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All Journal Journals Mining Engineering : Bina Tambang Journal of Degraded and Mining Lands Management Sumatra Journal of Disaster, Geography and Geography Education Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Mining Journal Jurnal Teknologi Informasi dan Pendidikan Science and Environmental Journals for Postgraduate Teknomekanik Gudang Jurnal Multidisiplin Ilmu Indonesian Mining Journal Menulis: Jurnal Penelitian Nusantara
Mulya Gusman
Universitas Negeri Padang
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Evaluasi Geometri Jalan Tambang dari Front Penambangan Pit 1B Menuju Stockpile Ilahi Putri, Winda Amanah; Anaperta, Yoszi Mingsi; Gusman, Mulya; Anarta, Rudy
Journals Mining Engineering : Bina Tambang Vol 10, No 2 (2025): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan, Fakultas Teknik, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bina tambang.v10i2.135310

Abstract

Pada PT Hutamas Koado masih terdapat beberapa beberapa jalan yang belum sesuai standar seperti, grade yang terlalu tinggi yaitu 13% melebihi batas maksimum yang ditetapkan perusahaan yaitu 8%, dan masih banyak lebar jalan yang belum sesuai aturan sehingga alat terjadi antrian ketika truck melintas secara bersamaan, sehingga menyebabkan cycle time dari alat angkut bertambah. Penelitian ini mengevaluasi kesesuaian geometri jalan tambang PT Hutamas Koado terhadap standar Kepmen ESDM 1827/K/30/MEM/2018. Hasilnya menunjukkan dari 100 segmen jalan (73 lurus, 27 belok), banyak yang tidak memenuhi kriteria ideal: (1) 19 segmen jalan lurus lebih sempit dari lebar ideal 13 m, (2) seluruh jalan belok tidak mencapai lebar teoritis 22 m, (3) 32 segmen memiliki cross slope tidak ideal (standar 13 cm), (4) hanya 1 segmen yang memenuhi superelevasi ideal 0,9 m, dan (5) 5 segmen melebihi kemiringan maksimum 10% (mencapai 13,146%). Temuan ini mengindikasikan ketidaksesuaian signifikan antara desain jalan tambang dengan standar yang berlaku.
Analisis Pengaruh Lemparan Flyrock pada Aktivitas Peledakan di Pit E Utara Banko Tengah PT Bukit Asam, Tbk. Mulyanti, Aisya; A., Riam Marlina; Yulhendra, Dedi; Gusman, Mulya
Journals Mining Engineering : Bina Tambang Vol 10, No 2 (2025): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan, Fakultas Teknik, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bina tambang.v10i2.135622

Abstract

Spatial modelling of shallow groundwater quality in coastal areas with Kriging interpolation Arbi, Yaumal; Syah, Nurhasan; Umar, Iswandi; Dewata, Indang; Gusman, Mulya; Sandra, Nevy
Teknomekanik Vol. 9 No. 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v9i1.47272

Abstract

This study maps shallow coastal groundwater quality in Padang, Indonesia, using four operational parameters: potential of hydrogen (pH), electrical conductivity (EC), total dissolved solids (TDS), and salinity. We characterize spatial dependence using empirical variograms, evaluate directional anisotropy, and generate prediction surfaces with Ordinary Kriging. The variogram analysis indicates stronger spatial continuity along the coastline for EC and TDS, while salinity shows shorter continuity with a distinct directional structure, reflecting localized freshwater-seawater mixing processes. Groundwater pH remains neutral to slightly alkaline and exhibits lower spatial variability than EC, TDS, and salinity. Leave-one-out cross-validation supports the reliability of the kriging estimates at the study scale, indicating low prediction error and strong agreement between observed and predicted values. The resulting thematic maps enable a three-level quality zoning that differentiates a lower-risk northern segment, a transitional central belt, and a higher-risk southern segment consistent with seawater intrusion influence. These outputs provide a practical basis for prioritizing monitoring locations, protecting vulnerable wells, and strengthening evidence-based coastal groundwater management aligned with SDG 6 Clean Water and Sanitation and SDG 11 Sustainable Cities and Communities.
Literasi Lingkungan dan Perilaku Pro-Lingkungan Pekerja Tambang Batubara: Analisis Knowing-Doing Gap dalam Implementasi ISO 14001:2015 Febrian, Febrian; Syah, Nurhasan; Gusman, Mulya; Syafrijon, Syafrijon
Jurnal Penelitian Pendidikan IPA Vol 12 No 3 (2026): In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i3.14125

Abstract

This study examines the knowing-doing gap in environmental literacy among coal mine workers implementing ISO 14001:2015 at PT XYZ, South Sumatra. Despite being ISO 14001 certified, the gap between environmental knowledge and actual pro-environmental behavior remains a critical challenge in sustainable mining. Using a mixed-methods design, researchers surveyed 24 workers through questionnaires, semi-structured interviews, field observations, and document analysis. Environmental literacy was assessed through three dimensions: knowledge, attitudes, and behavior, based on the McBeth & Volk framework. Quantitative data were analyzed using descriptive statistics (SPSS 25), while qualitative data were analyzed through thematic analysis. The results indicate high environmental literacy knowledge (83% understand the policy) and positive attitudes (>65% agree with environmental responsibility), but low consistent behavior with only 42% attending regular training and 38% participating in reclamation programs, indicating a 41% gap. Key barriers include productivity pressures, inflexible training schedules, the absence of an incentive system, and weak management role models. ISO 14001:2015 effectively enhances the knowledge dimension through policy dissemination and audits, but fails to drive behavioral change without complementary organizational mechanisms. This research contributes to a conceptual model that integrates individual literacy with organizational determinants, demonstrating that sustainable mining requires systemic interventions beyond administrative compliance
Co-Authors A., Riam Marlina Abdul Razak Adree Octova Afaz, Triyanchy Afkar Afkar Afrinal Afrinal Agung Pujangga Ahmad Ikhsan Ainil Khalisah Aldi Fajri Ali Amran Ali Amran Alifa Alifa Andree Octova Ansosry Ansosry Aprizon Putra Arif Maulana Hadi Audia Multriwahyuni Bambang Heriyadi Baron, Adhitya Bram Subhan Maulana Catri, Indra Dedi Yulhendra Dimas Tidar Febrian Dita Aprilia Istiqamah Eri Barlian Fadel Muhammad Fadhilla Oktari Fariq Dwi Satria Diansa Fathonie Yurnia H Febrian, Febrian Fellya Septia Fauzi Femi Audya Syifa Fitri Sadilla Fitrya Monica Gus Permata Sari, Indri Hafizurahman Dwi Saputra Harmedi Yulian Saputra Heldi Heldi Heldi, Heldi Herfien Heri Prabowo Ika Desmawita Ilahi Putri, Winda Amanah Ilham Muhammad Agung ilham siddiq Ilhami Putra Indang Dewata Intan Juita Intan Maharani Besri Iskandar Iskandar Iswandi U iswandi U Jeffrey Leonardi Nurkamal Jefri Julianda Putra Jevindo Ornandi Gemvita Khairunnas Khairunnas khazana tulistra M Asy Ruseffandi Mai Ridho Purnomo Putra Marisa Meliana Fitri Mery Delvina Monalisa Monalisa Muhamad Sholichin Muhammad Abbil Raihan Muhammad Hazwafi Ardeva Muhammad Luthfi Muhammad Ridho Mulyanti, Aisya Nadia Anggraini Putri Naldo, Exwil Naya Makaristi Andrea Nevy Sandra Nopi Kohirozi Nur Efendi NUR EFENDI Nur Efendi Nurhasan Syah OCI SHANIA PUTRI olivia julianti Rahmad Fikri Raimon Kopa Ravilqi Medri Rayhan Viedyatha Riko Maiyudi Rizki Amelia Sasqia Putri Roro Rasi Putra Rudy Anarta Rugbia Natasya Rusli HAR Saldy, Tri Gamela Skunda Diliarosa Skunda Diliarosta Syafrijon, Syafrijon Tamrin Kasim trihadma trihadma Triyanchy Afaz Umar, Iswandi Wahyu Prasetyo Agus Susanto Yasmi Antara Yaumal Arbi Yoszi Mingsi Anaperta Yugo Agustino Yuli Asri