【摘要】：隨著各種建筑阻尼器的產(chǎn)生,建筑減震技術(shù)得到了快速發(fā)展。為研究新型的復(fù)合金屬阻尼器在高層框筒結(jié)構(gòu)中的減震效果,本文利用PKPM、SAP2000、 ABAQUS等軟件,對安裝有復(fù)合金屬阻尼器的高層框筒結(jié)構(gòu)進(jìn)行地震響應(yīng)模擬分析,通過彈塑性模擬分析,發(fā)現(xiàn)金屬阻尼器應(yīng)用在高層框筒結(jié)構(gòu)中可以起到有效的減震作用。論文具體研究內(nèi)容如下： 1、論文利用PKPM軟件建立無阻尼器的高層框筒結(jié)構(gòu)模型,利用轉(zhuǎn)換程序?qū)⒋四Ｐ娃D(zhuǎn)換成ETABS模型,再將ETABS模型導(dǎo)入到SAP2000中,在SAP2000中完善模型,利用SAP2000中的線性分析功能對完善后的模型進(jìn)行線性地震響應(yīng)分析。 2、為解決ABAQUS建模的繁瑣性,利用PKPM軟件建模的方便性,論文應(yīng)用MATLAB語言編寫程序,將PKPM中建立的高層框筒結(jié)構(gòu)模型讀寫到ABAQUS中,研究出了一套不用直接在ABAQUS中建模的結(jié)構(gòu)彈塑性地震動響應(yīng)分析方法。 3、論文在PKPM中建立了無阻尼器的高層框筒結(jié)構(gòu)模型,將此模型讀取到ABAQUS,然后在ABAQUS中增加阻尼器、完善模型,進(jìn)行彈塑性地震響應(yīng)分析。通過彈塑性地震響應(yīng)分析,發(fā)現(xiàn)加設(shè)金屬阻尼器的高層框筒結(jié)構(gòu)在地震響應(yīng)下的層問位移角、層位移及核心筒的損傷程度與未加設(shè)金屬阻尼器的高層框筒結(jié)構(gòu)對比而言均有大幅度的減小,說明金屬阻尼器在高層框筒結(jié)構(gòu)中具有較好的減震效果。 綜上所述,通過本文對高層框筒結(jié)構(gòu)的地震動響應(yīng)模擬分析可知,設(shè)置金屬阻尼器可以有效的減小結(jié)構(gòu)在7度罕遇地震作用下的響應(yīng),保證結(jié)構(gòu)的層間位移角保持在規(guī)范規(guī)定的限值之內(nèi)。同時文中提及的將PKPM中模型讀取到ABAQUS中的程序,省去了在ABAQUS中直接建模的繁瑣過程,為以后該類結(jié)構(gòu)的分析提供了方便。
[Abstract]:With the emergence of various building dampers, building damping technology has been developed rapidly. In order to study the shock absorption effect of a new type of composite metal dampers in high-rise frame-tube structures, this paper uses PKPM,SAP2000, ABAQUS and other software to simulate and analyze the seismic response of high-rise frame-tube structures with composite metal dampers. Through elastic-plastic simulation analysis, it is found that metal dampers can play an effective role in shock absorption of high-rise frame-tube structures. The specific research contents of this paper are as follows: 1. The high-rise frame-tube structure model without dampers is established by using PKPM software, the model is transformed into ETABS model by conversion program, then the ETABS model is imported into SAP2000, the model is perfected in SAP2000, and the linear analysis function of SAP2000 is used to analyze the linear seismic response of the improved model. 2. In order to solve the triviality of ABAQUS modeling and the convenience of PKPM software modeling, the high-rise frame-tube structure model established in PKPM is read and written into ABAQUS by MATLAB language, and a set of elastic-plastic ground motion response analysis method of structure without modeling directly in ABAQUS is developed. 3. In this paper, a high-rise frame-tube structure model without dampers is established in PKPM. The model is read to ABAQUS, and then the dampers are added to ABAQUS to perfect the model, and the elastic-plastic seismic response analysis is carried out. Through the elastic-plastic seismic response analysis, it is found that the displacement angle, the layer displacement and the damage degree of the core tube of the high-rise frame-tube structure with metal dampers are greatly reduced compared with those of the high-rise frame-tube structure without metal dampers, which indicates that the metal dampers have a better damping effect in the high-rise frame-tube structures. To sum up, through the simulation analysis of the ground motion response of the high-rise frame-tube structure in this paper, it can be seen that the metal dampers can effectively reduce the response of the structure under the rare earthquake of 7 degrees, and ensure that the interstory displacement angle of the structure is kept within the limit value specified in the code. At the same time, the program of reading the model from PKPM to ABAQUS saves the tedious process of modeling directly in ABAQUS, and provides convenience for the analysis of this kind of structure in the future.
【學(xué)位授予單位】：西南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TU973.31

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相關(guān)期刊論文 前1條

1 干洪;胡建安;;大底盤框架結(jié)構(gòu)的減震性能分析[J];安徽建筑工業(yè)學(xué)院學(xué)報(自然科學(xué)版);2012年04期

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本文編號：2499950