發(fā)布時間：2018-04-23 04:39

  本文選題：高瓦斯隧道 + 安全風險管理��； 參考：《重慶交通大學》2015年碩士論文

【摘要】：隨著隧道工程設計與施工技術的發(fā)展,在交通基礎設施建設中,越來越多的長大瓦斯隧道被修建。為了確保瓦斯隧道施工安全,對瓦斯隧道的施工安全風險控制進行研究具有非常重要的意義。本文以南充化工園區(qū)鐵路專用線單碑石隧道為依托工程,通過研究國內外相關瓦斯隧道的災害資料,闡述了隧道瓦斯的賦存、運移、主要風險與危害,以及非煤系地層瓦斯隧道瓦斯賦存的特點,并通過對風險管理相關理論研究,系統(tǒng)闡述了風險管理相關理論,以及風險識別、分析與評價、應對、監(jiān)控的流程與方法,并運用風險管理方面的理論與方法,對非煤系瓦斯隧道在施工過程中的安全風險因素進行識別、評估并處理。本文對單碑石隧道施工過程中的安全風險進行識別,并采用調查打分法、模糊綜合評估法等方法進行了分析與評價,制定了風險應對措施,另外,針對項目最高風險源瓦斯,制定了專項控制方案。(1)在瓦斯隧道施工中,瓦斯風險事故一旦發(fā)生,后果都比較嚴重,特別是非煤系地層瓦斯隧道,由于瓦斯出現(xiàn)的不確定性和隨機性,風險通常更難以預見,施工風險也更大,更應予以重視。(2)由于非煤系地層瓦斯隧道安全風險影響因素較多,同時其具有隨機性和不可預見性,因此采用模糊綜合評價法對風險因素進行分析。(3)針對單碑石隧道的施工安全風險,制定了相應的風險應對措施,并針對項目最高風險瓦斯風險,從監(jiān)測監(jiān)控、超前地質預報、隧道通風、瓦斯防突方案等方面制定了專項方案予以控制。
[Abstract]:With the development of tunnel engineering design and construction technology, more and more gas tunnels are built in traffic infrastructure. In order to ensure the construction safety of gas tunnel, it is of great significance to study the construction safety risk control of gas tunnel. Based on the project of Nanchong Chemical Park Railway dedicated Line single Stone Tunnel, this paper discusses the occurrence, transportation, main risk and harm of gas in the tunnel by studying the disaster data of the gas tunnel at home and abroad. As well as the characteristics of gas occurrence in non-coal strata gas tunnel, and through the study of risk management theory, the related risk management theory, risk identification, analysis and evaluation, response, monitoring process and methods are systematically expounded. Using the theory and method of risk management, the paper identifies, evaluates and deals with the safety risk factors in the construction process of non-coal measure gas tunnel. In this paper, the safety risk in the construction process of the single stone tunnel is identified, and the investigation and scoring method and fuzzy comprehensive evaluation method are used to analyze and evaluate, and the risk countermeasures are formulated. In addition, aiming at the highest risk source gas of the project, In the construction of gas tunnel, once the gas risk accident occurs, the consequences are serious, especially the gas tunnel in non-coal measure strata, because of the uncertainty and randomness of gas, the risk is usually more difficult to predict. The construction risk is also greater, and should be paid more attention to. (2) because there are many factors affecting the safety risk of gas tunnel in non-coal-bearing strata, at the same time, it has randomness and unpredictability. Therefore, the fuzzy comprehensive evaluation method is used to analyze the risk factors. (3) aiming at the construction safety risk of the single stone tunnel, the corresponding risk countermeasures are formulated, and aiming at the highest risk gas risk of the project, the monitoring and monitoring are carried out, and the geological forecast ahead of time is made. Tunnel ventilation, gas outburst prevention and other aspects of the development of a special plan to control.
【學位授予單位】：重慶交通大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：U455

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本文編號：1790515