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1-20 of 666
Keywords: displacement
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Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-403
... Abstract Thermal-hydraulic-mechanical (THM) processes in the geological disposal repository will continue for hundreds of years in the initial stage of disposal. The coupled processes influence the overpack displacement, the swelling behavior of the buffer, the deformation of the disposal hole...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-411
... Abstract This paper describes the physical laboratory experiment of oil sand under water injection, including experimental device, sample preparation, experimental design, operating procedure and the results of investigation of displacement sand grains of oil sand sample surface using a non...
Proceedings Papers
D. D. E. F. Melo, J. D. V. Uribe, S. A. B. Fontoura, J. L. R. Anjos, L. F. M. de Almeida, C. J. C. Gonçalves
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-414
... on an axisymmetric finite element analysis of salt caverns and its impact in casing integrity for scenarios of casing shoe set above and below salt base. With the methodology proposed for evolution of cavern dissolution, displacements and plastic equivalent strain are compared. Results show that the casing axial...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-416
...-displacement curves for the basic elements, i.e. single and double-twisted wires, are derived from laboratory tensile tests. The mechanical behavior of the considered mesh is investigated in standard laboratory punch test conditions. The results of these numerical tests permitted to highlight two subsequent...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-421
... with safety factors greater than one, and some slopes also stayed stable with safety factors less than one. wellbore design safety displacement reservoir characterization variability upstream oil & gas metabasalt strength crown pillar stope weathered metabasalt srf shear strength...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-423
... used by mining. The present study analyzed the chemical and mechanical behavior of the rock where an open pit was developed, considering a relation between the pH and the vertical and horizontal displacements of the slopes. It was observed that there is a close relationship with the decrease of the pH...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-428
... mm/s and PPA = 0.08 g for the lowwall slope. In addition, unlike the PPA, the maximum permanent displacement is not that sensitive to the stability of the mine slopes under dynamic loading. 1 Introduction 1.1 Background Bench blasting is a common excavation method in open pit coal mines...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-434
... deformation modulus, intact rock young's modulus and joint spacing. Similarly, the shear stiffness has been calculated. The results show the total displacement of 10.6 cm with a total velocity of 0.43 m/s for the same block in the numerical analysis. 1 Introduction The instability in the hilly region...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-435
... of the rock mass is insufficient, the rock mass will be damaged and the rock mass will lose its resistance and cause a large displacement. Finally, it can lead to failure of the anti-slide pile (Wang Jinhui 2013). excavation university mechanics hunan province stability tensile strength southwest...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-437
... al. 2011). The slide displaced a whole block of Jurassic-Cretaceous rocks of the Socchér Formation, a 250 m thick and ∼ 2 km wide rigid body. Field mapping and limiting equilibrium analyses (Hendron and Patton 1985) indicate that it was displaced a horizontal distance of 450 to 550 m in less than 45...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-442
... unfilled discontinuity rock mechanic equation displacement uniaxial compressive strength prediction Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Using intelligent systems for evaluating the rock slope...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-355
... Abstract A design guide for support selection during tunnelling is proposed in order to minimize the impact of the subjectivity of the decision makers. This method relates different rock mass qualities, displacement of the tunnel perimeter and support. The rock mass is characterized during...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-365
... masses. A dynamic module of stress-strain analysis was developed, based on finite element method displacement formulation, in order to estimate the variations in displacement, strain and stresses fields induced by blasting. From this study, it is possible to evaluate the effect of the detonation pressure...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-372
... rutqvist reservoir geomechanics displacement wiley online library journal simulation frictional coefficient elsevier Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Coupled X-FEM approach to reproduce...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-399
... impacts directly on the production and displacement curves and consequently on the planning of interventions of an oil field. The scenario idealized in this paper is described in detail so the results presented here may be reproduced and compared with other methodologies when geomechanical effects...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-302
... Abstract An indirect formulation for the boundary element method (BEM) has been used in a variety of linear elastic infinite domains containing joints, faults, and excavations. The displacement discontinuity (DD) method is employed to describe the behaviour of joints, while the boundaries...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-312
... the geologic structure of the rock mass (Lemos, 2011). cohesion strength shear strength algorithm concrete-rock interface displacement reduction procedure strength reduction procedure application underground cavern upstream oil & gas procedure residual cohesion wedge stability safety...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-316
... displacement landslide upstream oil & gas foundation uttarakhand safety indian standard literature Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 A FEM study on bearing capacity and safety of shallow...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-320
... for investigating the deformation characteristics of squeezing rock tunnel under high geostress. deformation tunnel category kelvin model equation reservoir characterization applicability grc time-dependent grc upstream oil & gas displacement outmost boundary dashpot undergr reservoir...
Proceedings Papers
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-321
... in marble is characterized by plastic deformation and it might reach large displacements easily noticed visually, as reported by Gelk et al (2004) and TEAM (2005). This phenomenon might occur toward concave and convex sides, as presented in Figure 1. deformation displacement formulation...