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Keywords: tensile strength
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1437
... by systematically comparing of uniaxial and triaxial compressive strength, tensile strength, shear strength, internal friction angle, cohesion strength, Young's modulus, Poisson's ratio, brittleness index, fracture amount, and failure modes versus depth. Sandstone strength and mechanical behavior were analyzed...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1438
... mechanic experiments were conducted on shale samples from the same formation with various depths. Rock mechanical properties such as triaxial compression and brittleness were focused on to acquire variation laws of mechanical parameters such as triaxial compressive strength, tensile strength, shear...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1570
... "reservoir" zones. Subsequently, a detailed mechanical characterization was carried out on core plugs taken from each of these zones. Results show nominally "ductile" zones are weaker in terms of UCS, tensile strength, fracture toughness, and confined compressive strength. However, by a variety...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1590
..., has been therefore widely used as a predictor for in-situ rock spalling strength. The aim of this study is to investigate the effect of material elasticity, porosity, and tensile strength on the crack initiation stress level based on the results of over 3,000 experiments collected from the literature...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1614
.../cm 3 respectively. The compressive strength and tensile strength of the rocks investigated varied up to 200 MPa and 17 MPa respectively. There is very limited property correlation in the literature for the rocks. Vipulanandan correlation model was effective in relating the tensile strengths...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1195
... resistance internal friction angle structural geology drillstem/well testing plasticity upper duvernay criterion effective stress contribution vertical direction fracability elastic property gradient tensile strength upstream oil & gas pore pressure the overburden stress poisson...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1166
... characterization bi-wing fracture horizontal fracture reservoir geomechanics orientation borehole minimum in-situ stress rock formation fracture run 4 packer algorithm tensile strength run 1 inversion algorithm upstream oil & gas impression packer mpa sensor in-situ stress ARMA 21 1166...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1119
... borehole reservoir characterization upstream oil & gas rise time radial fracture base case specimen tensile strength fragment fracture peak pressure petroleum engineer complex reservoir bond break particle dem-continuum mechanics modeling symposium mechanics association ARMA-21-1119...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2128
... pressure gradient in-situ stress tensile strength exploration well ARMA 21 2128 An Integrated Approach to Evaluating Wellbore Instability in an HPHT Field in the South China Sea Junliang Yuan CNOOC Research Institute, Beijing, China Mingming Chu, Yongcun Feng*, Baohua Yu, Chunfang Zhang, and Jingen...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1928
... drilling operation desroch closure stress building block injection rate information borehole stress-measurement campaign fracture protocol fracture closure tensile strength ARMA 21 1928 Stress-Measurement Campaign in Scientific Deep Boreholes: from Planning to Interpretation Desroches, J...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1233
... tensile strength equation discrete element method stiffness agofack cement sheath propagation ARMA 21 1233 Numerical simulation of fractures propagation around the wellbore: Effect of the surrounding rock's stiffness Agofack, N. and Cerasi, P. SINTEF Industry, Petroleum department, Trondheim...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1250
... tensile strength mpa stiffness input parameter contact type simulation macroscopic behavior walton heterogeneity factor poisson friction angle peak cohesion triaxial test ARMA 21 1250 The Influence of Heterogeneity of Block Contact Input Parameters on Model Behavior for Bonded Block Models...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1265
... ABSTRACT: Combined effect of specimen size and loading rate on the rock tensile strength was investigated in this work. The dynamic rock fracture and disintegration was simulated numerically using the 3D hybrid finite-discrete element computer code CA3. The rock under the impact loading...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1749
... characterization complex reservoir cumulative energy particle connected fracture network mechanical properties fracture granite fracture performance fracture propagation demolition agent reservoir rock mineral tensile strength ARMA 21 1749 Investigation of the fracture performance of soundless...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1795
... of crushed rocks are commonly used raw materials for production of geopolymers. Geopolymerized mine tailings have a wide application in building and construction industry. The compressive strength of geopolymer was extensively studied by many researchers; however, the tensile strength remains largely...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1822
... by the addition of Bentonite NPs. A series of tests investigating the fluid loss, rheology, thickening time, tensile strength, shear bond strength, and UCS were carried out and their results are reported herein. cement formulation cement chemistry reduce non-productive time wellbore integrity casing...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1157
... strength of geomaterials at different effective stresses, is based on the classical Coulomb (1776) failure theory and the Mohr (1990) assumption that failure depends only on the maximum and minimum principal stresses. To define the tensile strength of materials, the Mohr-Coulomb model usually requires...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1790
... consulting group breccia triaxial test tensile strength ARMA 21 1790 Breccia Properties Determined by Synthetic Rock Mass Modeling Lorig, L. and Varun Itasca Consulting Group, Inc., Minneapolis, Minnesota, USA Alvarez, C., Cabrera, A. and Orellana, F. Itasca Chile SpA, Santiago, Chile Copyright 2021...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1585
..., the details of the code development are presented. Then, the implementations made on the code are verified upon the simulation of two types of laboratory tests commonly employed in rock mechanics (Brazilian tensile strength test and uniaxial compressive strength test), in which the parameters used...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1735
..., the effects of (i) lower binder proportions (2 wt.% and 4 wt.% by solids mass), and (ii) internal vibration on the designed CTB density, unconfined compressive strength (UCS), tensile strength, and the amount of tailings usage were evaluated. The results showed that the 4 wt.% binder backfill specimens...

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