本文選題：埋地天然氣管道 + 地震損傷　； 參考：《哈爾濱工業(yè)大學(xué)》2014年碩士論文

【摘要】：生命線是人類生活和城市必需的基礎(chǔ)設(shè)施體系，它通常用于輸送污水、燃料、能源、信息、石油和天然氣等城市居民的必需品。因此，避免震區(qū)的管道系統(tǒng)出現(xiàn)嚴(yán)重破壞對(duì)各個(gè)國(guó)家的防震減災(zāi)決策均非常重要。鑒于此，，本文針對(duì)天然氣管網(wǎng)系統(tǒng)開(kāi)展了地震破壞和易損性評(píng)估。 本文針對(duì)阿拉木圖地區(qū)開(kāi)展詳細(xì)的研究和數(shù)據(jù)收集。采用ABAQUS軟件從靜力和動(dòng)力兩個(gè)方面研究地管道在地震作用下的反應(yīng)，在分析過(guò)程中進(jìn)行了土壤和管道相互作用的三維模型的簡(jiǎn)化，考慮了管道-土相互作用，考慮了影響靜態(tài)和地震荷載作用下連續(xù)管道的因素，包括：載荷材料、直徑、邊界條件、土壤特性等因素。本文用位于哈薩克斯坦的天然氣管道在8級(jí)地震作用下的反應(yīng)分析對(duì)本文所建立的天然氣管網(wǎng)有限元模型進(jìn)行了驗(yàn)證。進(jìn)一步運(yùn)用地震易損性理論，給出了天然氣管網(wǎng)的地震易損性曲線，并對(duì)管網(wǎng)的概率地震安全進(jìn)行了評(píng)估。研究發(fā)現(xiàn)：對(duì)于天然氣管道，最可能的損傷將發(fā)生在帶鉸鏈邊界條件的粘土中，鉸鏈邊界條件取決于其他類型的土壤。
[Abstract]:Lifelines are essential infrastructure systems for human life and cities. They are often used to transport sewage, fuel, energy, information, oil and natural gas and other necessities to urban residents. Therefore, it is very important for every country to avoid serious damage of pipeline system in earthquake area. In view of this, the earthquake damage and vulnerability assessment of natural gas pipeline system is carried out in this paper. This paper carries out detailed research and data collection for Almaty region. The static and dynamic responses of pipelines under earthquake are studied by using ABAQUS software. The three-dimensional model of soil and pipeline interaction is simplified and the pipe-soil interaction is considered in the process of analysis. The factors affecting the continuous pipeline under static and seismic loads are considered, including load material, diameter, boundary conditions, soil characteristics and so on. In this paper, the finite element model of the natural gas pipeline in Kazakhstan is verified by the response analysis of the gas pipeline located in Kazakhstan under the action of the earthquake of M = 8. Based on the theory of seismic vulnerability, the seismic vulnerability curve of natural gas pipeline network is given, and the probabilistic seismic safety of natural gas pipeline network is evaluated. It is found that for natural gas pipelines the most likely damage will occur in clay with hinged boundary conditions which depend on other types of soil.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TU996

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