本文選題：長大隧道 + 施工風(fēng)險　； 參考：《西南交通大學(xué)》2016年碩士論文

【摘要】：長大隧道工程的建設(shè)往往會帶來顯著的社會和經(jīng)濟效益,具有一定的戰(zhàn)略意義。近年,我國隧道施工技術(shù)水平得到長足的發(fā)展,長大隧道大量涌現(xiàn)�！伴L”和“大”兩個突出屬性意味著更復(fù)雜的水文和地質(zhì)條件,更復(fù)雜的結(jié)構(gòu)受力狀態(tài),包含更多的風(fēng)險因素,施工難度大,建設(shè)過程風(fēng)險高,施工風(fēng)險問題日益突出。因此,開展長大隧道施工安全風(fēng)險評估與管理研究工作具有重要的現(xiàn)實意義。本文綜合運用文獻研究、現(xiàn)場調(diào)研、專家調(diào)查、統(tǒng)計分析和模糊數(shù)學(xué)方法,在獨立研究和歸納總結(jié)的基礎(chǔ)上,開展了長大隧道施工安全風(fēng)險評估研究工作。并以成昆鐵路米易至攀枝花段擴能改造工程MPZQ-2標埡口隧道為依托,進行長大隧道施工安全風(fēng)險評估應(yīng)用。論文主要工作和成果如下：(1)統(tǒng)計分析了國內(nèi)296起隧道施工典型事故,詳細總結(jié)了各類典型事故的影響因素,結(jié)合已有研究成果、工程現(xiàn)場問卷調(diào)查和專家咨詢,建立了長大隧道施工安全總體風(fēng)險和專項風(fēng)險(塌方、涌水、瓦斯、近接建構(gòu)(筑)物施工)評估指標體系。(2)基于模糊層次綜合評估法和專家調(diào)查法,建立了長大隧道施工安全風(fēng)險評估模型。采用模糊層次綜合評估法評估隧道施工安全風(fēng)險概率等級；采用專家調(diào)查法評估隧道施工安全風(fēng)險損失等級：開展長大隧道施工安全風(fēng)險損失專家調(diào)查問卷工作,對調(diào)查結(jié)果進行統(tǒng)計分析以初步評估隧道施工安全風(fēng)險損失等級。(3)基于事故影響因素的詳細分析、專家咨詢回饋,利用層次分析法構(gòu)建長大隧道施工安全風(fēng)險評估指標的兩兩比較矩陣,并計算矩陣的特征向量和一致性檢驗,確定各層評估指標的相對權(quán)重；結(jié)合已有文獻研究,采用梯形函數(shù)分布確定長大隧道施工安全風(fēng)險評估指標的隸屬函數(shù)。(4)結(jié)合隧道相關(guān)風(fēng)險評估與管理規(guī)范、指南,提出長大隧道施工安全風(fēng)險評估的一般流程,給出本文長大隧道施工安全風(fēng)險評估所采用的風(fēng)險等級標準：初步劃分了長大隧道施工安全風(fēng)險評估指標體系中各指標的評判標準；從管理措施和技術(shù)措施兩方面總結(jié)提出長大隧道施工安全風(fēng)險控制技術(shù)體系。(5)基于SQL Server建立了隧道施工事故數(shù)據(jù)庫,實現(xiàn)事故信息的錄入(存儲)和查詢；應(yīng)用C#語言開發(fā)隧道施工風(fēng)險評估軟件。(6)應(yīng)用文中建立的長大隧道施工安全風(fēng)險評估模型,進行埡口隧道施工安全風(fēng)險評估。得到埡口隧道施工初始總體風(fēng)險等級為“高度”,采取管理與技術(shù)雙重措施后,再次評估顯示其風(fēng)險等級降低到了“中度”。該評估結(jié)果同中國路橋公司成昆鐵路米易至攀枝花段項目經(jīng)理部組織專家開展的埡口隧道施工安全風(fēng)險評估結(jié)果吻合。
[Abstract]:The construction of long tunnel often brings remarkable social and economic benefits and has certain strategic significance. In recent years, the level of tunnel construction technology in China has been greatly developed, and a large number of large tunnels have emerged. The two outstanding attributes of "long" and "big" mean more complicated hydrological and geological conditions, more complicated structural stress state, more risk factors, more difficult construction, high risk in the construction process, and increasingly prominent construction risk problems. Therefore, the research on safety risk assessment and management of long tunnel construction is of great practical significance. On the basis of independent research and summary, this paper has carried out the research work of safety risk assessment of long and long tunnel construction based on literature research, field investigation, expert investigation, statistical analysis and fuzzy mathematics method. The safety risk assessment of long tunnel construction is carried out based on the MPZQ-2 Biao Yakou tunnel in the capacity expansion project from Mi Yi to Panzhihua section of Cheng-Kun railway. The main work and results of this paper are as follows: (1) A statistical analysis of 296 typical accidents in tunnel construction in China is made, and the influencing factors of various typical accidents are summarized in detail. The evaluation index system of overall risk and special risk (collapse, water gushing, gas construction) of long and long tunnel construction is established, which is based on fuzzy comprehensive evaluation method and expert investigation method. The safety risk assessment model of long tunnel construction is established. The probability grade of safety risk in tunnel construction is evaluated by fuzzy level comprehensive evaluation method, and the grade of safety risk loss in tunnel construction is evaluated by expert investigation method. The expert questionnaire on safety risk loss in long tunnel construction is carried out. Statistical analysis of the survey results to assess the tunnel construction safety risk loss grade. 3) based on the detailed analysis of the factors affecting the accident, expert consultation and feedback, Using AHP to construct the pairwise comparison matrix of safety risk assessment index of long tunnel construction, calculate the eigenvector and consistency test of matrix, determine the relative weight of each layer evaluation index, combine with the existing literature research, Adopting trapezoidal function distribution to determine the subordinate function of safety risk assessment index of long and long tunnel construction. (4) combining with the relevant risk assessment and management criterion of tunnel, the general process of safety risk assessment for long and long tunnel construction is put forward. The risk grade standards used in the assessment of the construction safety risk of the long and long tunnel are given: the evaluation standards of each index in the evaluation index system of the construction safety risk of the long and long tunnel are preliminarily divided; From the two aspects of management measures and technical measures, the paper puts forward the technical system of safety risk control for long and long tunnel construction. (5) based on SQL Server, a tunnel construction accident database is established to realize the input (storage) and query of accident information. Using C # language to develop the risk assessment software of tunnel construction, the model of safety risk assessment for long tunnel construction is established in this paper, and the safety risk assessment of Yakou tunnel construction is carried out. The initial overall risk grade of Yakou tunnel construction is "height". After adopting both management and technology measures, the re-evaluation shows that the risk grade of Yakou tunnel is reduced to "moderate". The evaluation results are in agreement with the safety risk assessment results of Yakou tunnel construction organized by the project manager department of Chengkun Railway from Mi Yi to Panzhihua Section of China Road and Bridge Corporation.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：U455.1

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