本文選題：公路隧道　切入點：互補式通風　出處：《長安大學》2014年碩士論文

【摘要】：隨著我國公路隧道建設事業(yè)的發(fā)展，積極響應國家節(jié)能減排的號召，公路隧道通風領域勢必會出現(xiàn)新的運行理念和結構形式，雙洞互補式通風便是其中之一。該通風方式充分利用了隧道上下行存在的較大通風差異，采用了“雙洞互補”的原理，巧妙地解決了隧道通風需要修建豎井的問題，有著良好的社會和經(jīng)濟效益。 雙洞互補式通風理論研究尚處于初期階段，雖在工程實際中得以應用，但對其適用性以及具體運行模式還有待于進一步探討。本文則基于雙洞互補式通風的基本原理，重點圍繞其適用性展開研究，并結合具體工程實際應用，通過需風量計算分析，給出了互補式通風的適用條件，包括隧址環(huán)境、隧道長度、隧道縱坡以及交通量等影響條件；此外，本文還建立了互補式通風換氣系統(tǒng)的三維立體模型，并利用計算流體力學軟件Fluent對其運行效果進行了數(shù)值模擬，更深入地驗證了互補式通風的適用性；緊接著，，本文還以應用雙洞互補式通風系統(tǒng)的大別山隧道為工程依托，對其進行了交通量、風速及污染物濃度等現(xiàn)場實測，分析了不同工況下隧道通風運行情況，并將實測結果與數(shù)值模擬結果進行了對比分析。 本文通過以上分析總結，在雙洞互補式通風適用性及運營方面得到了一系列有益的結論，對雙洞互補式通風的推廣應用有一定的現(xiàn)實意義，并為大別山隧道等實際應用工程的運營管理提供了一定的參考價值。
[Abstract]:With the development of highway tunnel construction in China, and in response to the call of national energy saving and emission reduction, new operational concepts and structural forms will inevitably emerge in the field of highway tunnel ventilation, one of which is the complementary ventilation with two holes.This ventilation mode makes full use of the large ventilation difference between the upper and lower tunnels, adopts the principle of "two holes complementing", and skillfully solves the problem that the shaft needs to be built in the tunnel ventilation. It has good social and economic benefits.Although the theory of complementary ventilation of double holes is still in the initial stage, it is applied in engineering practice, but its applicability and operation mode still need to be further discussed.Based on the basic principle of two-hole complementary ventilation, this paper focuses on its applicability. Combined with the practical application of specific projects, the suitable conditions of complementary ventilation, including tunnel environment, are given through the calculation and analysis of air demand.In addition, the three-dimensional model of complementary ventilation and air exchange system is established, and the numerical simulation of its operation effect is carried out by using the computational fluid dynamics software Fluent.The applicability of complementary ventilation is verified more deeply. Then, based on the Dabie Mountain Tunnel with a two-hole complementary ventilation system, the field measurements of traffic volume, wind speed and pollutant concentration are carried out.The tunnel ventilation operation under different working conditions is analyzed, and the measured results are compared with the numerical simulation results.Through the above analysis and summary, a series of beneficial conclusions have been obtained in the applicability and operation of dual hole complementary ventilation, which has certain practical significance for the popularization and application of double hole complementary ventilation.It also provides a certain reference value for the operation and management of Dabie Mountain Tunnel and other practical application projects.
【學位授予單位】：長安大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U453.5

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