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Journal : Mining Science and Technology Journal

Analisis Geometri Peledakan Terhadap Fragmentasi Hasil Peledakan pada PT. Diamond Alfa Propertindo Kecamatan Mawasangka Tengah Kabupaten Buton Tengah Provinsi Sulawesi Tenggara Marina, Marina; Salu, Sahrul Poalahi; Dzakir, La Ode
Mining Science And Technology Journal Vol 3 No 1 (2024): Mining Science and Technology Journal
Publisher : Program Studi Teknik Pertambangan, Fakultas Teknik, Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/minetech-journal.v3i1.548

Abstract

ABSTRACT PT. Diamond Alfa Propertindo is a company operating in the mining sector located in Gundu-gundu Village, Central Mawasangka District, Central Buton Regency, Southeast Sulawesi Province, with an area of 4,905 Ha. Where the research location is located in Pit Mr. Cheng. Where the results of geometric calculations based on R.L Ash's theory are Burden (B) 2 meters, Spacing (S) 3 meters, Stemming (T) 2 meters, Length of filled column (PC) 4 meters, Depth of blast hole (H) 6 meters, Subdrilling ( J) 0.4 meters, and ladder height (L) 5.6 meters, resulting in production of 6,609.6 bcm/blast. The geometric results in the field are burden 2,9 meters, spacing 2,91 meters, stemming 0,78 meters, depth of blast hole 3,58 meters, Subdrilling is not used in the field so it is called a Quarry floor, Fill column length is 2,8 meters, resulting in a production of 3,099.11 bcm/blast with the amount of Anfo used being 16,32 kg, resulting in an average fragmentation size for 10 blasts of 22,25 cm with rock passing using the Kuz-ram model of 53,51%. Meanwhile, based on the Split Desktop 2.0 software, it produces an average fragmentation size of 22,71 cm with 80% rock escap e.
Co-Authors Adela, Meutia Agung Suhendra Anafiati, Ika Arsi Ansiska, Paisal Ashfia P, Hafizh Badriah, Badriah Baiq Yuliatin Ihsani Brigita, Brigita Butarbutar, Marisi Daeng Ayub Dedi Fariadi Delfi Suganda Delia Fionica Dewi Permata Sari Dimas, Dimas Efendi Efendi Ekayanti, Ekayanti Ervianingsih, Ervianingsih Erwita Sari Etta Atteta Fitri, Aidi Ghita, Dwi Hadi Susanto Hanif Hanif Hasrat Hasrat Henny Indrawati I Nengah Suwastika Idral Amri Inrawan, Ady Jamaluddin Nasution Jawatir Pardosi Kamila, Raisya Kanom, Kanom Karin Detasari Kurniawati Kurniawati Kusnadi, Iwan La Ode Dzakir Lani Melani Lie, Gunardi Lily Purwianti Lina Wahyuni Maharani Balqis Majid, Novita Manurung, Morita Br Marbun, Rosalya Marwani, Iga Safa Marwiah, Marwiah Mevi, Alien Gustia Mona Hisya MUHAMMAD YUSUF Muji Gunarto Munira Munira, Munira Nasution, Dewi Kesuma Nathasya, Nathasya Negara, I Made Weda Satia Ni Kadek Sri Mirayani Ningsih, Kurnia Nirwana Nirwana Nur Sakinah Yearham Nurdiana Nurdiana Nurhaedar Jafar Nusbah, Syam Suryanto Oktavia , Rita Oktoyoki, Hefri Omsah, Omsah Orryani Lambui Panjaitan, Agnes Clarissa Paristha, Ni Putu Tiya Puspitasari, Mutiara Dwi Rahayu Indriasari Rahmah, Chatrine Aulia Rahmawati, Rosvi Rasji, Rasji Reza, T. Surya Rina Rahmatina Dita Rizki, Dini Ruqiah Ganda Putri Panjaitan Sahrul Sahrul Said Suhil Achmad Santoso, Yulie Novadianty Sari Wulandari Satia Negara, I Made Weda Sa’adah, Tatu Bilqis Selamet, I Wayan Agus Seriana, Seriana Setiawati, Lia Sihasale, Daniel Anthoni Sihotang, Romita Sinaga, Yunita Sari Sri Ayu Wulandari Suarman Sulaiman Helmi Sulastri, Ulung Sumardani, Rizki Sunda Ariana, Sunda Suryaningsi Suryaningsi Talantan, Vrillia Marannu Tampubolon, Lasmaria Tilawati, Rahma Vaustine, Griselda VEVI SURYENTI PUTRI, VEVI SURYENTI Warman Warman Widya Asri Septiani Yaya Padila YAYAN SOFYAN Yulisda, Desvina Zahran, Izal