【摘要】：目前,我國城市化進(jìn)程的不斷加快,城市空間資源不足這一問題逐漸凸顯出來,而地鐵的建設(shè)可以大大緩解地面交通的壓力,減小城市地面空間的需求。但是往往城市地面建筑己高樓林立,地鐵才開始規(guī)劃修建地鐵,另外線路的相交也致使車站越來越深,這種地下空間開發(fā)的滯后給地鐵后期修建帶來了不少困難,也給工程建設(shè)的安全性。特別是地鐵車站建設(shè)的安全性提出了嚴(yán)峻的挑戰(zhàn)。本文對(duì)地鐵建設(shè)中遇到的近建筑物深基坑施工安全風(fēng)險(xiǎn)因素及評(píng)估進(jìn)行了深入理論研究。全文共分六個(gè)部分。第一章是緒論,闡述安全風(fēng)險(xiǎn)因素致因理論的研究背景及現(xiàn)狀,并且通過對(duì)現(xiàn)有文獻(xiàn)的研究,然后給出研究方法;第二章總結(jié)近建筑物深基坑的施工特性以及危險(xiǎn)源;第三章通過危險(xiǎn)識(shí)別和事故致因機(jī)理研究,以及現(xiàn)場(chǎng)調(diào)查,綜合設(shè)計(jì)出近建筑物深基坑施工安全關(guān)鍵影響因素體系;第四章,運(yùn)用層次分析法(AHP),構(gòu)造兩兩比較判斷矩陣,計(jì)算出深基坑近接既有建筑物時(shí)的安全風(fēng)險(xiǎn)評(píng)價(jià)指標(biāo)體系各層因素間的相對(duì)權(quán)重。第五章研究可拓理論和物元的基本問題,構(gòu)建了評(píng)價(jià)指標(biāo)體系,并基于物元可拓理論進(jìn)行建模,對(duì)近建筑物深基坑的施工安全風(fēng)險(xiǎn)進(jìn)行多因素綜合評(píng)估;第六章節(jié)是結(jié)論和展望,包括本文研究所得到的結(jié)論以及進(jìn)一步做出研究的方向。
[Abstract]:At present, with the rapid development of urbanization in our country, the shortage of urban space resources is becoming more and more obvious. The construction of subway can greatly relieve the pressure of ground transportation and reduce the demand of urban ground space. However, often the ground buildings in cities are already full of tall buildings, and the subway has only begun to plan and build the subway. In addition, the intersection of the lines also causes the stations to become deeper and deeper. This kind of lag in the development of underground space has brought a lot of difficulties to the later construction of the subway. It also gives safety to the construction of the project. In particular, the safety of subway station construction put forward a severe challenge. This paper makes a deep theoretical study on the risk factors and evaluation of the construction safety of the near building deep foundation pit in subway construction. The full text is divided into six parts. The first chapter is the introduction, expounding the research background and present situation of the safety risk factor cause theory, and through the research to the existing literature, then gives the research method, the second chapter summarizes the construction characteristic and the dangerous source of the deep foundation pit near the building; In the third chapter, through the research of hazard identification and accident cause mechanism, as well as the field investigation, the key influencing factors system of the construction safety of the near building deep foundation pit is designed synthetically. In the fourth chapter, the comparative judgment matrix is constructed by using the analytic hierarchy process (AHP), and the relative weights among the factors in the safety risk evaluation index system are calculated when the deep foundation pit is close to the existing building. In the fifth chapter, the basic problems of extension theory and matter-element are studied, and the evaluation index system is constructed, and based on the matter-element extension theory, the multi-factor comprehensive assessment of the construction safety risk of the deep foundation pit near the building is carried out. The sixth chapter is the conclusion and prospect, including the conclusion of this paper and the direction of further research.
【學(xué)位授予單位】：石家莊鐵道大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU753

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