GEOLOGI DAERAH SELINSING DAN ANALISIS KESTABILAN LERENG TERHADAP RENCANA TAMBANG TIMAH TERBUKA DAERAH BURUNGMANDI KABUPATEN BELITUNG TIMUR

PARAMESYWARA, TEGUH SAMUDERA and Setiawan, Budhi (2019) GEOLOGI DAERAH SELINSING DAN ANALISIS KESTABILAN LERENG TERHADAP RENCANA TAMBANG TIMAH TERBUKA DAERAH BURUNGMANDI KABUPATEN BELITUNG TIMUR. Undergraduate thesis, Sriwijaya University.

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Abstract

The research area is divided into two areas, namely geological mapping in the Selinsing area, Gantung District, East Belitung Regency and special in the PIT Batubesi Block 3 area of PT. Timah (Persero) Tbk. The purpose of this study is to conduct geological mapping and analyze the risk of mine slope security which is planned to be opened with an open pit mining system. The research method was carried out by Field Survey, Laboratory Analysis, Studio Work, Special Study Methods consisting of Weighting of Rock Mass Rating (RMR), Slope Mass Rating (SMR), Boundary Equilibrium Analysis and Probability. The process that develops mapping area is divided into four units, namely the Sloping Slope of the Sloping Slope, the Slope of the Sloping Hills, the sloping slopes, the Alluvial Plains and Former Tin Mining Land. Stratigraphy is divided into three rock units, namely the Sandstone Unit, Claystone Unit of the old Permo-Carbon and Alluvial Deposits. The developing geological structure is in the form of a muscular north-west direction - Southeast, Northeast - Southwest and West - East. Whereas study area based four boreholes the FK values and final PK on GT_01 and GT_02 show that ground movements can occur and the slopes are relatively stable while those in GT_03 and GT_04 show results of rare earth movements and stable slopes.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Keamanan Lereng, Metode Kesetimbangan Batas, Metode Probabilitas
Subjects:	T Technology > TN Mining engineering. Metallurgy > TN1-997 Mining engineering. Metallurgy
Divisions:	03-Faculty of Engineering > 34201-Geological Engineering (S1)
Depositing User:	Users 1413 not found.
Date Deposited:	19 Aug 2019 06:13
Last Modified:	19 Aug 2019 06:13
URI:	http://repository.unsri.ac.id/id/eprint/4531

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