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Keywords: Barton
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Proceedings Papers
Is there a Universal Rock Mass Classification System?
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0784
... reservoir geomechanics rock mechanic application classification barton respondent tust science rmr gsi geotechnical engineering jrmge international journal correlation ARMA 24 784 Is There a Universal Rock Mass Classification System? Ambah, E., Elmo, D. NBK Institute of Mining Engineering...
Proceedings Papers
Case Study of Program-Assisted Q-System Rating Based on Point Cloud Analysis
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0164
...-system ratings, demonstrating the feasibility of the proposed computer program. 1. INTRODUCTION The Q-system (Norwegian Geotechnical Institute, 2022), a semi-quantitative rock mass classification method proposed by Barton in 1974 (Barton et al., 1974) has been widely used by geotechnical engineers...
Proceedings Papers
Characterization of Mechanical Discontinuities Using Triaxial Shear Tests Under High Confining Pressure
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0273
... geomechanics strength upstream oil & gas reservoir characterization roughness criterion casted discontinuity mpa grasselli rock engineering equation casagrande barton rock mechanic compressive strength shear strength anisotropy ytec table 2 ARMA 22 0273 YTEC - Privada Characterization...
Proceedings Papers
Estimating Rock Mass Joint Roughness Using Terrestrial Laser Scanner and Artificial Neural Network
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0662
... ABSTRACT: Joint roughness is one of the most important factors which decide the shear behavior of a rock mass. Conventionally, it is quantified into a parameter called Joint Roughness Coefficient (JRC) by visual comparison between Barton’s standard profiles and line profiles of a joint. Since...
Proceedings Papers
Evaluating Characterization Methods for Joint Surface Roughness
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1994
... to scanlines taken across the surface of the discontinuity. Upstream Oil & Gas Patton joint roughness coefficient Reservoir Characterization constitutive model roughness specimen shear strength reservoir geomechanics Rock mechanics joint surface roughness photogrammetry JRC value Barton...
Proceedings Papers
A Practical Approach to a Reliability-Based Stability Evaluation of Precariously Balanced Granite Boulders
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0134
... implementation into geological/geotechnical engineering practice. A case study site is also presented, for which an active mitigation approach using rock bolts is employed. Upstream Oil & Gas Barton Reservoir Characterization Engineering Simulation discontinuity boulder US government strength...
Proceedings Papers
Overcoming Rock Engineering Challenges for Construction of Transport Tunnels in the Himalayas
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1616
.... Barton shotcrete landslide tunnel Grimstad Norway bhasin rock mass quality Upstream Oil & Gas feasibility study Himalaya rock mass classification Reservoir Characterization road tunnel Rock Engineering Challenge construction landslide area ARMA 19 1616 Overcoming rock engineering...
Proceedings Papers
Comparison Between Shear Strength Based on Barton’s Roughness Profiles and Equivalent Synthetic Profiles Based on Fractal Theory
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-022
..., and standard roughness profiles from Barton and Choubey, 1977, using the particle flow code PFC 2D . The results from the numerical shear tests under constant normal load (CNL) are compared with the predicted peak shear strength using Barton’s criterion and a back-calculation of the C value is carried out...
Proceedings Papers
Extension Failure Mechanisms Explain Failure Initiation in Deep Tunnels and Critical Heights of Cliff Faces and Near-Vertical Mountain Walls
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0686
... & Gas Barton Poisson photograph propagation equation ARMA 17-686 Extension failure mechanisms explain failure initiation in deep tunnels and critical heights of cliff faces and near-vertical mountain walls Barton, N. Nick Barton & Associates, Oslo, Norway Shen, B. CSIRO Energy, Brisbane...
Proceedings Papers
Non-linear Shear Strength Descriptions Are Still Needed in Petroleum Geomechanics, despite 50 Years of Linearity
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-252
... mobilization, giving potential permeability enhancement in the case of gas shales and critically stressed fracture sets in NFR. shale gas complex reservoir Reservoir Characterization Upstream Oil & Gas strength petroleum geomechanics roughness bakhtar hydraulic fracturing Barton...
Proceedings Papers
Incorporating Universal Scaling of Fracture Stiffness and Surface Roughness Effects for Improved Productivity Prediction in Naturally Fractured Reservoirs
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-285
... & Gas compressibility fracture stiffness porosity reduction stiffness Barton mechanical aperture pressure depletion hydraulic aperture permeability aperture normal stress specimen stiffness characteristic fractured reservoir depletion prediction closure fracture ARMA 16-285...
Proceedings Papers
Empirical Slope Design for Hard and Soft Rocks Using Q-slope
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-384
.... Introduction The Q-system for characterizing rock exposures, drill core and tunnels under construction was developed from rock tunneling and rock cavern related records and has been used by engineers across the world for over 40 years (Barton et al. 1974 and Barton & Grimstad, 2014). Single-shell B+S...
Proceedings Papers
Deformation Properties of Saw-Cut Fractures in Barnett, Mancos and Pierre Shales
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-420
... performed laboratory experiments on several shale samples from the Barnett, Mancos and Pierre, to characterize their geomechanical properties. A multistage triaxial testing strategy was applied on saw-cut jointed shale samples to measure deformation properties, and then Mohr-Coulomb and Barton's shear...
Proceedings Papers
Rock Mass Classification and Analysis of the Conventional Geomechanical Hypotheses
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-774
... in current design practice are the following Rock Mass Classifications (RMC): RMR - Rock Mass Rating system (Bieniawski, 1973); Q - Tunneling Quality Method (Barton et al., 1974); U - Quantitative Ground Classification, based on contour displacement criterion (Regulation Guide, 1983). In order...
Proceedings Papers
Barton Approach for Predicting Hoek-Brown Residual Parameters
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7634
... normal stress to extensive crushing of contact points at high normal stress. These results in high instantaneous friction angles at low levels of confinement and a curved peak shear strength envelope for both rock masses and rockfills. In this paper the Barton and Kj?rnsli [1] model for predicting...
Proceedings Papers
Probabilistic-Numerical Modeling of Stability of a Rock Slope in Amasya-Turkey
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-486
...) and probabilistic approach for stability analysis of rock slopes. Barton models were used to model the behavior of rock discontinuities and the shear strain was considered as failure indicator of discontinuities. The proposed methodology was applied to a rock slope in Amasya, Turkey. The effect of basic friction...
Proceedings Papers
Quantification of the Geological Strength Index Chart
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-672
... on the basis of two well-established parameters - Joint Condition and RQD. Recommendations for future development of more robust scales are presented. classification Barton GSI chart Bieniawski Reservoir Characterization strength geological strength index chart discontinuity rock mass Upstream...
Proceedings Papers
Comparison of Deformability of Rock Mass By Direct And Indirect Methods
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-115
... expected to vary considerably between left wall and the right wall and between the roof and the floor. Reservoir Characterization modulus value international journal procedure Artificial Intelligence Barton GPa adit classification Himalayan region deformation modulus Singh indirect...
Proceedings Papers
Peak Shear Displacement of Rock Fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-431
... ABSTRACT: Barton suggested 1% displacement as a “rule-of-thumb” for peak shear displacement of fractures (dpeak=0.01 L ). In addition, he introduced an empirical equation for dpeak based on JRC (Joint Roughness Coefficient) and the fracture length ( L ). The effect of normal stress...
Proceedings Papers
Anisotropy of the Strength, Deformability, And Dilatancy of Rock Fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-054
... Abstract Among the constitutive models for rock fractures developed over the years, Barton’s empirical model has been widely used because it is easy to apply and includes several important factors associated with fracture characteristics. Anisotropic behavior of rock joints were investigated...
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