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Srijono Srijono
Jurusan Teknik Geologi, Fakultas Teknik, Universitas Gadjah Mada
Earth & Planetary Sciences Engineering Environmental Science

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ESTIMASI GEOLOGICAL STRENGTH INDEX (GSI) SYSTEM PADA LAPISAN BATUGAMPING BERONGGA DI TAMBANG KUARI BLOK SAWIR TUBAN JAWA TIMUR R. Andy Erwin Wijaya; Dwikorita Karnawati; Srijono Srijono; Wahyu Wilopo; Dianto Isnawan
PROMINE Vol 2 No 2 (2014): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (860.681 KB) | DOI: 10.33019/promine.v2i2.76

Abstract

The limestone mine activity needs a good mine plan design with the result that saved for the environment. Mine design is determined by rock mass quality. The rock mass quality in each mine location is different and that is influenced by the geological conditions. Research area is located in limestone quarry Sawir Block of Kerek District, Tuban Regency, East Java Province. In limestone quarry area, there is cavity zone which consists cavity limestone layer at the wall of quarry bench. This cavity layer in limestone quarry has occurred by solution process. The cavity layer zone has more potential as weak zone which caused failure of bench in limestone quarry area. To analyze of the research of rock mass quality in cavity limestone layer using Geological Strength Index (GSI) system. Final result of the research is rock mass characterization specifically for cavity limestone layer.
Desain Tambang Kuari Batugamping Berongga Di Blok Sawir Tuban Jawa Timur R. Andy Erwin Wijaya; Dwikorita Karnawati; Srijono Srijono; Wahyu Wilopo
PROMINE Vol 3 No 2 (2015): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1406.739 KB) | DOI: 10.33019/promine.v3i2.94

Abstract

The research area is a cavity limestone quarry region, located in Sawir Block, Tuban Regency, EastJava Province. Design of the bench in cavity limestone quarry is extremely determined by rock massquality and slope stability analysis. The aim of this research is designing of the bench of cavitylimestone in the quarry based on equibrilium limit and using slide software added. The research usedquantitative method. To obtain slope stability analysis of limestone needs some parameters. The mainparameters are uniaxial compressive strength of intact rock, GSI, lithology, disturbance factor, unitweight and application for slope (height). To solve this analysis is assisted by Roclab software. TheRoclab is a software for determining rock mass strength based on the generalized Hoek-Brown failurecriterion. Final result of the research will be used for safely mine design of the limestone quarry.
Co-Authors Dianto Isnawan Dwikorita Karnawati R. Andy Erwin Wijaya Wahyu Wilopo