WARDHANU, DHEO RAKA KUSUMA (2021) ESTIMASI SUMBERDAYA BATUPASIR DAN BREKSI DENGAN METODE CROSS SECTION DAN CONTOUR DI PT TBEK ENGGINERING DESA LIMPUNG KEC. GRINGSING KAB. BATANG JAWA TENGAH. Diploma thesis, UPN "VETERAN" YOGYAKARTA.
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Abstract
RINGKASAN Indonesia merupakan negara yang kaya akan potensi sumberdaya alam yang dimiliki. Ada banyak potensi yang masih belum tereksplorasi yang bisa dimanfaatkan demi kepentingan orang banyak. Seiring dengan perkembangan jaman maka pembangunan secara fisik seperti pembangunan insdustri dan perumahan pun meningkat pesat. Salah satu potensi bahan galian mineral batuan (UU No.4 Tahun 2009 tentang pertambangan mineral dan batubara) pada wilayah penelitian adalah batupasir dan breksi. Penelitian ini dilakukan untuk menghitung besaran sumberdaya pada wilayah penelitian PT. Tbek Engineering yang berada di Desa Limpung, Kecamatan Gringsing, Kabupaten Batang, Provinsi Jawa Tengah. Luas wilayah penelitian sebesar 250.349 m2 . Metode penelitian yang dilakukan dengan cara melakukan studi pustaka, pengamatan pada penyebaran batupasir, pengumpulan data sampai dengan kesimpulan dan saran. Hasil perhitungan dengan metode cross section sebesar 13.068.222 m3 sedangkan dengan metode contour sebesar 14.599.983 m3 . Hasil estimasi dengan metode cross section lebih kecil dibanding dengan metode contour, ini dikarenakan metode cross section jarak antar sayatan sebessar 50 m dengan asumsi permukaan dianggap sama atau linier, sedangkan metode contour jarak antar penampang kontur sebesar 1 m sehingga menjadikan lebih akurat dan hasilnyapun semakin besar. Untuk selisih kedua metode sebesar 1.531.761 m3 . ABSTRACT Indonesia is a country that is rich in natural resource potential. There are many unexplored potentials that can be exploited for the benefit of many people. Along with the changing times, physical development such as industrial and housing developments also increased rapidly. One of the potential mineral rock minerals (Law No.4 of 2009 concerning mineral and coal mining) in the research area is sandstones. This research was conducted to calculate the amount of resources in the research area of PT. Tbek Engineering located in Limpung Village, Gringsing District, Batang Regency, Central Java Province. With a research area of 250,349 m2 . The research method is carried out by conducting literature studies, observing the distribution of sandstones, collecting data to conclusions and suggestions.The results of the calculation using the cross section method are 13.068.222 m3 while the contour method is 14.599.983 m3 . The estimation results with the cross section method are smaller than the contour method, this is because the cross section method the distance between the incisions is 50 m with the assumption that the surface is considered the same or linear, while the contour method the distance between contour cross sections is 1 m so that it makes it more accurate and the results are increasingly big. For the difference between the two methods is 1.531.761 m3 .
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | T Technology > TN Mining engineering. Metallurgy |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment |
| Depositing User: | Eny Suparny |
| Date Deposited: | 11 Mar 2022 05:46 |
| Last Modified: | 11 Mar 2022 05:46 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/28811 |
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