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All Journal Geo Media: Majalah Ilmiah dan Informasi Kegeografian TAMBANG GEA, Jurnal Pendidikan Geografi PROMINE Angkasa: Jurnal Ilmiah Bidang Teknologi Respati Jurnal Rekayasa Lingkungan Journal of Applied Geology International Journal of Hydrological and Environmental for Sustainability MINERAL Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Manusia dan Lingkungan Journal of Mining Insight Jurnal Geosaintek
R. Andy Erwin Wijaya
Institut Teknologi Nasional Yogyakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities 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 Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Analisis Kekuatan Massa Batugamping Dengan Menggunakan Kaidah Hoek-Brown Failure Criterion-Roclab di Daerah Gunung Sudo Kabupaten Gunung Kidul Yogyakarta Wijaya, R. Andy Erwin; Isnawan, Dianto
PROMINE Vol 3, No 1 (2015): PROMINE
Publisher : Jurusan Teknik Pertambangan FT UBB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.687 KB)

Abstract

The research area is a limestone quarry region prospect, located in Gunung Sudo, Gunung Kidul Regency, Special Region of Yogyakarta Province. Safety factor of bench in limestone quarry is extremely determined by rock mass quality. The aim of this research is analyzing of rock mass strength of limestone in the quarry prospect using the Hoek-Brown failure criterion.     The research used quantitative method. To obtain rock mass strength analysis of limestone needs some parameters. The main parameters are uniaxial compressive strength of intact rock, GSI, lithology, disturbance factor, unit weight and application for slope (height).To solve this analysis is assisted by Roclab software. The Roclab is a software program for determining rock mass strength parameters based on the generalized Hoek-Brown failure criterion.     Final result of the research will be used for safely mine design of the limestone quarry.  Keywords: Rock mass strength, Limestone, Roclab.
ANALISIS PENILAIAN RESIKO TERHAHAP EVALUASI RENCANA PASCATAMBANG BATUBARA MENGGUNAKAN SKALA LIKERT Aprilia Rande, Shilvyanora; Erwin Wijaya, R. Andy
PROMINE Vol 2, No 2 (2014): PROMINE
Publisher : Jurusan Teknik Pertambangan FT UBB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.687 KB)

Abstract

Mining business activities must be implemented by taking into account the principle of the living environmnet transparency, and public participation. In order to create sustainable development, the activity of mining if it is Research is done at a coal mine, and the district tabalong balangan district, south kalimantan. The results of risk assessment obtained program that has the potential negative impact of three of which is handling of the remaining fuel oil obtained score 39, a lubricant, as well as chemical the recovery of land contaminated chemical, oil, and yet obtained score 39 and monitoring of surface water and ground water obtained score 39. The aspect of the sustainability of high that is the economic aspect and social, if applied to the plan of construction is highly supportive of the map. The aspect of environmental the possibility of small Sustainable this needs to handling, the management and monitoring so that between a map extension of reclamation and post-mine plan can support each other.Keywords: Sustainable, Post-mine, Risk Assessment
ESTIMASI GEOLOGICAL STRENGTH INDEX (GSI) SYSTEM PADA LAPISAN BATUGAMPING BERONGGA DI TAMBANG KUARI BLOK SAWIR TUBAN JAWA TIMUR Erwin Wijaya, R. Andy; Karnawati, Dwikorita; ., Srijono; Wilopo, Wahyu; Isnawan, Dianto
PROMINE Vol 2, No 2 (2014): PROMINE
Publisher : Jurusan Teknik Pertambangan FT UBB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.687 KB)

Abstract

The limestone mine activity needs a good mine plan design with the result that saved for the environment. Mine design is determined by rock mass quality. The rock mass quality in each mine location is different and that is  influenced by the geological conditions. Research area is located in limestone quarry Sawir Block of Kerek District, Tuban Regency, East Java Province. In limestone quarry area, there is cavity zone which consists cavity limestone layer at the wall of quarry bench. This cavity layer in limestone quarry has occurred by solution process. The cavity layer zone has more potential as weak zone which caused failure of bench in limestone quarry area.  To analyze of the research of rock mass quality in cavity limestone layer using Geological Strength Index (GSI) system. Final result of the research is rock mass characterization specifically for cavity limestone layer. Keywords: Geological strength index, limestone, cavity layer
APLIKASI SLIDE SOFTWARE UNTUK MENGANALISIS STABILITAS LERENG PADA TAMBANG BATUGAMPING DI DAERAH GUNUNG SUDO KABUPATEN GUNUNGKIDUL Wijaya, R Andy Erwin; Isnawan, Dianto
Jurnal Teknologi Informasi RESPATI Vol 11, No 33 (2016)
Publisher : Universitas Respati Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1040.85 KB) | DOI: 10.35842/jtir.v11i33.109

Abstract

ABSTRAKBeberapa aplikasi yang berbasis informatika saat ini telah banyak digunakan di berbagai bidang sektor industri termasuk industri pertambangan. Industri pertambangan merupakan suatu industri yang melibatkan berbagai disiplin ilmu. Salah satu sub bidang pertambangan yang paling penting adalah bidang geoteknik. Analisis geoteknik merupakan tahap awal sebagai dasar untuk menentukan stabilitas lereng penambangan. Dalam analisis ini memerlukan pengamatan dan olah data yang cermat karena berhubungan erat dengan keselamatan operasional penambangan. Oleh sebab itu diperlukan suatu alat bantu untuk mempermudah analisis data stabilitas lereng secara cepat dan akurat. Aplikasi yang digunakan dalam analisis stabilitas lereng ini adalah slide software. Aplikasi software ini dapat merancang desain geometri jenjang yang meliputi tinggi dan kemiringan jenjang tambang beserta tingkat faktor keamanannya. Hasil analisis yang diperoleh akan dijadikan dasar untuk membuat model desain tambang yang aman bagi lingkungan.Tulisan ini akan membahas bagaimana cara mengaplikasikan slide software dan hasil analisis geometri jenjang dan faktor keamanannya pada tambang batugamping di daerah Gunung Sudo, Kabupaten Gunungkidul, Yogyakarta.Kata Kunci : Slide Software, Stabilitas Lereng, Tambang Batugamping
APLIKASI SPLIT DEKSTOP SOFTWARE UNTUK MENENTUKAN BUTIR BATUGAMPING BERONGGA PADA ZONA CAVITY LAYER TAMBANG KUARI BATUGAMPING DI DAERAH SALE KABUPATEN REMBANGN JAWA TENGAH Wijaya, R. Andy Erwin; Karnawati, Dwikorita; Srijono, Srijono; Wilopo, Wahyu; Isnawan, Dianto
Jurnal Teknologi Informasi RESPATI Vol 8, No 24 (2013)
Publisher : Universitas Respati Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35842/jtir.v8i24.71

Abstract

Aplikasi industri informatika saat ini telah berkembang sangat luas dalam segala sektor. Berbagai aplikasi telah dirancang yang sesuai dengan kebutuhan industri di segala bidang. Salah satu bidang industri yang banyak menggunakan teknologi informatika adalah industri pertambangan. Industri Pertambangan sangat membutuhkan teknologi informatika dalam kegiatan pengelolaan sumberdaya mineral dan merupakan aspek yang sangat penting dalam meningkatkan kinerja pertambangan saat ini. Aplikasi beberapa software sangat diperlukan dalam berbagai analisis, termasuk jenis aplikasi untuk menentukan distribusi ukuran butiran pada batuan. Aplikasi yang digunakan adalah split desktop software. Aplikasi software ini sangat akurat dan cepat dalam menganalisis distribusi masing-masing ukuran butiran batuan yang dapat mempermudah dan menghasilkan dalam visualisasi bentuk dan ukuran butiran tersebut serta distribusinya. Hasil analisis yang diperoleh akan dijadikan dasar untuk mengetahui karakteristik butiran dalam suatu batuan.  Tulisan ini akan membahas bagaimana cara mengaplikasikan split desktop software dan hasil analisis distribusi ukuran butiran pada batugamping berongga di cavity limestone layer daerah Sale, Kabupaten Rembang, Jawa Tengah. Kata Kunci : Split desktop, Ukuran Butir, Batugamping Berongga
DAMPAK DAN UPAYA PENGENDALIAN SEMBURAN LUMPUR PANAS DI PORONG SIDOARJO R. Andy Erwin Wijaya
Geo Media: Majalah Ilmiah dan Informasi Kegeografian Vol 4, No 2 (2006): Geo Media: Majalah Ilmiah dan Informasi Kegeografian
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5473.914 KB) | DOI: 10.21831/gm.v4i2.17845

Abstract

AbstrakThe gas exploration by PT Lapindo Brantas have caused hot mud flow at Porong area. Sidoarjo, East Java. The hot mund flow have flooded some locations i.e. resident, agriculture and industry areas. Contamiation of this hot mud flow have results negative impact to society health, economics and environment. This case of hot mud flow from Banjar Panji-1 well do not be caused by liquid facation after Yogyakarta earthquake but that’s because underground blowout. The hot mud flow efforts controlled can be done by snubbing unit, side tracking and relief well. Up to now the hot mud flow not be able stopped. Kata kunci : (lumpur lapindo, hot mud flow, dampak lumpur Porong)
Pemetaan Sebaran Kadar Al2O3 dan RSiO2 Pada Endapan Laterit Bauksit Menggunakan Pendekatan Metode Interpolasi Ordinary Kriging Dan Inverse Distance Weighting Hendro Purnomo; R. Andy Erwin Wijaya
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 14, No 1 (2022): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1643.009 KB) | DOI: 10.28989/angkasa.v14i1.1227

Abstract

ABSTRAK Bauksit, sebagai bijih utama aluminium, mempunyai kualitas yang baik jika mengandung kadar alumina (Al2O2) yang tinggi dan reaktif silika (RSiO2) rendah. Penelitian ini dilakukan untuk memetakan distribusi spasial kadar Al2O3 dan RSiO2 menggunakan metode interpolasi ordinary kriging (OK) dan inverse distance weighting (IDW). Fitting variogram dilakukan dengan model spherical, exponential, dan gaussian, dan pemilihan variogram dilakukan dengan parameter residual sum of square (RSS). Dalam proses interpolasi IDW menggunakan power 1, 2, 3 dan 4. Evaluasi metode interpolasi terbaik dilakukan dengan parameter root mean square error (RMSE) dan mean error (ME). Hasil penelitian menunjukkan bawa metode interpolasi OK lebih baik dibandingkan dengan metode IDW. Peta hasil interpolasi OK menggambarkan bahwa distribusi bauksit dengan konsentrasi kadar Al2O3 ≥ 48% dan RSiO2 ≤ 5% menempati kurang lebih 50% dari luas daerah penelitian. Distribusi bauksit dengan kadar tersebut masih terbuka dan menerus ke arah utara, barat dan tenggara.Kata Kunci: Bauksit, Variogram, Kriging
ESTIMASI GEOLOGICAL STRENGTH INDEX (GSI) SYSTEM PADA LAPISAN BATUGAMPING BERONGGA DI TAMBANG KUARI BLOK SAWIR TUBAN JAWA TIMUR R. Andy Erwin Wijaya; Dwikorita Karnawati; Srijono Srijono; Wahyu Wilopo; Dianto Isnawan
PROMINE Vol 2 No 2 (2014): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (860.681 KB) | DOI: 10.33019/promine.v2i2.76

Abstract

The limestone mine activity needs a good mine plan design with the result that saved for the environment. Mine design is determined by rock mass quality. The rock mass quality in each mine location is different and that is influenced by the geological conditions. Research area is located in limestone quarry Sawir Block of Kerek District, Tuban Regency, East Java Province. In limestone quarry area, there is cavity zone which consists cavity limestone layer at the wall of quarry bench. This cavity layer in limestone quarry has occurred by solution process. The cavity layer zone has more potential as weak zone which caused failure of bench in limestone quarry area. To analyze of the research of rock mass quality in cavity limestone layer using Geological Strength Index (GSI) system. Final result of the research is rock mass characterization specifically for cavity limestone layer.
ANALISIS PENILAIAN RESIKO TERHAHAP EVALUASI RENCANA PASCATAMBANG BATUBARA MENGGUNAKAN SKALA LIKERT Shilvyanora Aprilia Rande; R. Andy Erwin Wijaya
PROMINE Vol 2 No 2 (2014): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (750.768 KB) | DOI: 10.33019/promine.v2i2.81

Abstract

Mining business activities must be implemented by taking into account the principle of the living environmnet transparency, and public participation. In order to create sustainable development, the activity of mining if it is Research is done at a coal mine, and the district tabalong balangan district, south kalimantan. The results of risk assessment obtained program that has the potential negative impact of three of which is handling of the remaining fuel oil obtained score 39, a lubricant, as well as chemical the recovery of land contaminated chemical, oil, and yet obtained score 39 and monitoring of surface water and ground water obtained score 39. The aspect of the sustainability of high that is the economic aspect and social, if applied to the plan of construction is highly supportive of the map. The aspect of environmental the possibility of small Sustainable this needs to handling, the management and monitoring so that between a map extension of reclamation and post-mine plan can support each other.
Analisis Kekuatan Massa Batugamping Dengan Menggunakan Kaidah Hoek-Brown Failure Criterion-Roclab di Daerah Gunung Sudo Kabupaten Gunung Kidul Yogyakarta R. Andy Erwin Wijaya; Dianto Isnawan
PROMINE Vol 3 No 1 (2015): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (717.168 KB) | DOI: 10.33019/promine.v3i1.87

Abstract

The research area is a limestone quarry region prospect, located in Gunung Sudo, Gunung KidulRegency, Special Region of Yogyakarta Province. Safety factor of bench in limestone quarry isextremely determined by rock mass quality. The aim of this research is analyzing of rock massstrength of limestone in the quarry prospect using the Hoek-Brown failure criterion. The researchused quantitative method. To obtain rock mass strength analysis of limestone needs someparameters. The main parameters are uniaxial compressive strength of intact rock, GSI, lithology,disturbance factor, unit weight and application for slope (height). To solve this analysis is assisted byRoclab software. The Roclab is a software program for determining rock mass strength parametersbased on the generalized Hoek-Brown failure criterion. Final result of the research will be used forsafely mine design of the limestone quarry.
Co-Authors Adi Kurniadi Agung Dwi Sutrisno Albert Wabes Ambar Sutanti Bagus Wiyono Barlian Dwi Nagara Bayu Angkasa Utoro Bayurohman Pangacella Putra Dianto Isnawan Dwikorita Karnawati Faisol Mukarom Hadi Kurniawan Hendro Purnomo Hendro Purnomo hidayatullah sidiq Jannah, Salsabila Raudlotul Jesika Septiana Naema Oan Listyani, R.A.T. Mamonto, Tesya Puspita Maria Matruty MARTADI Mofu, Raynata Aprillia Muhamad Supardi Muhammad Hery Setiyawan Muhammad Hery Setiyawan Mukarrom, Faisol Novandri Kusuma Wardana Partama Misdiyanta Putri Nadya, Adinda Safitri Tiara Wulandari Sukardi Shilvyanora Aprilia Rande, Shilvyanora Srijono ., Srijono Srijono Srijono Srijono Srijono Srijono Srijono, Srijono Suhada, Akbar Supandi Theophila Listyani Retno Astuti Tyas, Yoritaning Wa Istiqomah Wahyu Bagas Yuniarto Wahyu Sugiarto Wahyu Wilopo