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首页> 外文期刊>Journal of Civil, Construction and Environmental Engineering >Effect of Curing Methods on the Compressive Strength of Kenaf Stabilised ‘Green’ Lateritic Mortar
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Effect of Curing Methods on the Compressive Strength of Kenaf Stabilised ‘Green’ Lateritic Mortar

机译：养护方法对红麻稳定化“绿色”红土砂浆抗压强度的影响

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摘要

The study considered the effects of curing methods on the compressive strength of kenaf stabilised lateritic mortar at 1:5 and 1:10 cement-aggregate mix ratio. Composition of the mortar for each of the cement mix ratios was also substituted with kenaf fibres at 0, 0.5, 1.0, 1.5, 2.0 and 2.5% by weight. The effects of these factors on compressive strength of the green mortar revealed that at 1:5 cement mix, the values obtained from 28 days compressive strength of water cured samples revealed that, the kenaf replacement level should not exceed 1.0% while for air curing it should not exceed 1.5% in order to satisfy the ASTM C279 standard for O type mortar. However at 28 days the compressive strength of the samples at 1:10 cement mix did not meet the ASTM C279 standard for O and N type mortar thus indicating that binder strength was inadequate. In general the failure in kenaf fibrous mortar samples was observed to have been slow and gradual, compared to the instantaneous nature of failure observed in the pure cement-aggregate samples.
机译：该研究考虑了养护方法对洋麻稳定红土砂浆在1：5和1:10水泥骨料混合比下的抗压强度的影响。也用0、0.5、1.0、1.5、2.0和2.5重量％的洋麻纤维代替每种水泥混合比的灰浆的组成。这些因素对生砂浆抗压强度的影响表明，在水泥混合比为1：5时，从水固化样品的28天抗压强度获得的值表明，洋麻的置换水平不应超过1.0％，而空气固化时为满足O型砂浆的ASTM C279标准，其含量不应超过1.5％。但是，在28天时，样品在1:10水泥混合料下的抗压强度未达到O和N型砂浆的ASTM C279标准，因此表明粘结强度不足。通常，与纯水泥骨料样品中观察到的瞬时破坏性质相比，洋麻纤维砂浆样本中的破坏观察到缓慢而缓慢。

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