydraulic theory analysis method. By using computational fluid dynamics (CFD) method, a two-dimensional hydrodynamic simulation of Rain Water runoff in the demonstration section was carried out, which was compared with the theoretical analysis method. According to the characteristics of elevated drainage system, the suitable low-impact development technology is selected from the aspects of pavement, riser, ground, underground space, etc. The (OGFC), viaduct of macroporous drainage pavement, Rain Water water storage tank, sunken green space, Rain Water garden, etc., are carried out. Based on the technical analysis and research of Rain Water storage and utilization system on viaduct, this paper puts forward the technical route of engineering implementation and demonstration research for the storage and utilization of viaduct Rain Water and the control of pollutants. The results show that the drainage design of conventional elevated pavement is calculated according to the process summarized in this study. It is suggested that the computer hydraulic model should be used to simulate and analyze the supernormal sections such as large longitudinal slopes and ultra wide and ultra high sections, and if necessary, physical model tests should be used. The results showed that the technology of storage and utilization of elevated Rain Water and pollutant control technology had better removal effect on COD, suspended particulates, NH3-N, total N, total P and heavy metals, and the stability of effluent was improved.
【學(xué)位授予單位】：華東理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：U417.3;U443.5

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