Menentukan Proporsi Campuran Mortar yang Tepat dengan Pemanfaatan Limbah Fly Ash dan Bottom Ash Ditinjau dari Kuat Tekan

Y. Saputro, Decky Rochmanto, Wahyu Setyo Darmoko, Muhrodi Muhrodi, Khotibul Umam
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引用次数: 1

Abstract

The increase in the amount of fly ash and bottom ash waste every year requires proper management and utilization. In the manufacture of concrete, the use of fly ash and bottom ash can be used as a substitute material. However, it has not been utilized in making species in construction. This is because the exact proportion has not been obtained. The purpose of this study was to determine the correct proportions in the mortar with a mixture of fly ash and bottom ash. The research was carried out using experimental methods in the laboratory with cube-shaped specimens (5 x 5 x 5 cm) with 2 kinds of ratios between binder and fine aggregate, namely 1:2 and 1:4, each having a different percentage of sand and bottom ash, starting from from 20% to 80%. While the fly ash used is 10%. Tests carried out included material tests (Metal Oxidation Concentration Test and Sieve Analysis), and compressive strength tests (14 and 28 days). The results showed that the highest mortar compressive strength was at a ratio of 1:2 with fly ash as a cement mixture of 10% and bottom ash as a sand mixture of 20% with a compressive strength value of 16.8 MPa at the age of the specimen 28 days. The compressive strength value is in accordance with the provisions of SNI 03-6825-2002. The results of this study can be used by the community in making plaster work and can reduce the amount of waste that exists today.
根据强压,确定由飞灰废物使用而成的精确比例
粉煤灰和底灰废物的产生量每年都在增加,需要合理的管理和利用。在混凝土的制造中,粉煤灰和底灰的使用可以作为替代材料。然而,它还没有被用于建造物种。这是因为还没有得到确切的比例。本研究的目的是确定粉煤灰和底灰的混合物在砂浆中的正确比例。采用实验室试验方法,采用5 × 5 × 5 cm的立方体试样,采用1:2和1:4两种粘结剂与细骨料的比例,每种比例的砂和底灰比例不同,从20%到80%不等。而粉煤灰用量为10%。进行的试验包括材料试验(金属氧化浓度试验和筛分分析)和抗压强度试验(14天和28天)。结果表明:当粉煤灰与水泥混合料的比例为10%,底灰与砂混合料的比例为20%时,砂浆抗压强度达到1:2,试件龄期28 d时抗压强度值为16.8 MPa;抗压强度值符合SNI 03-6825-2002的规定。这项研究的结果可以被社区用于制作石膏工作,并可以减少目前存在的废物量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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