Perbandingan Kuat Tekan Benda Uji Beton Geopolimer Dalam Skala Laboratorium Menggunakan Bahan Prekursor Yang Berbeda

Komang Nelly Sundari, Supriyadi Supriyadi, Arifin Siagian, IGA Suradharmika
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Abstract

This study aimed to compare the compressive strength of various concrete brick compositions made from geopolymers using different clay precursors, including Pejaten clay (PJT), Darmasaba clay (DSB), Waste Tile clay (LG), and dam sediment clay (DAM). Laboratory tests were carried out after 7 days of curing, and the results showed that PJT was the most suitable precursor material for producing geopolymer-based concrete formulas that meet the requirements for solid brick concrete quality class I, with an average compressive strength of 119,926 kg/cm2. The average value of SNI requirements is at least 100 kg/cm2 based on SNI 03-0349-1989 for physical requirement quality standart of concrete bricks. DSB had a compressive strength of 88,808 kg/cm2 and was classified as class II, followed by LG with a compressive strength of 76,366 kg/cm2 and DAM with an average compressive strength of 70.71 kg/cm2, both of which belong to class II. These findings provide valuable insights into the use of different clay precursors for the production of high-quality concrete bricks.
强比较在实验室尺度上使用不同的前体材料进行试验试验
本研究旨在比较使用不同粘土前体的地聚合物制成的各种混凝土砖组合物的抗压强度,包括Pejaten粘土(PJT), Darmasaba粘土(DSB),废瓦粘土(LG)和大坝沉积物粘土(dam)。养护7天后进行室内试验,结果表明,PJT是最适合生产符合实心砖混凝土质量一级要求的地聚合物基混凝土配方的前驱体材料,其平均抗压强度为119,926 kg/cm2。根据混凝土砖物理要求质量标准SNI 03-0349-1989, SNI要求平均值至少为100kg /cm2。DSB的抗压强度为88,808 kg/cm2,属于II类;LG的抗压强度为76,366 kg/cm2, DAM的平均抗压强度为70.71 kg/cm2,属于II类。这些发现为使用不同粘土前体生产高质量混凝土砖提供了有价值的见解。
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