Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Made Astawa Rai"'
1
Analysis of Reinforcement System (Rock Bolt and Shotcrete) Effect on The Pillars Strength in Underground Mining Using Physical Models Testing in Laboratory
Autor: Nuhindro Priagung Widodo, La Ode Dzakir, Made Astawa Rai
Publikováno v: Jurnal Geomine. 9:73-87
The effects of reinforcement system on pillars were tested in laboratory, using three types of pillars with different strengths. The tests were performed using the UCS machine, to test pillar without reinforcement, pillar with rock bolt reinforcement
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37558c5a53bed736997f5010bac04add
https://doi.org/10.33536/jg.v9i1.801
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2
Dynamic Analysis of Blasting Effect on Nanjung Tunnel Stability
Autor: Nuhindro Priagung Widodo, Alio Jasipto, Dhika Noor Pradhana, Made Astawa Rai, Ganda M. Simangunsong, Simon Heru Prasesetyo, Dimas Agung Saputra
Publikováno v: Indonesian Mining Professionals Journal. 2:1-10
This study aims to dynamically analyze blasting conducted in the Nanjung tunnel. Nanjung Tunnel is a twin tunnel that has a horseshoe-shaped section with each tunnel having a dimension of 10.2 m x 9.2 m, and 230 meters in length . The layers rock of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7be4233bb6cbd7e16ba0fb99b8fa2b3
https://doi.org/10.36986/impj.v2i1.17
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4
Stability Analysis of the Nanjung Water Diversion Twin Tunnels based on Convergence Measurement
Autor: Nuhindro Priagung Widodo, Dhika Noor Pradhana, Simon Heru Prassetyo, Ganda M. Simangunsong, I. Arif, Dimas Agung Saputra, Made Astawa Rai, Ridho K. Wattimena
Publikováno v: Indonesian Mining Professionals Journal. 1:49-60
This paper focuses on the stability analysis of the Nanjung Water Diversion Twin Tunnels using convergence measurement. The Nanjung Tunnel is horseshoe-shaped in cross-section, 10.2 m x 9.2 m in dimension, and 230 m in length. The location of the tun
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc5b323f4fdf6aa2f2eb4a19e21d54cb
https://doi.org/10.36986/impj.v1i1.11
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5
Probabilistic Of Slope Failure Grasberg Open Pit Mining PT Freeport Indonesia
Autor: Iswandaru Iswandaru, Ridho K. Wattimena, R Rully Nurhasan, Made Astawa Rai
Publikováno v: PROMINE. 7:01-07
The stability of a slope in mining activities is highly influenced by geology, especially thenature of rocks and geological structures. Slope stability analysis will be faced with severalproblems in the uncertainty of rock properties and rock mass. S
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bbfcddcfa1410ab94c90b4ac3923b51
https://doi.org/10.33019/promine.v7i1.1064
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6
Study Of Shape and Inclined Surface Pillar Effect On Strength Of Pillar
Autor: Rully Nurhasan Ramadani, Ridho K. Wattimena, Iswandaru Iswandaru, Made Astawa Rai
Publikováno v: PROMINE. 7:08-14
Study of stability and pillar failure mechanism with a variety of methods have beencarried with empirical and analytical approach. H. Moomivand dan V.S. Vutukuri in 2008 doto research with physical model of coal cubic with ratio of 0,25 to 10 with su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae97d01b91db8c5c53e327f5b10cefac
https://doi.org/10.33019/promine.v7i1.1055
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