Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia
The extraction and processing of aggregates in quarrying operations leads to environmental degradation through various engineering methods. This study investigated the geo-engineering properties of tertiary volcanic rocks mined from various sites in Sleman and Bantul District, Yogyakarta Province. A...
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| Format: | Article |
| Language: | English |
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University of Brawijaya
2025-04-01
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| Series: | Journal of Degraded and Mining Lands Management |
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| Online Access: | https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17054 |
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| author | Wawan Budianta I Wayan Warmada Ohta Hideki Jiro Takemura |
| author_facet | Wawan Budianta I Wayan Warmada Ohta Hideki Jiro Takemura |
| author_sort | Wawan Budianta |
| collection | DOAJ |
| description | The extraction and processing of aggregates in quarrying operations leads to environmental degradation through various engineering methods. This study investigated the geo-engineering properties of tertiary volcanic rocks mined from various sites in Sleman and Bantul District, Yogyakarta Province. A total of twelve rock samples were obtained from the study area. This study conducted mineralogical and geotechnical engineering investigations, including microscopic analysis, unconfined compressive strength (UCS) tests, abrasiveness tests (CAI), and rock abrasivity index (RAI) calculations. Mineralogical observation using polarisation microscopy indicated that the rock samples consist of quartz, plagioclase, lithic fragments, and volcanic glass. The UCS test showed varying rock strengths due to resistant minerals in the samples. Similarly, the CAI values varied and were influenced by the quartz mineral content, which is representative of resistant minerals. The Rock Abrasivity Index (RAI) calculation classified the samples as less abrasive, and this characteristic is also affected by quartz content. A significant correlation was observed between the quartz mineral content and the UCS, CAI, and RAI values. This relationship suggests that the quartz mineral content substantially affects the UCS, CAI, and RAI values of the rock samples in the study area. The findings of this study can be used to enhance mining practices and minimize their ecological impact. |
| format | Article |
| id | doaj-art-2b4fa9cc1ee6458f9cfd50651714de16 |
| institution | OA Journals |
| issn | 2339-076X 2502-2458 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | University of Brawijaya |
| record_format | Article |
| series | Journal of Degraded and Mining Lands Management |
| spelling | doaj-art-2b4fa9cc1ee6458f9cfd50651714de162025-08-20T01:50:37ZengUniversity of BrawijayaJournal of Degraded and Mining Lands Management2339-076X2502-24582025-04-011237839784610.15243/jdmlm.2025.123.783917056Geo-engineering characterization of mining material: A case study in Yogyakarta, IndonesiaWawan Budianta0https://orcid.org/0000-0002-5197-2235I Wayan Warmada1https://orcid.org/0000-0002-1265-180XOhta Hideki2Jiro Takemura3https://orcid.org/0000-0002-7460-921XDepartment of Geological Engineering, Faculty of Engineering, Universitas Gadjah Mada, Yogyakarta, Indonesia Department of Geological Engineering, Faculty of Engineering, Universitas Gadjah Mada, Yogyakarta, Indonesia Geotechnical Engineering Research Group, Tokyo Institute of Technology, JapanGeotechnical Engineering Research Group, Tokyo Institute of Technology, JapanThe extraction and processing of aggregates in quarrying operations leads to environmental degradation through various engineering methods. This study investigated the geo-engineering properties of tertiary volcanic rocks mined from various sites in Sleman and Bantul District, Yogyakarta Province. A total of twelve rock samples were obtained from the study area. This study conducted mineralogical and geotechnical engineering investigations, including microscopic analysis, unconfined compressive strength (UCS) tests, abrasiveness tests (CAI), and rock abrasivity index (RAI) calculations. Mineralogical observation using polarisation microscopy indicated that the rock samples consist of quartz, plagioclase, lithic fragments, and volcanic glass. The UCS test showed varying rock strengths due to resistant minerals in the samples. Similarly, the CAI values varied and were influenced by the quartz mineral content, which is representative of resistant minerals. The Rock Abrasivity Index (RAI) calculation classified the samples as less abrasive, and this characteristic is also affected by quartz content. A significant correlation was observed between the quartz mineral content and the UCS, CAI, and RAI values. This relationship suggests that the quartz mineral content substantially affects the UCS, CAI, and RAI values of the rock samples in the study area. The findings of this study can be used to enhance mining practices and minimize their ecological impact.https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17054caiengineering propertiesraitertiary volcanic rockucs |
| spellingShingle | Wawan Budianta I Wayan Warmada Ohta Hideki Jiro Takemura Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia Journal of Degraded and Mining Lands Management cai engineering properties rai tertiary volcanic rock ucs |
| title | Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia |
| title_full | Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia |
| title_fullStr | Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia |
| title_full_unstemmed | Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia |
| title_short | Geo-engineering characterization of mining material: A case study in Yogyakarta, Indonesia |
| title_sort | geo engineering characterization of mining material a case study in yogyakarta indonesia |
| topic | cai engineering properties rai tertiary volcanic rock ucs |
| url | https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17054 |
| work_keys_str_mv | AT wawanbudianta geoengineeringcharacterizationofminingmaterialacasestudyinyogyakartaindonesia AT iwayanwarmada geoengineeringcharacterizationofminingmaterialacasestudyinyogyakartaindonesia AT ohtahideki geoengineeringcharacterizationofminingmaterialacasestudyinyogyakartaindonesia AT jirotakemura geoengineeringcharacterizationofminingmaterialacasestudyinyogyakartaindonesia |