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All Journal PROMINE Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Rekayasa Tropis, Teknologi, dan Inovasi (RETROTEKIN)
Ketut Swarningsih
Universitas Mulawarman
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Journal : PROMINE

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PENGARUH NILAI KUAT TEKAN BATUPASIR TERHADAP PERBEDAAN KONDISI FISIK DI KOTA SAMARINDA PROVINSI KALIMANTAN TIMUR Ketut Swarningsih; Revia Oktaviani; Henny Magdalena; Tommy Trides; Lucia Litha Respati
PROMINE Vol 10 No 1 (2022): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v10i1.3273

Abstract

Rock strength is the ability of a rock to maintain its strength until it breaks when given force. The purpose of this study is to determine the comparison of rock strength values in different physical conditions, namely natural, saturated, dry conditions and 2 wet-dry cycles on sandstones by testing uniaxial compressive strength according to SNI standards 2825-2008. The results of compressive strength testing at two different locations showed that the condition of the rocks around the Samarinda region was weak to moderate, with strength values at location 1 ranging from 1.61 – 14.31 MPa and at location 2 ranging from 8.26 – 36.27 MPa. The Elastic Modulus obtained at location 1 ranges from 1.88 -18.60 and at location 2 it ranges from 8.26 – 37.928. The more to the West from the city of Samarinda, the strength of the rocks is increasing. With the treatment of rocks that undergo repeated wet-dry processes, it does not cause a decrease in rock strength compared to the condition of rocks undergoing saturation. This is because the amount of water content that is large enough in saturated conditions results in weakening of the rock. The lower the water content, the stronger a rock.
Co-Authors Henny Magdalena Joe Vandame Lucia Litha Respati Revia Oktaviani Revia Oktaviani Revia Oktaviani Tommy Trides