【摘要】：一般情況下,礦山法隧道防排水型式多設(shè)計(jì)為"以排為主",在特殊情況下才采用"排堵結(jié)合"的型式。近年來(lái),隨著環(huán)保意識(shí)的提升,人們已經(jīng)逐漸認(rèn)識(shí)到地下水的任意排放對(duì)地下水資源和地表生態(tài)環(huán)境造成了不同程度的破壞。因此,本文針對(duì)淺埋隧道提出了一種新型的全封閉噴涂防水體系。此外,考慮到我國(guó)各類(lèi)隧道工程運(yùn)營(yíng)階段的滲漏水病害非常普遍,隧道防水效果總體并不能令人滿意,基于此現(xiàn)狀對(duì)噴涂防水體系的可靠性進(jìn)行了系列研究工作。本論文的主要研究?jī)?nèi)容及研究成果如下:(1)對(duì)隧道工程的地下水控制技術(shù)和觀點(diǎn)進(jìn)行了全面研究,總結(jié)了我國(guó)傳統(tǒng)礦山法山嶺隧道、城市隧道和水下隧道的防排水體系,在此基礎(chǔ)上提出了一種用于淺埋隧道的全封閉噴涂防水體系,并對(duì)其作用機(jī)理進(jìn)行了詳細(xì)論述。(2)對(duì)系統(tǒng)可靠性與效能、工程成本和進(jìn)度之間的關(guān)系進(jìn)行了論述,通過(guò)失效模式影響及危害性分析(FMECA)技術(shù)研究了全封閉噴涂防水體系的失效模式和失效原因,以專(zhuān)家問(wèn)卷的形式獲得全封閉噴涂防水體系的風(fēng)險(xiǎn)因子及風(fēng)險(xiǎn)值,并用風(fēng)險(xiǎn)指數(shù)法和危害性矩陣圖法對(duì)風(fēng)險(xiǎn)因子進(jìn)行了危害性分析比較。(3)介紹了用于大型復(fù)雜系統(tǒng)可靠性和安全評(píng)價(jià)的故障樹(shù)分析(FTA)技術(shù)的基本概念、建模步驟和分析方法,在此基礎(chǔ)上建立了全封閉噴涂防水體系的故障樹(shù)模型,對(duì)全封閉噴涂防水體系進(jìn)行了定性分析和定量分析等失效性研究分析工作。(4)介紹了貝葉斯網(wǎng)絡(luò)模型的概念和算法,將貝葉斯網(wǎng)絡(luò)引入到全封閉噴涂防水體系的可靠性評(píng)價(jià)。在故障樹(shù)的基礎(chǔ)上映射建立全封閉噴涂防水的貝葉斯網(wǎng)絡(luò)模型,對(duì)全封閉噴涂防水體系進(jìn)行風(fēng)險(xiǎn)預(yù)測(cè)和風(fēng)險(xiǎn)識(shí)別,并對(duì)節(jié)點(diǎn)事件的敏感性進(jìn)行了分析比較。本文對(duì)淺埋隧道全封閉噴涂防水體系作用機(jī)理和可靠性進(jìn)行了一定的研究工作,對(duì)發(fā)現(xiàn)全封閉噴涂防水體系中的隱患和薄弱環(huán)節(jié),提高防水系統(tǒng)可靠性,指導(dǎo)隧道防排水工程的設(shè)計(jì)、施工和運(yùn)營(yíng)管理具有重要意義。
[Abstract]:In general, mine tunnel waterproof and drainage types are mostly designed as "drainage mainly", and only under special circumstances are "drainage and plugging combined" type. In recent years, with the promotion of environmental awareness, people have gradually realized that the arbitrary discharge of groundwater has caused varying degrees of damage to groundwater resources and surface ecological environment. Therefore, a new type of fully sealed spray waterproofing system for shallow tunnel is proposed in this paper. In addition, considering that the leakage disease of all kinds of tunnel engineering in our country is very common, and the waterproofing effect of tunnel is not satisfactory, a series of research work on the reliability of spraying waterproofing system is carried out based on the present situation. The main research contents and results of this paper are as follows: (1) the underground water control technology and viewpoint of tunnel engineering are studied comprehensively, and the waterproofing and drainage systems of traditional mine Fayshanling tunnel, urban tunnel and underwater tunnel in China are summarized. On this basis, a fully sealed spray waterproofing system for shallow tunnel is proposed, and its action mechanism is discussed in detail. (2) the relationship between system reliability and efficiency, project cost and schedule is discussed. The failure mode and failure reason of full seal spray waterproofing system were studied by (FMECA) technology, and the risk factors and risk values of full seal spraying waterproofing system were obtained by means of expert questionnaire. The risk factors are analyzed and compared with the risk index method and the hazard matrix diagram method. (3) the basic concept, modeling steps and analysis methods of fault tree analysis (FTA) technology for reliability and safety evaluation of large and complex systems are introduced. On the basis of this, the fault tree model of fully sealed spray waterproofing system is established, and the failure analysis work such as qualitative analysis and quantitative analysis are carried out. (4) the concept and algorithm of Bayesian network model are introduced. The Bayesian network is introduced to the reliability evaluation of fully sealed spray waterproofing system. On the basis of fault tree mapping, the Bayesian network model of fully sealed spray waterproofing is established, and the risk prediction and risk identification of fully sealed spray waterproofing system are carried out, and the sensitivity of node events is analyzed and compared. In this paper, the mechanism and reliability of the fully closed spray waterproofing system in shallow tunnel are studied, and the hidden trouble and weak link in the waterproofing system are found, and the reliability of the waterproofing system is improved. It is of great significance to guide the design, construction and operation management of tunnel waterproofing and drainage engineering.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：U453.6

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