Sri Anggraeni, Asep Bayu Dani Nandiyanto, Zia Nazaliah Ainisyifa, Dina Trianadewi, Hilda Yanuar Abadi, Nissa Nur Azizah, Dwi Fitria Al Husaeni, Adam Siswanto
This study aims to investigate the effect of the quality of paving blocks with variations in the composition of corncob ash and rubbing ash. The novelty of this research is (1) variations in the composition of paving block materials; (2) a mixture of additional biomass paving block materials. Biomass was burnt with a temperature of 450o C (7 hours), refining, filtering, mixing materials, stamping, drying, and testing. We varied samples without and with the addition of biomass (with the ratio of corncob ash: rubbing ash 10.67/2.67; 8.00/5.33; 5.33/8.00; 2.67/10.67), then tested the sample mechanically by compressive strength and water absorption. The results of this study indicated that the addition of biomass affected the characteristics, strength, and absorption of paving blocks. The paving block that had the best compressive strength was corncob ash: rubbing ash of 8.00/5.33 with a compressive strength value of 92.00 N. Meanwhile, the paving block that has the highest absorption capacity of 6.23%, was corncob ash: rubbing ash of 10.67/2.67. This study demonstrated the use of biomass materials as an alternative to additives that can be used daily in making paving blocks. © School of Engineering, Taylor’s University.
Fakultas Pendidikan Matematika dan Ilmu Pengetahuan Alam, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No. 229, Isola, Bandung, 40154, Indonesia
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