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Viscoelasticity: A new perspective on correlation between concrete creep and damping
Construction and Building Materials ( IF 7.4 ) Pub Date : 2020-09-11 , DOI: 10.1016/j.conbuildmat.2020.120557
Shengqi Mei , Yuanfeng Wang

Concrete creep and damping are related to reinforced concrete structural static and dynamic performance respectively. Comprehensive investigation of the fundamental behavior of concrete under dynamic and static loading is quite significant to material science of concrete. However, over more than a hundred years since concrete creep was found, it was seldom studied jointly with concrete damping. This paper analyzed the correlation between concrete damping and creep from the perspective of viscoelasticity. Firstly, concrete creep and damping tests under different loading rates were conducted to prove that the damping and creep characteristics of concrete are related to viscoelasticity of concrete. Secondly, in terms of theoretical calculation, a new conversion formula of concrete creep and damping was proposed based on viscoelastic theory. Comparison with experimental results shows that the proposed conversion formula is applicable to concrete.



中文翻译:

粘弹性:混凝土蠕变与阻尼相关性的新观点

混凝土的蠕变和阻尼分别与钢筋混凝土结构的静态和动态性能有关。对动静载荷作用下混凝土基本性能的综合研究对混凝土的材料科学具有重要意义。但是,自从发现混凝土蠕变一百多年以来,很少与混凝土阻尼一起进行研究。本文从粘弹性的角度分析了混凝土阻尼与蠕变之间的关系。首先,进行了不同荷载率下的混凝土蠕变和阻尼试验,以证明混凝土的阻尼和蠕变特性与混凝土的粘弹性有关。其次,从理论计算的角度出发,基于粘弹性理论提出了混凝土蠕变与阻尼转换的新公式。

更新日期:2020-09-11
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