Results 11 to 20 of about 12,995 (225)
Mohr–Coulomb Failure Criterion [PDF]
List of Symbols a (m 1)/(m ? 1) b 1/(m ? 1) c Cohesion C0 Uniaxial compressive strength m (1 ? sin /)/(1 sin /) S0 Inherent shear strength (cohesion) T Uniaxial tensile strength T0 Theoretical MC uniaxial tensile strength / Angle of internal friction l = tan / Coefficient of internal friction r Normal stress on plane s Shear stress on plane r1, r2, r3 ...
Labuz, J., Zang, A.
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The structural plane plays a decisive role in the development processes of rockburst. In this paper, Barton-Bandis criterion of structural plane and its conversion relationship with Mohr-Coulomb criterion are discussed in detail.
Jingyu Kang +6 more
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Finite element analysis of wellbore stability and optimum drilling direction and applying NYZA method for a safe mud weight window [PDF]
Wellbore stability analysis, selecting the optimum drilling direction, and determining the safe and stable mud weight windows are among the major geo-mechanical challenges in the oil and gas industries.
محسن حیدری +2 more
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The axisymmetric Mohr Coulomb yield surfaces have edges and corners in the three-dimensional stress space, which leads to difficulties in numerical calculation.
SUN Rui 1, ZHANG Jian 2, YANG Junsheng 3, YANG Feng 3
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Slope stability analysis: Barodesy vs linear elastic – perfectly plastic models [PDF]
The results of slope stability analysis are not unique. Different factors of safety are obtained investigating the same slope. The differences result from different constitutive models including different failure surfaces. In this contribution, different
Tschuchnigg Franz +2 more
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A Three-Dimensional Elastoplastic Constitutive Model for Geomaterials
The Mohr-Coulomb (M-C) failure criterion has been a popular choice for geotechnical analysis because of its simplicity and ease of use. The fact that the M-C criterion disregards the intermediate principal stress’s impact is a significant drawback.
Dongshuai Tian, Hong Zheng
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Application of modified yield criteria for calculation of safe pressures on the subgrade soil [PDF]
The article deals with design the road constructions by ensuring the shear resistance of the subgrade soil and pavement layers made of weakly cohesive materials.
A.L. Kalinin
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Empirical strength envelope for shale [PDF]
Effectively, strength envelope describes behavior of rock when subjected to common stresses in construction, i.e. compressive, triaxial and tensile stresses.
Abdullah, Rini Asnida +2 more
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A Macroscopic Strength Criterion for Isotropic Metals Based on the Concept of Fracture Plane
Although the linear Mohr−Coulomb criterion is frequently applied to predict the failure of brittle materials such as cast iron, it can be used for ductile metals too.
Jiefei Gu, Puhui Chen, Ke Li, Lei Su
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Wellbore instability is reported frequently as one of the most significant incidents during drilling operations. Analysis of wellbore instability includes estimation of formation mechanical properties and the state of in situ stresses.
R. Gholami +3 more
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