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Dimas Ardianto
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Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Eksperimen Kualitas Ketahanan Bakar Pada Briket Serbuk Kayu Menggunakan Metode Taguchi Muttaqin, Muhammad Faishal Jundana; Fredynanta Ginting S; Dimas Ardianto; Hizkia Debitus D. J; Hafidzul Muparrij
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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This study discusses an experimental approach to producing briquettes from sawdust, with the aim of evaluating their burn durability using the Taguchi method. This method was employed to identify and optimize the key factor combinations involved in briquette manufacturing. The experiment tested three main factors—charcoal composition, tapioca flour (as a natural binder), and water (as a solvent)—each at two distinct levels. Four experimental combinations were conducted based on the L4 (2^3) orthogonal array, with each experiment replicated three times to ensure data reliability. The experimental results revealed that the tapioca flour factor (B) had the greatest influence on burn durability, followed by charcoal (A), while water (C) had a negligible effect. ANOVA results indicated that factor B contributed 12.52%, factor A 4.04%, and factor C only 0.01%, with the remaining 83.43% attributed to experimental error. The optimal combination for achieving the best burn durability was A1 (80 gr of charcoal), B1 (16 gr of tapioca flour), and C1 (120 ml of water). These findings offer practical implications for the development of efficient and environmentally friendly biomass-based alternative energy, and demonstrate the effectiveness of the Taguchi method in quality optimization processes.
Penggunaan Cerucuk Kayu Dalam Menahan Deformasi Jalan (Studi Kasus: Ruas Simpang Tiga Jalan Nasional Pulang Pisau – Desa Belanti Siam Kabupaten Pulang Pisau STA 5+150) Dimas Ardianto
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Road deformation at the Pulang Pisau National Road Intersection—Belanti Siam Village STA 5+150 is caused by instability of soft soil with low bearing capacity, disrupting transportation and the local economy. This study calculates the existing safety factor (SF) without reinforcement, designs reinforcement with galam wood studs, and evaluates its effectiveness. The Bishop method is used to calculate the SF, while Mochtar's (2000) theory is used to calculate the flexural strength and horizontal force of the studs. The results show an initial SF value of 1.0022, almost critical. The 4-meter-long, 10-cm-diameter galam studs can withstand lateral forces of up to 759.4 kg. To increase the SF to a minimum of 1.5, 13-14 studs per meter are required. After installation, the SF increases to 1.5283, indicating significant improvement in slope stability. Vertical stud installation with a 30 cm spacing and wet conditions are recommended to maintain the durability of the wood. Galam studs have proven to be effective and economical for reinforcing roads on soft soils, as well as environmentally friendly. This study provides technical guidance for road reinforcement using galam wood blocks.
Co-Authors Fredynanta Ginting S Hafidzul Muparrij Hizkia Debitus D. J Muhammad Faishal Jundana Muttaqin, Muhammad Faishal Jundana