本文選題：鋼管混凝土 + 組合剪力墻��； 參考：《東南大學(xué)》2016年碩士論文

【摘要】：鋼管混凝土組合柱和組合剪力墻具有承載力高和抗震性能好等優(yōu)點(diǎn),協(xié)同組合使用,優(yōu)勢互補(bǔ),形成鋼管混凝土框架-組合剪力墻結(jié)構(gòu)體系。相對于以往的框架-鋼筋混凝土剪力墻結(jié)構(gòu),此類結(jié)構(gòu)有效減小了豎向受力構(gòu)件的截面尺寸,減輕了結(jié)構(gòu)自重,方便建筑使用功能的合理布局,同時(shí)也降低了主體結(jié)構(gòu)及基礎(chǔ)工程的造價(jià),帶來一定的經(jīng)濟(jì)效益。論文結(jié)合實(shí)際工程,開展鋼管混凝土框架-組合剪力墻在高層建筑中的應(yīng)用研究,重點(diǎn)研究其結(jié)構(gòu)的抗震性能,具有重要的實(shí)用價(jià)值。論文主要工作和研究成果如下：本文以山西省晉中市景匯大廈為工程背景,開展了鋼管混凝土柱和組合剪力墻在我國高層建筑應(yīng)用實(shí)例的分析研究,研討了鋼管混凝土框架柱及組合剪力墻結(jié)構(gòu)的受力特點(diǎn)和承載力計(jì)算方法,提出了格柵式雙鋼板混凝土組合剪力墻的新理念,研究了鋼管混凝土框架-組合剪力墻結(jié)構(gòu)體系抗震性能的合理性和優(yōu)越性。論文開展了高層建筑結(jié)構(gòu)抗震分析方法,尤其是靜力彈塑性(Pushover)分析方法的討論,詳細(xì)分析了Pushover中能力譜法和目標(biāo)位移法的運(yùn)作流程及實(shí)施步驟,對Pushover分析過程中所采用的水平加載模式進(jìn)行了對比分析,對鋼管混凝土框架-組合剪力墻結(jié)構(gòu)體系進(jìn)行了抗震分析實(shí)用性的討論。結(jié)合實(shí)際工程,進(jìn)行了鋼管混凝土框架和型鋼混凝土組合剪力墻結(jié)構(gòu)體系的選型和布置分析討論。采用PKPM和ETABS結(jié)構(gòu)設(shè)計(jì)分析軟件,建立有限元模型,對該樓在地震力作用下的基本周期、層位移、層間位移角等抗震參數(shù)進(jìn)行對比、分析和研究,以驗(yàn)證整體結(jié)構(gòu)在多遇地震情況下參數(shù)是否滿足抗震規(guī)范要求,同時(shí)通過ETABS進(jìn)行彈性時(shí)程補(bǔ)充計(jì)算,為整體結(jié)構(gòu)提供有效的多遇地震分析和應(yīng)用判斷。開展PKPM有限元結(jié)構(gòu)模型在罕遇地震作用下的結(jié)構(gòu)靜力彈塑性分析研究,并采用PKPM軟件EPDAPUSH模塊進(jìn)行彈塑性動(dòng)力時(shí)程分析。采用Pushover分析方法時(shí),針對該樓開展了罕遇地震下抗震性能的分析研究,進(jìn)行了該樓能力譜與需求譜的Pushover關(guān)系分析研究,驗(yàn)證了鋼管混凝土框架-型鋼混凝土組合剪力墻體系應(yīng)用于高層建筑結(jié)構(gòu)中具有良好的抗震性能。最后,對鋼管混凝L框架-格柵式雙鋼板混凝土組合剪力墻新結(jié)構(gòu)體系進(jìn)行了抗震分析探究,研究表明：新的結(jié)構(gòu)體系具有更加優(yōu)良的抗震性能,具有良好的應(yīng)用前景。
[Abstract]:Concrete-filled steel tubular composite columns and composite shear walls have the advantages of high bearing capacity and good seismic performance. Compared with the previous frame-reinforced concrete shear wall structure, this kind of structure can effectively reduce the cross-section size of the vertical members, reduce the weight of the structure, and facilitate the rational layout of the function of the building. At the same time, it also reduces the cost of the main structure and foundation engineering, and brings certain economic benefits. In this paper, the application of concrete-filled steel tubular frame-composite shear wall in high-rise buildings is studied, and the aseismic performance of the structure is studied, which is of great practical value. The main work and research results are as follows: based on Jinzhong Jinzhong Jinghui Building in Shanxi Province, the concrete filled steel tubular column and composite shear wall are analyzed and studied in the application of high-rise buildings in China. This paper discusses the stress characteristics and bearing capacity calculation method of CFST frame column and composite shear wall structure, and puts forward a new concept of grid-type double-plate concrete composite shear wall. The rationality and superiority of seismic behavior of CFST frame-composite shear wall structure system are studied. In this paper, the seismic analysis methods of high-rise building structures, especially the static elastic-plastic Pushovere analysis method, are discussed. The operation flow and implementation steps of the capacity spectrum method and the target displacement method in Pushover are analyzed in detail. The horizontal loading mode used in Pushover analysis is compared and the practicability of seismic analysis of concrete-filled steel tubular frame-composite shear wall structure system is discussed. Combined with practical engineering, the selection and arrangement of steel tubular concrete frame and steel reinforced concrete composite shear wall structure system are analyzed and discussed. The finite element model is established by using PKPM and ETABS structural design and analysis software. The seismic parameters such as basic period, floor displacement and interstory displacement angle of the building under the action of earthquake force are compared, analyzed and studied. In order to verify whether the parameters of the whole structure meet the requirements of the seismic code in the case of frequent earthquakes, the elastic time-history supplementary calculation is carried out through ETABS to provide effective earthquake analysis and application judgment for the whole structure. The static elastoplastic analysis of PKPM finite element structural model under rare earthquake is carried out, and the elastoplastic dynamic time history analysis is carried out by using PKPM software EPDAPUSH module. When the Pushover analysis method is used, the seismic behavior of the building under rare earthquake is studied, and the Pushover relationship between the capacity spectrum and the demand spectrum of the building is analyzed. It is verified that the steel tubular frame-steel reinforced concrete composite shear wall system has good seismic performance in high-rise building structures. Finally, the seismic analysis of the new structure system of steel tube coagulated L frame and double steel plate concrete composite shear wall is carried out. The results show that the new structure system has better seismic performance and has a good application prospect.
【學(xué)位授予單位】：東南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TU973.16

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