石膏和灰C型飞行对强压砂浆的影响

Aulia Rahman
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摘要

石膏和粉煤灰的使用在印度尼西亚的建筑中非常普遍。这两种材料的使用都是因为印度尼西亚丰富的自然潜力。之所以选择石膏,是因为它与水泥的化学成分相同,都是钙(Ca),而C型粉煤灰的含量也相同。通过结合这两种材料,研究人员试图研究它们对砂浆抗压强度的影响。水泥的掺量分别从100%、50%、25%和0%降低,其余部分由石膏和C型粉煤灰组合代替。然后,在7天和14天时对样品进行测试,以观察硬化早期的抗压强度性能。不含取代基的试样抗压强度最高,为23.3 MPa,随着水泥掺量的减少,抗压强度不断降低,仅含石膏和粉煤灰的试样抗压强度最低,为7 MPa。仅含25%水泥的样品4的性能有明显提高,但表明其原因不是成分,而是其他因素,如水比和压实。关键词:石膏,C型粉煤灰,砂浆。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PENGARUH KOMBINASI GYPSUM DAN FLY ASH TIPE C PADA KUAT TEKAN MORTAR
The use of gypsum and fly ash is very common in construction of Indonesia. Both of these materials are used because of Indonesia's rich natural potential. Gypsum was chosen because it has the same chemical composition as cement, which is calcium (Ca), while type C fly ash also shows the same content. By combining the two materials, the researchers tried to study their impact on the compressive strength of mortar. The proportion of cement was reduced from 100%, 50%, 25%, and 0%, while the rest was replaced by a combination of gypsum and type C fly ash. Then, the samples were tested at the age of 7 and 14 days to see the compressive strength performance on early days of hardening. Samples with no substituent composition showed the highest compressive strength of 23.3 MPa, then it continued to decrease as the cement mixture became less, until the lowest was 7 MPa in samples composed only of gypsum and fly ash. There was a significant increase in performance of sample 4 which only contained 25% cement, but it was indicated that the cause was not due to composition, but other factors such as water ratio and compaction. Keywords: gypsum, type C fly ash, mortar.
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