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Pozzolanic reactivity of fly ash - API method and K-value

机译:粉煤灰的火山灰反应性-API方法和K值

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The pozzolanic reaction of fly ash in mortar was primarily examined using a K-value from Feret's law. As a result, the pozzolanic reaction would be mainly controlled by the diffusion kinetic, and the diffusion constant would increase with water content in the mortar. The K-value is useful to estimate the degree of the pozzolanic reaction of mortar. Secondly, the relation between K-value and assessed pozzolanic activity index derived from accelerated chemical test (API method) was inspected. It is concluded that the API is one of the useful acceleration methods to evaluate the degree of the pozzolanic activity, because API has a good relation with K-value.
机译:粉煤灰在砂浆中的火山灰反应主要使用费雷定律的K值进行检验。结果,火山灰反应将主要由扩散动力学控制,并且扩散常数将随着砂浆中的水含量而增加。 K值可用于估计砂浆的火山灰反应程度。其次,检查了由加速化学试验(API方法)得出的K值与评估的火山灰活性指数之间的关系。结论是API是评估火山灰活动程度的有用加速方法之一,因为API与K值具有良好的关系。

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