TIKET MASUK EKSPLORASI.docx

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   NAMA : MUHAMMAD ARMAN SALAM  NIM : 201763011 PROSI : S1 TEKNIK PERTAMBANGAN TIKET MASUK UAS TEKNIK EKSPLORASI Analisis Geoteknik Penyelidikan geoteknik yang dilakukan di lokasi Pertambangan PT. Iron Mine berupa analisis kemantapan lereng. Analisis kemantapan lereng meliputi analisis kemantapan lereng tunggal ( individual   /  single slope ) dan lereng keseluruhan ( overall slope ), baik lereng high-wall   maupun low-wall  , serta lereng timbunan. Kajian geoteknik ini berisi analisis data  pengeboran, data hasil uji laboratorium, analisis kemantapan lereng penambangan, rekomendasi dimensi lereng. Analisis Data Pengeboran Pengeboran untuk keperluan pengambilan sample telah dilakukan pada 66 lubang  bor di wilayah konsesi PT. Iron Mine (Kelompok 1), yaitu lubang bor DH-A1 sampai DH-L7. Kedalaman pengeboran masing-masing lubang bor bervariasi antara 15 m sampai dengan 38 m. Data lokasi dan kedalaman masing-masing lubang bor dapat dilihat pada Tabel 4.1. Tabel 4.1 Lokasi Kedalaman Lunbang Bor No. Bor Koordinat Elevasi (mdpl) Total Kedalaman Easting Northing DH-A1 425299.3 85,774.4 164.9 25 DH-A2 425299.4 85,799.6 168.8 26 DH-A3 425300.1 85,824.8 167.9 25 DH-A4 425300.2 85,850.1 164.0 23 DH-A5 425300.1 85,873.8 154.0 19 DH-B1 425326.2 85,775.2 165.7 25 DH-B2 425325.8 85,800.0 170.7 25 DH-B3 425324.5 85,824.8 171.2 25 DH-B4 425325.9 85,850.4 167.9 17 DH-B5 425324.7 85,875.0 158.8 15 DH-C1 425350.1 85,774.9 167.4 19 DH-C2 425349.8 85,800.0 172.9 25 DH-C3 425,349.8 85,824.8 175.4 23  DH-C4 425,350.5 85,850.3 172.7 26 DH-C5 425,351.6 85,874.0 167.0 26 DH-D1 425,375.8 85,775.2 170.4 26 DH-D2 425,375.1 85,800.0 175.6 29 No. Bor Koordinat Elevasi (mdpl) Total Kedalaman Easting Northing DH-D3 425,374.8 85,824.9 178.5 25 DH-D4 425,375.2 85,849.5 176.8 30 DH-D5 425,374.9 85,875.0 171.2 25 DH-E1 425,399.0 85,776.0 175.0 23 DH-E2 425,399.3 85,800.0 178.0 25 DH-E3 425,399.7 85,824.8 181.1 25 DH-E4 425,400.5 85,850.0 181.2 19 DH-E5 425,400.4 85,874.9 175.3 20 DH-F1 425,425.0 85,775.1 175.0 21 DH-F2 425,424.5 85,800.1 180.7 25 DH-F3 425,425.1 85,824.9 184.1 25 DH-F4 425,423.9 85,850.2 184.6 19 DH-F5 425,424.9 85,874.9 179.5 25 DH-G1 425,450.5 85,775.1 177.9 30 DH-G2 425,448.0 85,801.0 181.0 30 DH-G3 425,450.0 85,825.0 187.3 25 DH-G4 425,449.6 85,850.7 188.4 24 DH-G5 425,450.7 85,875.2 187.7 25 DH-G6 425,448.6 85,901.0 187.1 32 DH-G7 425,448.2 85,924.8 188.6 25 DH-H1 425,475.0 85,774.9 180.2 25 DH-H2 425,475.0 85,800.0 186.1 26 DH-H3 425,474.9 85,825.1 190.8 22 DH-H4 425,474.4 85,850.0 191.9 26 DH-H5 425,475.0 85,876.0 195.0 26 DH-H6 425,475.7 85,900.0 197.6 27 DH-H7 425,474.9 85,925.1 196.5 25 DH-I1 425,500.4 85,774.9 180.2 30 DH-I2 425,500.2 85,800.0 187.7 25 DH-I3 425,499.0 85,824.5 192.9 30 DH-I4 425,499.4 85,850.2 195.7 38 DH-I5 425,499.9 85,875.0 197.8 30 DH-I6 425,499.3 85,900.0 201.4 30 DH-I7 425,500.3 85,924.6 200.7 30 DH-J3 425,523.9 85,824.5 194.5 25 DH-J4 425,525.1 85,850.0 198.9 30 DH-J5 425,525.0 85,875.1 202.4 30 DH-J6 425,525.7 85,899.8 204.4 28  DH-J7 425,525.3 85,925.9 199.1 25 DH-K3 425,548.7 85,824.5 195.6 30 DH-K4 425,548.4 85,849.0 200.8 30 DH-K5 425,549.8 85,874.9 204.0 25 DH-K6 425,551.0 85,900.0 201.0 30 DH-K7 425,549.9 85,924.9 199.3 25 DH-L3 425,574.5 85,824.6 195.0 30 DH-L4 425,573.6 85,848.8 200.8 30 No. Bor Koordinat Elevasi (mdpl) Total Kedalaman Easting Northing DH-L5 425,575.1 85,875.0 202.7 25 DH-L6 425,575.0 85,899.8 201.4 30 DH-L7 425,574.6 85,924.8 198.1 25
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