本文關(guān)鍵詞：獅子洋盾構(gòu)隧道基于性能的抗震分析　出處：《西南交通大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 性能抗震 盾構(gòu)隧道 梁-彈簧模型 等效剛度模型 埋深影響

【摘要】：隨著經(jīng)濟(jì)的持續(xù)發(fā)展以及城市化進(jìn)程的加快,地震所造成的損失有不斷增加的趨勢(shì),工程結(jié)構(gòu)基于性能的抗震設(shè)計(jì)在此背景下受到了廣泛的關(guān)注。本文依托國(guó)家973計(jì)劃《近海重大交通工程結(jié)構(gòu)全壽命抗震性能評(píng)價(jià)與設(shè)計(jì)》的子課題“近海重大交通工程結(jié)構(gòu)協(xié)同設(shè)計(jì)方法”,采用資料調(diào)研、理論分析和數(shù)值模擬等研究方法,在盾構(gòu)隧道基于性能的抗震分析方面做了如下工作：(1)對(duì)工程結(jié)構(gòu)基于性能的抗震設(shè)計(jì)相關(guān)內(nèi)容進(jìn)行總結(jié),并在此基礎(chǔ)上對(duì)盾構(gòu)隧道基于性能的抗震設(shè)計(jì)研究中地震設(shè)防水平,隧道地震破壞等級(jí)進(jìn)行劃分,并選取相關(guān)性能指標(biāo)。(2)以獅子洋盾構(gòu)隧道為背景,基于梁-彈簧模型和等效剛度均質(zhì)圓環(huán)模型,采用反應(yīng)位移法和動(dòng)力時(shí)程法進(jìn)行了橫向抗震分析,研究了不同模型、不同方法計(jì)算結(jié)果的差異性。(3)基于靜力與動(dòng)力分析結(jié)果的疊加,對(duì)盾構(gòu)隧道橫向的應(yīng)力指標(biāo)和變形指標(biāo)的取值范圍進(jìn)行了分析。
[Abstract]:With the sustainable development of economy and the acceleration of urbanization, the losses caused by earthquake are increasing. The performance-based seismic design of engineering structures has received extensive attention in this context. This paper relies on the National 973 Plan "Assessment and Design of the whole Life Seismic performance of Offshore Major Traffic Engineering structures". Cooperative Design method of Offshore Major Traffic Engineering structure. The methods of data investigation, theoretical analysis and numerical simulation are used. In the shield tunnel performance-based seismic analysis, the following work is done: 1) summarize the related contents of performance-based seismic design of engineering structures. On this basis, the seismic fortification level and the earthquake damage grade of shield tunnel are divided in the performance-based seismic design research, and the relevant performance index is selected as the background of Lion Ocean Shield Tunnel. Based on the beam-spring model and the equivalent stiffness homogeneous ring model, the lateral seismic analysis is carried out by using the response displacement method and the dynamic time-process method, and the different models are studied. Based on the superposition of static and dynamic analysis results, the range of lateral stress index and deformation index of shield tunnel is analyzed.
【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】：2014
【分類號(hào)】：U452.28
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本文編號(hào)：1427794