- 摘 要
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張望喜，段連蕊，廖莎，劉杰
（湖南大學(xué)土木工程學(xué)院， 長沙 410082）
［摘要］以振動臺試驗為基礎(chǔ)，利用ABAQUS軟件對試驗原型進(jìn)行了抗震模擬，根據(jù)模擬出的砌體模型損傷云圖及相應(yīng)受拉損傷參數(shù)（DAMAGET）值，判斷砌體結(jié)構(gòu)的裂縫位置和破壞程度。通過對比彈塑性時程分析數(shù)據(jù)與試驗結(jié)果，驗證了有限元模型各參數(shù)設(shè)置的合理性。建立三個有限元模型，比較模型間損傷參數(shù)值和結(jié)構(gòu)的層間位移角，研究構(gòu)造柱及材料強度對砌體結(jié)構(gòu)抗震性能的影響。結(jié)果表明：應(yīng)力集中的洞口附近首先出現(xiàn)受拉損傷，而構(gòu)造柱的設(shè)置可延緩其發(fā)展，此外，材料強度對結(jié)構(gòu)剛度產(chǎn)生的影響較大。
［關(guān)鍵詞］砌體結(jié)構(gòu)； 混凝土損傷塑性模型； 有限元分析； 時程分析
中圖分類號：TU311.3文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2016)01-0064-07
Dynamic elastic-plastic time-history analysis of masonry structure based on ABAQUS
Zhang Wangxi， Duan Lianrui， Liao Sha， Liu Jie
(Department of Building Engineering， Hunan University， Changsha 410082， China)
Abstract:On the basis of the shaking table test, ABAQUS software was used to simulate the seismic performance of the test prototype. According to the simulated damage cloud image of the masonry model and corresponding tensile damage parameters (DAMAGET) value, the location and damage degree of masonry structure were determined. By comparing the elastic-plastic time-history analysis data with the test results, the rationality of the parameters for finite element model was verified. Three finite element models were established to compare the damage parameter values between the models and the interlayer displacement angles of the structures. And the influences of the structural column and the material strength on the seismic performance of masonry structure were also studied. The results show that the tensile damage occurs first near the holes with stress concentration, and the structural column can delay its development. In addition, the impact of material strength on the structural stiffness is large.
Keywords:masonry structure； concrete damaged plasticity model； finite element analysis； time-history analysis
*國家自然科學(xué)基金項目（51578228，51208190，51338004）。
作者簡介：張望喜，副教授，博士，Email: wxizhang2000@163.com。
