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首页> 外文会议>International Conference on Structures and Building Materials >The Experimental Research of Carbon Fiber Confined Concrete Considering Strain Rate under Uniaxial Compression
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The Experimental Research of Carbon Fiber Confined Concrete Considering Strain Rate under Uniaxial Compression

机译：在单轴压缩下考虑应变率的碳纤维狭窄混凝土的实验研究

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In the three kinds of constraint ratio (ξ = 0.065, ξ= 0.1025, ξ=0.205), respectively, by the comparative analysis of 55 prism specimens using CFRP confined concrete(strain ratses are 10~(-5/s-1) , 10~(-4/s-1), 10~(-3/s-1) and 10~(-2/s-1), the stress-strain curves, strength, strain, elastic modulus and Poisson's ratio were studied at different constraints and different strain rate. The results show that: (1) with the strain rate increased,the inflexion strength and ultimate strength of concrete were improved; (2) with the strain rate increased, the static and dynamic elastic modulus increased slightly; (3) Poisson's ratio increased slightly with the growth strain rate.
机译：在三种约束比（χ= 0.065，χ= 0.1025，χ= 0.205）中，通过使用CFRP限制混凝土的55个棱镜样本的比较分析（菌株大鼠为10〜（-5 / s-1），研究了10〜（-4 / s-1），10〜（-3 / s-1）和10〜（-2 / s-1），研究了应力 - 应变曲线，强度，应变，弹性模量和泊松比在不同的限制和不同的应变率。结果表明：（1）随着应变速率增加，混凝土的拐点强度和极限强度得到改善;（2）随着应变速率增加，静态和动态弹性模量略有增加;（3）泊松的比率略微增加，生长率略有速度。

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