PENDEKATAN KUANTITATIF DALAM PENENTUAN DEBIT AIR MINE INFLOW PADA TAMBANG TERBUKA
DOI:
https://doi.org/10.33579/krvtk.v10i2.5789Kata Kunci:
Mine Inflow, Metode Rasional, Hukum DarcyAbstrak
Limpahan air ke tambang terbuka menjadi tantangan utama dalam operasional pertambangan karena dapat menyebabkan gangguan teknis dan peningkatan biaya. Studi ini bertujuan mengestimasi total debit air yang masuk ke area tambang (mine inflow ) melalui dua pendekatan yaitu, Metode Rasional untuk menghitung limpasan permukaan dan Hukum Darcy untuk memperkirakan rembesan air tanah. Data yang digunakan meliputi curah hujan maksimum, luas daerah tangkapan, koefisien limpasan, konduktivitas hidraulik, gradien hidraulik, dan luas penampang akuifer. Hasil analisis menunjukkan debit maksimum limpasan permukaan sebesar 0,81 m³/detik dan rembesan air tanah sebesar 0,16 m³/detik. Estimasi debit total ke lantai tambang adalah 0,778 m³/detik, sementara total potensi ke seluruh area tambang mencapai 0,97 m³/detik. Estimasi ini dapat menjadi dasar dalam perencanaan sistem penyaliran tambang yang efektif dan mendukung penghentian operasional.
Unduhan
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