首页> 外文会议>International PhD Symposium in Civil Engineering vol.2; 20040616-19; Delft(NL) >Microstructural aspects of cement hydration - ultrasonic waves and numerical simulation
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Microstructural aspects of cement hydration - ultrasonic waves and numerical simulation

机译:水泥水化的微观结构-超声波与数值模拟。

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摘要

In this paper, an ultrasonic shear wave reflection method was adopted to mimic the microstructural evolution of hydrating Portland cement pastes with different water/cement-ratios (0.35,0.5 and 0.6) cured under a constant temperature of 25℃. The reflection coefficient measured with this technique was correlated to microstructural parameters of the cement pastes. The application of numerical simulation has shown that the ultrasonic wave reflection technique can be used to efficiently monitor the microstructural evolution of cementitious materials.
机译:本文采用超声剪切波反射法模拟了在25℃恒温下固化的水/水泥比(0.35、0.5和0.6)的水化硅酸盐水泥浆的微观结构演变。用该技术测得的反射系数与水泥浆的微结构参数相关。数值模拟的应用表明,超声波反射技术可以有效地监测胶凝材料的微观结构演变。

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