RESPONSE ANALYSIS OF VISCOELASTIC CONCRETE FRAME STRUCTURES
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摘要: 基于粘弹性理论,采用三参量线粘弹性模型,构造了混凝土框架结构的平面有限元模型,编制了有限元程序,通过对混凝土框架的响应计算,分析了混凝土在长期荷载作用下的徐变规律,并可预测结构的徐变达到稳定的时间。Abstract: Based on the viscoelastic theory, it was proposed the plane finite element model of concrete frame structures, in which a linear three-parameter viscoelastic model was adopted. The program of finite element was developed and used in analyzing the response of concrete frame structures and the creep law of concrete. The numerical results could be used to forecast the time when the creep reaches stability.
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Key words:
- viscoelastic /
- frame structures /
- finite element method /
- response
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Boltzmann L.Zur Theorie Der Elastichen Nachwirkung.Sitzsber Akad.Wiss.Wien,1874,70:275-306 [2] 程晓东,叶贵如.长期荷载作用下钢管混凝土压弯构件徐变的三维有限元分析.哈尔滨工业大学学报,2003,35(8):129-132
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