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All Journal Jurnal Teknologi dan Rekayasa Sumber Daya Air
Imtazul Murtadli
University of Brawijaya
Earth & Planetary Sciences Engineering

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Aplikasi Biogrouting Untuk Meningkatkan Kestabilan Deposit Tebing Sungai Dari Material Piroklastik Imtazul Murtadli; Andre Primantyo; Emma Yuliani
Jurnal Teknologi dan Rekayasa Sumber Daya Air Vol. 1 No. 1 (2021): Jurnal Teknologi dan Rekayasa Sumber Daya Air (JTRESDA)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtresda.2021.001.01.24

Abstract

Mount Kelud is one of the active volcanoes in Indonesia, where its eruption activity produces pyroclastic material. The mass distribution of pyroclastic material causes the probability of landslide is increasing. This study aims to investigate the physical characteristic including the classification of pyroclastic material from Mount Kelud and also to study the effectiveness of biogrouting application as a way to increase the shear strength of pyroclastic material. The initial soil sample has a well-graded condition with Gs = 2,651. After biogrouting treatment performed, the soil sample shows an increasing value of the angle of internal friction in original and fine sample, where as the coarse sample shows the opposite effect. The highest value of the angle of internal friction is owned by original gradation with w=10% and increasing percentage up to 126,18% based on the initial sample. On the other hand, the three gradations have an increasing value for cohesion parameter, with the highest increasing value owned by coarse sample by w = 10% from 0,0183 kg/cm2 to 0,7687 kg/cm2 based on natural sample as a control.
Co-Authors Andre Primantyo Emma Yuliani