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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-128
... & gas bit selection turkey government reservoir characterization spiral practice iop publishing iop conf revolution rock type cutter rock engineering geologist asia government metals & mining shaterpour-mamaghani yusufeli dam operation diameter theory excavation environmental...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-148
... Abstract The behaviour of the Ridracoli arch-gravity dam in the 2002-2020 operation years has been analysed, by applying "statistical" models of increasing complexity to the time series of pendulum and long-base extensometer measurements. The modelling approach has proved robust...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-173
... annual rainfall). The management of large-scale failures in open-pit mines expresses geotechnical challenges in terms of balancing economical designs and safe operations. The failure located at the southern end of the West Wall was reactivated in June 2019 due to continuous mining and prolonged rainfall...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-046
... Abstract Discontinuities are an intrinsic characteristic of rock masses, and they appear at every scale of a technical survey. Issues related to the procedure’s duration and the operator’s safety during the survey have encouraged the development of non-contact methods: images and digital...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-002
... of this study is to achieve safer stoping environment with an increase in stope interval from 30 to 45 m to enhance production and productivity with safety. reservoir geomechanics Upstream Oil & Gas extraction stability Reservoir Characterization displacement operation crosscut wall movement...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-023
... Abstract The Telfer underground sub-level cave (SLC) operations are located approximately 600 to 1000 m below the west wall of Main Dome open pit at the Telfer Gold Mine, Australia. The Telfer SLC commenced caving in 2006 and broke through to the surface in 2009 forming a large subsidence zone...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-071
... in and around the goaf edge. Under the existing geo-mining conditions of some of the recent MD operations in Indian coalfields, the extent of spalling varied from 0.5 m to 2 m only. Considering an acceptable dimension of the rib/snook for these site conditions, the position of RBBLS is shifted out-bye from...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-114
.... dynamic load dynamic load change numerical calculation Reservoir Characterization calculation stability MPa Upstream Oil & Gas steel operation procedia engineering 191 numerical modeling stress concentration zone metals & mining masny seismic event hmh stress exploitation rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-161
... strategies to ensure stope stability. 1.1 Geographic location Lonmin s Marikana Operations are located in the west- ern limb of the Bushveld Complex of South Africa (Fig. 1). Large-scale fault structures compartmental- ize the Marikana Operations, with the Rowland Shaft mining area being bounded...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-147
... ABSTRACT: Since several years, the demand for the storage of gas in rock salt caverns has changed from seasonal to high cycling operation. The new operation mode requires relatively fast pressure change rates in the cavern which in turn leads to temperature changes in the gas. The consequences...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-148
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Design, construction and operation experience of water curtain system for the hydraulic containment type LPG storage cavern H. Kurose Japan Oil, Gas...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-149
... ABSTRACT: Arenal Deeps is an Au mine located near Minas de Corrales, Uruguay, which was exploited via an open pit operation from 2004 until 2009 and underground since then, using both inclined room and pillar and transversal stoping methods. The progression of mining activities (down to ~320m...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-164
... system under the long-term operation condition. Multi-channel borehole tests has been done to measure air and water permeability of the system, and also a borehole seismic exploration has been performed to characterize the excavation damaged zone surrounding the storage caverns. 1 INTRODUCTION...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-204
... structures. The variation of stress state around the underground opening during excavation is a dynamic process and the stress state would be generally different from that under the static condition for the geometry par- ticularly soon after blasting operation. One can not find any monitoring study...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-004
... ground structural geology mechanical excavation metro tunnel Reservoir Characterization TBM ground condition excavation remedial work tunnel operation injection complex geology tunnel boring machine rock engineering problem Turkey Bilgin cutterhead Rock Mechanics and Rock Engineering...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-113
... exposes the deep differences that actually exist between the two types of cavern, despite their similarity in shape. Requirements dictated by the unlike conditions of future operation of each type of cavern directly influence methodologies for design, construction and maintenance. 2 CAVERN GEOMETRY...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-028
... Abstract The Kaunertal hydropower plant is in full operation since 1965 and is still one of the largest storage power plants in Austria. In 1962, tunneling for the pressure shaft and surge tank was found to be more difficult than expected. The cause of these poor ground conditions, however...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-030
... revealed that a landslide was occurring, loading the gallery lining. As stabilization of the slope was not an option for several reasons, it was decided to replace the gallery by a new one deeper inside the slope, which will be ready for operation in 2017. Thus the old gallery has to be kept in operation...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-055
... for an exploratory tunnel, which will provide additional design and programming data for the excavation of the main tubes. Once completed, the exploratory tunnel will be used for drainage during construction and eventually as the service tunnel during operation. The exploratory tunnel could also carry power and data...

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