本文選題：基礎(chǔ)隔震 + 抗震性能��； 參考：《安徽理工大學(xué)》2017年碩士論文

【摘要】：地震的發(fā)生是小概率事件,但是如果一旦發(fā)生將會(huì)造成無(wú)法挽回的經(jīng)濟(jì)損失和嚴(yán)重的人員傷亡。因此把建筑物的抗震設(shè)防工作放在首位是每個(gè)國(guó)家都無(wú)法推卸的責(zé)任與義務(wù),為了真正提高建筑物的抗震設(shè)防等級(jí),世界各國(guó)的工程技術(shù)人員都在日以繼夜的研究抗震理論和試驗(yàn)分析,直到在建筑物中應(yīng)用隔震技術(shù),才能夠真正保證建筑物在地震中不倒塌,從而可以從實(shí)際意義上對(duì)生命財(cái)產(chǎn)安全提供保障。本文就基礎(chǔ)隔震的分析作了以下研究:首先對(duì)基礎(chǔ)隔震技術(shù)的發(fā)展和應(yīng)用現(xiàn)狀進(jìn)行論述,表明基礎(chǔ)隔震技術(shù)在抗震方面的歷史悠久以及在現(xiàn)代社會(huì)中存在大量運(yùn)用基礎(chǔ)隔震技術(shù)的建筑物。并且對(duì)隔震技術(shù)的原理進(jìn)行了詳盡的描述,其次簡(jiǎn)單介紹了隔震支座的分類和構(gòu)造,從而更加說(shuō)明隔震技術(shù)的發(fā)展廣泛性和實(shí)用性。然后描述了基礎(chǔ)隔震的原理,推導(dǎo)了 Mewmark法的數(shù)值積分過(guò)程。最后根據(jù)前面的基本原理和分析方法運(yùn)用大型有限元通用軟件ANSYS建立了基礎(chǔ)隔震支座的2跨5層的有限元分析模型,對(duì)基礎(chǔ)隔震混凝土框架結(jié)構(gòu)模型運(yùn)用大型有限元軟件ANSYS進(jìn)行了在罕遇地震EL-Centro波、天津波、遷安波的時(shí)程分析,與傳統(tǒng)抗震結(jié)構(gòu)進(jìn)行對(duì)比。最后運(yùn)用通用有限元軟件SAP2000對(duì)結(jié)構(gòu)進(jìn)行了 Pushover分析,簡(jiǎn)單介紹了能力譜分析方法,同時(shí)討論并且分析了適合于隔震結(jié)構(gòu)體系的Pushover實(shí)現(xiàn)方法和側(cè)向力加載模式,通過(guò)與非線性時(shí)程分析結(jié)果的對(duì)比,驗(yàn)證該方法的可靠性以及表明Pushover分析方法在抗震分析的有效性。
[Abstract]:The occurrence of earthquake is a small probability event, but if it occurs, it will cause irreparable economic loss and serious casualties. Therefore, it is an unshirkable responsibility and obligation for every country to put the seismic fortification of buildings in the first place. In order to really improve the seismic fortification level of buildings, Engineers and technicians from all over the world are studying seismic theory and experimental analysis day and night, until the application of isolation technology in buildings can truly ensure that buildings do not collapse in the earthquake. Thus, the safety of life and property can be guaranteed in practical sense. In this paper, the analysis of foundation isolation is studied as follows: firstly, the development and application of foundation isolation technology are discussed. The results show that the foundation isolation technology has a long history in earthquake resistance and there are a lot of buildings which use the foundation isolation technology in modern society. The principle of isolation technology is described in detail. Secondly, the classification and structure of isolation support are briefly introduced, so that the development of isolation technology is more extensive and practical. Then the principle of base isolation is described, and the numerical integration process of Mewmark method is deduced. At last, according to the basic principle and analysis method, the finite element analysis model of the base isolation bearing is established by using the large finite element software ANSYS, which is 2-span and 5-story. The time-history analysis of EL-Centro wave, Tianjin wave and Qian'an wave in rare earthquake by using the large-scale finite element software ANSYS is carried out for the concrete frame structure model of foundation isolation, which is compared with the traditional seismic structure. Finally, the Pushover analysis of the structure is carried out by using the universal finite element software SAP2000, and the method of capacity spectrum analysis is briefly introduced. At the same time, the realization method of Pushover and the lateral force loading mode suitable for the isolated structure system are discussed and analyzed. Compared with the results of nonlinear time-history analysis, the reliability of the method is verified and the validity of the Pushover analysis method in seismic analysis is demonstrated.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU352.12

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