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Properties of cement―rice husk mixture

机译:水泥-稻壳混合料的性能

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摘要

The properties of lightweight mortar using rice husk can benefit from pozzolanic reaction and from organic fibre reinforcement. The effect of curing and storage on 40 x 40 x 160 mm~3 OPC rice husk mortar specimens is described. Two conditions are studied; one-year storage at 50% RH and at 95% RH. The final specimen properties were characterised by density, strength, SEM, EDS and XRD. It is concluded that at high humidity storage, pozzolanic reaction is well developed but husk fibres deteriorate. The mortar stored at 50% RH has a lower compressive strength and higher flexural strength, indicating inferior pozzolanic reaction and active fibre reinforcement.
机译:使用稻壳的轻质砂浆的性能可以从火山灰反应和有机纤维增强中受益。描述了固化和储存对40 x 40 x 160 mm〜3 OPC稻壳砂浆标本的影响。研究了两个条件:在50%RH和95%RH的情况下可存放一年。样品的最终性能由密度,强度,SEM,EDS和XRD表征。结论是,在高湿度存储下,火山灰反应发展良好,但壳纤维变质。储存在50%RH下的砂浆具有较低的抗压强度和较高的抗弯强度,表明火山灰反应和活性纤维增强性能较差。

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