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(吉林大學(xué)建設(shè)工程學(xué)院, 長(zhǎng)春 130026)
[摘要]隨著經(jīng)濟(jì)、科技的發(fā)展,人們對(duì)建筑物抗震的要求越來越高,傳統(tǒng)的建筑施工方法,往往在樓板中配以鋼筋,本文在學(xué)習(xí)了大量的文獻(xiàn)之后,引入了一種新的建筑材料——玻璃纖維筋。并且以兩層單跨預(yù)制板框架結(jié)構(gòu)作為研究對(duì)象,建立其參數(shù)化模型,用有限元分析軟件ABAQUS對(duì)該整體結(jié)構(gòu)進(jìn)行反應(yīng)譜分析,得到其自振頻率并確定其在地震作用下的響應(yīng)。通過對(duì)比分析這兩種結(jié)構(gòu)的前3階自振頻率、兩種不同結(jié)構(gòu)的反應(yīng)譜樓層最大位移以及在反應(yīng)譜分析中不同構(gòu)件所承受的最大內(nèi)力,得出這種新的建筑材料在地震作用下能夠更好地發(fā)揮本身的優(yōu)越性,能夠很好地抵抗地震作用,從而維護(hù)建筑本身。最后給出了玻璃纖維筋在板結(jié)構(gòu)中可以取代鋼筋建議,希望對(duì)建筑結(jié)構(gòu)以后的發(fā)展有所啟示,對(duì)建筑抗震研究有所幫助。
[關(guān)鍵詞]ABAQUS; 反應(yīng)譜分析; 自振頻率; 玻璃纖維筋; 地震作用
中圖分類號(hào): TU377.9+1 文獻(xiàn)標(biāo)識(shí)碼: A 文章編號(hào): 1002-848X(2015)S2-0419-04
Response spectrum analysis of glass fiber reinforced plate structure based on ABAQUS
Wu Xingchang, Yu Li
(Construction Engineering College of Jilin University, Changchun 130026, China)
Abstract: With the development of economy and technology, the demand of seismic becomes more, with reinforcement in the floor is a traditional building construction method. After learning a lot of reference books. A two layer of a span precast slab frame structure was selected as the research object and a parametric model of grid frame was established in order to research response spectrum analysis of the whole structure with finite element analysis software ABAQUS. The static structure vibration frequency of itself was got to determine the structure response under earthquake action. Through comparative analysis of the first three natural frequencies maximum displacement of floor response spectra, the maximum internal force of different structural member in the response spectrum analysis of these two structures, obtain this new building material can better play their own advantages, can better withstand seismic action, so as to maintain the building itself. Finally, the glass fiber reinforcement in the slab structure can replace steel was suggested. Meanwhile hoping that it can have implications for the future development of the seismic research and building structure.
Keywords: ABAQUS; response spectrum analysis; self vibration frequency; glass fiber bar; seismic action
作者簡(jiǎn)介:吳興昌,碩士研究生,Email: 532155698@qq.com。
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