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Monte Carlo Simulation to Predict Rock Fragmentation Results from Blasting Activity at Quarry PT. Semen Padang Muhammad Hazwafi Ardeva; Mulya Gusman; Dedi Yulhendra
Journals Mining Engineering : Bina Tambang Vol 9, No 1 (2024): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v9i1.127789

Abstract

One aspect and factor that is very important in the blasting stage is rock fragmentation, which has a direct impact on drilling costs, blasting costs and operational economics, both loading, transportation and crushing. As time progresses, new technological advances for the application of blasting have developed. This technology is to computerize blast design and predict the results of the explosion, which is rock fragmentation. Many factors influence rock fragmentation, such as the nature of the rock mass, geological location conditions, explosion and fracture parameters present in place, so it is difficult to predict completely. However, empirical models to predict the size distribution of rock fragmentation have been developed. In this study, Monte Carlo simulation as a rock fragmentation simulator based on the Kuz-Ram fragmentation model has been developed to predict fragmentation size distribution. The results obtained from this Monte Carlo simulation can be said to be quite good when compared with the actual data fragmentation obtained from field conditions.
Environmental and Social Impacts of Urbanization: Strategies for Achieving Sustainable Development Afaz, Triyanchy; Afkar, Afkar; Syah, Nurhasan; Heldi, Heldi; Catri, Indra; Gusman, Mulya
Science and Environmental Journal for Postgraduate Vol 7 No 1 (2024): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Postgraduate School, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v7i1.272

Abstract

Urbanization has significantly increased alongside economic growth and social change, bringing both opportunities and challenges, particularly in environmental and social contexts. This study aims to analyze the environmental and social impacts of urbanization in relation to sustainable development, using a comprehensive literature review of 50 relevant articles published between 2019 and 2024. The analysis focused on two main themes: the environmental and social consequences of urbanization and strategies for achieving sustainability. The results reveal that urbanization contributes positively to economic growth, access to education, and healthcare, but negatively impacts the environment and social equity. Key challenges include pollution, waste generation, climate change, limited affordable housing, and social inequalities. Notable strategies for sustainable urbanization include effective waste management, clean energy adoption, and green city initiatives. Research from Jambi and Serang highlights community involvement in waste reduction and the promotion of renewable energy as vital components for urban sustainability. The study concludes that sustainable urban planning, emphasizing integrated solutions across environmental, economic, and social domains, is crucial for mitigating urbanization's negative impacts. Collaborative efforts among policymakers, local communities, and researchers are essential to create inclusive and resilient cities aligned with sustainable development goals.
Pengelolaan Sumber Daya Bahan Galian Tambang Pasir dan Kerikil di Provinsi Sumatera Barat Fadhilla Oktari; Rizki Amelia Sasqia Putri; Mulya Gusman; Iswandi U; Ali Amran
Menulis: Jurnal Penelitian Nusantara Vol. 1 No. 6 (2025): Menulis - Juni
Publisher : PT. Padang Tekno Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/menulis.v1i6.465

Abstract

Penelitian ini bertujuan untuk menganalisis pengelolaan sumber daya bahan galian tambang pasir dan kerikil di Provinsi Sumatera Barat dengan fokus pada dampak lingkungan serta upaya pengelolaan berkelanjutan. Kajian dilakukan melalui studi literatur dari berbagai sumber ilmiah yang relevan, dengan pendekatan kualitatif deskriptif untuk mengidentifikasi kondisi pengelolaan, dampak ekologis, serta strategi mitigasi yang diterapkan. Hasil analisis menunjukkan bahwa aktivitas penambangan pasir dan kerikil di wilayah tersebut berpotensi menimbulkan degradasi lahan, sedimentasi sungai, pencemaran air, dan gangguan ekosistem jika tidak dikelola secara optimal. Upaya pengelolaan yang meliputi penerapan regulasi, rehabilitasi lahan pasca-tambang, pengawasan lingkungan, serta pelibatan masyarakat lokal terbukti efektif dalam mengurangi dampak negatif tersebut. Penelitian ini menegaskan pentingnya penerapan prinsip pengelolaan sumber daya alam yang berkelanjutan dan kolaboratif untuk menjaga keseimbangan antara pemanfaatan bahan galian dan kelestarian lingkungan di Provinsi Sumatera Barat.
Pengelolaan Sampah Organik Di Lingkungan Sekolah: Strategi Edukasi Dan Implementasi Ekonomi Sirkular Gus Permata Sari, Indri; Harmedi Yulian Saputra; Mulya Gusman; Iswandi U; Ali Amran
Gudang Jurnal Multidisiplin Ilmu Vol. 3 No. 6 (2025): GJMI - JUNI
Publisher : PT. Gudang Pustaka Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/gjmi.v3i6.1648

Abstract

Pengelolaan sampah organik di lingkungan sekolah menjadi bagian penting dalam upaya membangun kesadaran lingkungan dan penerapan prinsip berkelanjutan sejak usia dini. Penelitian ini menggunakan metode kajian literatur (literature review) dengan menelaah sejumlah artikel ilmiah terbitan lima tahun terakhir yang relevan, baik dari jurnal nasional terakreditasi (SINTA) maupun jurnal internasional bereputasi (Scopus). Hasil kajian menunjukkan bahwa edukasi lingkungan yang diintegrasikan ke dalam kegiatan belajar, seperti pelatihan komposting dan budidaya maggot, dapat meningkatkan pemahaman dan keterlibatan siswa dalam pengelolaan sampah. Di sisi lain, penerapan ekonomi sirkular di sekolah turut mendukung terciptanya sistem pengelolaan sampah yang produktif dan berkelanjutan. Keberhasilan program ini bergantung pada keterlibatan aktif seluruh elemen sekolah, pendekatan kontekstual, serta dukungan kebijakan sekolah. Oleh karena itu, strategi pengelolaan sampah organik berbasis edukasi dan ekonomi sirkular dapat menjadi model pembelajaran lingkungan yang efektif dan aplikatif di tingkat pendidikan dasar dan menengah.
Analysis of the Implementation of the Mining Safety Management System at the Andesite Quarry in the Stone Crushing Area Febrian, Dimas Tidar; Heldi; Syah, Nurhasan; Gusman, Mulya
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i9.12184

Abstract

This study aims to analyse the implementation of the Mining Safety Management System (SMKP) in the andesite quarry crushing area of PT. X, Subang Regency, West Java. The study uses a descriptive mixed methods approach that combines direct observation, structured interviews, and questionnaire surveys of workers in the crusher area using purposive sampling. The data were analysed using the Miles & Huberman model for qualitative data and descriptive statistics for quantitative data, with triangulation for validation of the results. The results showed that the implementation of SMKP at PT. X was still suboptimal. The overall criterion fulfilment rate reached 54.74% of the maximum total of 292 points, with significant variations between elements. The implementation element showed the best performance (54.31%), followed by organisation and personnel (54.55%), and monitoring and evaluation (60.42%). Conversely, three critical elements showed alarming conditions: documentation (33.33%), planning (37.93%), and management review (46.15%). This imbalance indicates a weak strategic planning system, procedural documentation, and continuous evaluation by top management. The study concluded that PT. X requires comprehensive and systematic improvements, prioritising documentation, safety programme planning, and management review to build the foundation of an effective mining safety management system in accordance with the regulations of the Ministry of Energy and Mineral Resources.
Relationship between Environmental Conditions and Distribution of 10 Most Common Diseases in the Lubuk Alung Health Center Work Area in 2024 Sadilla, Fitri; Dewata, Indang; Syah, Nurhasan; Gusman, Mulya; Umar, Iswandi; Delvina, Mery
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11633

Abstract

Public health reflects a complex and dynamic interaction between various determinants, where environmental conditions play a crucial role in influencing disease distribution patterns. The type of research used is qualitative through a descriptive approach. Data from this study were collected through medical records of patients visiting the Lubuk Alung Health Center during the period January to December 2024. The data collection process was carried out by health center officers by accessing medical records to document the type of disease and the number of cases based on their respective work areas. Furthermore, each case of disease was classified according to the type of disease and the patient's area of ​​residence. This study was conducted in the work area of ​​the Lubuk Alung Health Center, Padang Pariaman Regency, West Sumatra. The results of this study found that the distribution of the ten most common diseases was greatly influenced by local environmental conditions in seven villages, namely Air Tajun, Balah Hilir, Lubuk Alung, Pasir Lawas, Pangkalan Kasiak, Sei Abang, and Singguling. The disease with the highest number of cases was ARI (393 cases), followed by Diabetes Mellitus (355 cases), Hypertension (196 cases), Schizophrenia (168 cases), Dyspepsia (135 cases), Cephalgia (35 cases), Febris (56 cases), Skin Disease (45 cases), Heart Disease/HT (50 cases), and Other Diseases (51 cases). Balah Hilir and Pangkalan Kasiak villages showed the highest prevalence of diseases in general, with Balah Hilir recording the highest cases of ARI (97), Diabetes Mellitus (63), Dyspepsia (30), and Heart Disease/HT (11), while Pangkalan Kasiak dominated cases of Diabetes Mellitus (79), ARI (85), and Hypertension (65). Sei Abang also had high figures for ARI (67), Schizophrenia (17), and Skin Disease (12). In contrast, villages such as Pasir Lawas and Lubuk Alung had relatively lower cases of most diseases. This uneven distribution of disease indicates the strong influence of local environmental factors such as air quality, sanitation, lifestyle, and health infrastructure, so that specific area-based interventions are needed to improve overall public health.
Kota Padang : Identifikasi Potensi Bencana Banjir Dan Upaya Mitigasi Eka Putri, Sri; Corp, Aldri Frinaldi; Rembrandt; Dasman Lanin; Genius Umar; Mulya Gusman
Jurnal Ilmiah Multidisiplin Nusantara (JIMNU) Vol. 1 No. 3 (2023): JIMNU - NOVEMBER
Publisher : PT. Padang Tekno Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/jimnu.v1i3.56

Abstract

Bencana alam adalah bencana yang disebabkan oleh peristiwa alam. Salah satu bencana yang sering kali terjadi di Indonesia khususnya wilayah Kota Padang adalah banjir. Bencana banjir adalah peristiwa atau rangkaian meluapnya air sungai yang disebabkan oleh faktor alamiah akibat rusaknya buffer zone pada kawasan upper DAS (daerah aliran sungai). Data curah hujan di Kota Padang mengalami peningkatan dari tahun 2019 hingga tahun 2021 yaitu 2.756,4 menjadi 4.124,2. Hal ini menunjukkan semakin tingginya potensi bencana banjir di wilayah Kota Padang akibat curah hujan yang tinggi. Kajian ini menggunakan metode studi literatur dari penelitian yang relevan mengenai bencana banjir. Berdasarkan potensi bahaya banjir kelas tinggi, Kecamatan Koto Tangah merupakan kecamatan yang terluas tingkat bahaya banjirnya yakni 4 546 ha, selanjutnya berdasarkan tingkat bahaya banjir sedang Kacamatan Kuranji merupakan kecamatan yang terluas masuk dalam kategori tingkat bahaya banjir sedang, sedangkan Kecamatan Padang Utara dan Kecamatan Padang Barat. Sedangkan wilayah dengan tingkat bahaya banjir rendah atau bebas banjir di Kota Padang paling luas juga terdapat pada Kecamatan Koto Tangah. Mitigasi bencana yang dilakukan pemerintah Kota Padang adalah identifikasi dan pemetaan zona rawan banjir, sosialisasi mitigasi dan edukasi bencana banjir, mengajak peran serta masyarakat untuk mencegah dan mengatasi banjir, menegakkan aturan tentang pembuangan sampah.
Pertambangan Emas Tanpa Izin (Peti): Dampak Lingkungan, Sosial Dan Ekonomi Serta Peranan Hukum Lingkungan Efendi, Nur; Aldri Frinaldi; Rembrandt; Dasman Lanin; Genius Umar; Mulya Gusman
Jurnal Ilmiah Multidisiplin Nusantara (JIMNU) Vol. 1 No. 3 (2023): JIMNU - NOVEMBER
Publisher : PT. Padang Tekno Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/jimnu.v1i3.57

Abstract

Indonesia merupakan negara yang memiliki kekayaan sumber daya alam (SDA) berupa bahan galian yang melimpah, diantaranya emas, perak, tembaga, minyak, gas bumi, batu bara dan lain-lainya . Belakangan ini banyak kegiatan pemanfaatan SDA yang bertentangan dengan asas lingkungan seperti kegiatan pertambangan illegal dengan melakukan usaha pertambangan tanpa didasari dengan kaidah pertambangan yang baik (good mining practice). Sehingga menimbulkan dampak yang merusak dan dapat mengancam kelestarian lingkungan. Pertambangan emas ilegal atau di Indonesia lebih dikenal dengan istilah Pertambangan Emas Tanpa Izin (PETI) juga dikenal dengan istilah “artisanal gold mining” beresiko memberikan acaman terhadap masyarakat. Sehingga hukum sangat berperan dalam mengendalikan pertambangan emas tanpa izin agar terjaganya keseimbangan lingkungan di alam. Kajian ini menggunakan metode pengumpulan pustaka dari penelitian yang relevan mengenai pertambangan emas tanpa izin. Hasil penelaahan ditemukan kegiatan penambangan emas ilegal berdampak signifikan tidak hanya pada kelestarian ekosistem lingkungan, tetapi juga pada mata pencaharian masyarakat yang tinggal di sekitar pertambangan, termasuk risiko kecelakaan, penambangan, dan penyebaran penyakit yang disebabkan oleh pencemaran tanah dan air dengan bahan kimia berbahaya. Untuk mengoptimalkan upaya pemberantasan kegiatan penambangan emas illegal dan menciptakan keadilan bagi masyarakat, maka dapat dilakukan upaya hukum, antara lain dengan memberikan sanksi pidana kepada pihak-pihak yang terlibat dalam kegiatan penambangan emas ilegal, sesuai dengan ketentuan yang ada dalam peraturan perundang-undangan.
Daerah Aliran Sungai (DAS) Batang Kuranji : Potensi Banjir Bandang Dan Upaya Mitigasi Cressendo, Hedsing; Aldri Frinaldi; Rembrandt; Dasman Lanin; Genius Umar; Mulya Gusman
Jurnal Ilmiah Multidisiplin Nusantara (JIMNU) Vol. 1 No. 3 (2023): JIMNU - NOVEMBER
Publisher : PT. Padang Tekno Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/jimnu.v1i3.86

Abstract

Banjir bandang adalah aliran massa sedimen (pasir, kerikil, batu dan air ) dalam satu unit dengan kecepatan tinggi. Terjadi karena keseimbangan statik antara gaya geser yang ditimbulkan oleh aliran lebih besar dari gaya geser massa sedimen yang menahan. Karena massa yang mengalir ini mempunyai percepatan maka ketinggian dan kecepatannya akan selalu bertambah, dan pada tingkat batas tertentu keadaan menjadi tidak stabil sehingga massa sedimen terangkat dengan cepat yang menimbulkan banjir bandang. Data curah hujan di Kota Padang mengalami peningkatan dari tahun 2019 hingga tahun 2021 yaitu 2.756,4 menjadi 4.124,2. Hal ini menunjukkan semakin tingginya potensi bencana banjir di wilayah Kota Padang akibat curah hujan yang tinggi. Distribusi spasial inundasi banjir bandang terdapat pada daerah zonasi bahaya tinggi di kawasan sepanjang Batang Kuranji yakni di Kecamatan Koto Tangah, Kecamatan Kuranji, Kecamatan Nanggalo, Kecamatan Padang Utara, dan Kecamatan Pauh. Langkah mitigasi yang dilakukan untuk menanggulangi bencana banjir bandang ini telah dilakukan melalui pembangunan checkdam batu busuk dan melalui normalisasi sungai.
Effectiveness of Acid Mine Water Testing Using Sparing at PT. Bara Alam Utama Herfien; Barlian, Eri; Dewata, Indang; Gusman, Mulya; Efendi, Nur
Jurnal Penelitian Pendidikan IPA Vol 10 No 1 (2024): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i1.5803

Abstract

Sparing is a remote monitoring tool (telemetry) and is carried out in real-time via various different devices, as well as storing and displaying it on many device options. This research uses a quantitative descriptive method, which aims to present data related to the research object. The data sources used in this research consist of primary and secondary data sources. Where primary data is obtained from direct observation and measurements regarding pH values, Total Suspended Solid (TSS), Iron (Fe) and Manganese (Mn) metal content. Secondary data was obtained through literature relevant to the research and documentation during the research. The results obtained in May 2022 were 31.0 and 32.2 mg/l, in November 2022 upstream and downstream, namely 19 and 26.8 mg/l. Meanwhile, the pH value of the water in May 2022 in the upstream river still met The quality book is 6.03, while the pH value in the upstream and downstream rivers is 7.3 and 7.1, while in November 2022 the upstream and downstream pH will be 6.43 and 7.11. The iron (Fe) and manganese content is also relatively small both upstream and downstream, namely in May 0.323 and 0.284 mg/l and in November 2022 0.612 and 0.124. Meanwhile, the results of the river pollution capacity are TSS on the Kungkilan River, namely (28.89 - 36.13 mg/L) and the Lematang River, namely (27.00 - 30.25 mg/L).
Co-Authors Abdul Razak Adree Octova Afaz, Triyanchy Afkar Afkar Afrinal Afrinal Agung Pujangga Ainil Khalisah Aldi Fajri Aldri Frinaldi Ali Amran Ali Amran Alifa Alifa Andree Octova Ansosry Ansosry Aprizon Putra Arif Maulana Hadi Audia Multriwahyuni Bambang Heriyadi Bram Subhan Maulana Catri, Indra Corp, Aldri Frinaldi Cressendo, Hedsing Dasman Lanin Dedi Yulhendra Delvina, Mery Dita Aprilia Istiqamah Eka Putri, Sri Eri Barlian Fadel Muhammad Fadhilla Oktari Fariq Dwi Satria Diansa Fathonie Yurnia H Febrian, Dimas Tidar Fellya Septia Fauzi Femi Audya Syifa Fitrya Monica Genius Umar Gus Permata Sari, Indri Hafizurahman Dwi Saputra Harmedi Yulian Saputra Hedsing Cressendo Heldi Heldi Heldi, Heldi Herfien Heri Prabowo Ika Desmawita Ikhsan, Ahmad 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 Monalisa Monalisa Muhammad Abbil Raihan Muhammad Hazwafi Ardeva Muhammad Luthfi Muhammad Ridho Nadia Anggraini Putri Naya Makaristi Andrea Nopi Kohirozi Nur Efendi Nur Efendi NUR EFENDI Nurhasan Syah OCI SHANIA PUTRI olivia julianti Rahmad Fikri Raimon Kopa Ravilqi Medri Rayhan Viedyatha Rembrandt Rizki Amelia Sasqia Putri Roro Rasi Putra Rugbia Natasya Rusli HAR Sadilla, Fitri Saldy, Tri Gamela Sholichin, Muhamad Skunda Diliarosa Skunda Diliarosta Tamrin Kasim trihadma trihadma Triyanchy Afaz Umar, Iswandi Wahyu Prasetyo Agus Susanto Yasmi Antara Yoszi Mingsi Anaperta Yugo Agustino Yuli Asri