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Keywords: support design
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0527
... for rock reinforcement and ground support design. The research project aims to develop a framework to assess the remaining useful life of ground support and rock reinforcement elements. Then, using the tools and logic developed in this project, the U.A. San Xavier mine and other mining companies can make...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0017
... ABSTRACT: As shallower deposits in many mining jurisdictions are depleted, it is becoming more common to mine in deeper and more challenging ground conditions. This paper provides a discussion of empirical support design methods using the following rock mass classifications: Barton's Q System...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1180
... Abstract Ground support design for rock tunnels or caverns often adopts precedents or empirical methods, which were mostly developed in 1960s and 1970s. These methods have undoubtedly contributed to completions of many projects; however, they are unique and closely related to local geology...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0298
... for Canadian deep mines, coupled with site-specific field observations, is employed to justify the support design for large-span intersection developments with a focus on mitigating dynamic loading hazards. metals & mining seismic response Upstream Oil & Gas Reservoir Characterization...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-750
... ABSTRACT: Researchers at Spokane Mining Research Division of the National Institute for Occupational Safety and Health (NIOSH) are working with mine personnel to aid in providing a safe working environment through the development of empirical ground support design tools. Weak rockmass...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-680
... to ultra-deep gold mining, an appropriate support design need to be taken into consideration so as to maintain the stability of the excavation. This paper provides a detailed study on the support design for large chamber excavations in mechanized deep to ultra-deep gold mining in South Africa. To achieve...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0598
... experiential suggestions. Based on the initial support design (shown in table 3 with reference to past experiences, the secondary support design in this case initially chose 400~500mm thick C35 concrete. It then carried out reinforcement design and computerized crack resistance checking. An optimized secondary...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1022
... of orebodies and lost productivity. Comprehensive stope support design is mandatory for safe working conditions in a mine. This study reviews the stope support design of a narrow reef platinum mine in the Bushveld Complex, and investigates impact of support deficiencies in under planned and over planned stopes...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-442
... Abstract: Good support design is of paramount importance in a bid to mitigate rockfalls. Most platinum mines using room and pillar method have failed to reach the target milestones of zero harm due to the presence of geological discontinuities. Geological discontinuities along the Great dyke...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-445
... was used to propose a preliminary support design at prefeasibility stage of the project. Both empirical and numerical methods were used for stability evaluation to inform reliable support design. Prefeasibility studies of this nature are crucial as they guide financial decisions on whether or not to commit...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-532
... for support design in brittle material using the Response Surface Method (RSM) and the First Order Reliability Method (FORM) is then presented and used to assess bolt performance for a deep excavation in limestone. 1. INTRODUCTION Spalling damage can create significant stability issues in deep mining...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-675
... ABSTRACT: Traditional rock support design methods of rock slopes and tunnels are reviewed. Towards a more rational support design, not only the effects of blocks inside the rock mass on the key blocks day-lighting into the excavation directly are considered, but also whether or not these day...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-599
... due to violent rock failure. After reviewing the rockburst phenomenon, types of rockbursts, damage mechanisms, and rockburst support design acceptability criteria, this paper introduces an interactive design tool for conducting rockburst support design in underground mines. 1. INTRODUCTION...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-677
... Method (NATM). structural geology kurtkoy formation worst geotechnical condition geometry classification numerical analysis Istanbul Upstream Oil & Gas support design initial support design vertical displacement Reservoir Characterization displacement kadikoy project area...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-148
... by the distance between the two existing tunnels the minimum width of the pillar between the caverns is only 8 m. Typical Norwegian concept of tunnel supporting was used in the rock support design, which means to use shotcrete and rock bolts as the permanent support. The design was based on empirical approach...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-233
... are considered to perform the support design. Rock quality classification (Q) was selected to design of support for the main gallery [1]. Added to that, rock mass rating (RMR) is also applied for further evaluation of the results as well [2]. The results of rock mass classifications also shall be used...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 32nd U.S. Symposium on Rock Mechanics (USRMS), July 10–12, 1991
Paper Number: ARMA-91-1037
... reservoir geomechanics Upstream Oil & Gas Reservoir Characterization drilling operation management risk management Artificial Intelligence reserves evaluation empirical method factored risk apex height continuity block formation support guideline rockbolt length support design...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0845
... to the roof sagging. This conclusion, in fact, has constrained the application of the ground control theory to field, especially to the support design. The purpose of this study is to develop a new method of support design and to assess the supports applied in a longwall operation. 2 STRUCTURAL MODEL...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0015
... of Texas, the Annual U.S. Symposium on Rock Mechanics has evolved into the main U.S. forum for discussion of all aspects of rook mechanics, basic and applied - tectonophysics to comminution; near-surface foundations to deep mine support design. Although dominantly a U,S. event the annual symposium has...