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Mohr Coulomb

Craters in concrete slabs due to detonation – drawbacks of material models with a Mohr-Coulomb yield surface

Craters in concrete slabs due to detonation – drawbacks of material models with a Mohr-Coulomb yield surface

... This work gives a short introduction into constitutive relations which are used in commercial available finite element codes. The material models are based on Mohr-Coulomb yield surfaces and an isotropic ...

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The Mohr–Coulomb criterion for intact rock strength and friction – a re-evaluation and consideration of failure under polyaxial stresses

The Mohr–Coulomb criterion for intact rock strength and friction – a re-evaluation and consideration of failure under polyaxial stresses

... The interpretation of borehole breakouts, analysis of bore- hole stability and estimation of far-field stresses provide good examples of where the use of a polyaxial failure cri- terion may be important. Around a ...

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Complete limiting stress solutions for the bearing capacity of strip footings on a Mohr-Coulomb soil

Complete limiting stress solutions for the bearing capacity of strip footings on a Mohr-Coulomb soil

... BEARING CAPACITY OF STRIP FOOTINGS ON MOHR–COULOMB SOIL assumed a wedge base angle of /4 + /2 consistent with the weightless soil case, and solved the characteristic equations such that [r] ...

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On understanding the applicability of Mohr Coulomb failure hypothesis for composite materials using UnitCells©

On understanding the applicability of Mohr Coulomb failure hypothesis for composite materials using UnitCells©

... of Mohr-Coulomb theory of failure and understand its extend of applicability to composite materials by conducting finite element based micromechanical analysis using UnitCells© as a ...the ...

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A non-stationary earthquake probability assessment with the Mohr–Coulomb failure criterion

A non-stationary earthquake probability assessment with the Mohr–Coulomb failure criterion

... Figure 10 shows the result for another scenario under a return period of 162 ± 100 years. Similar to the previous cal- culation shown in Fig. 9, the earthquake probabilities in the three 10-year periods with different ...

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Wide shear zones and the spot  model: Implications from the split-bottom geometry

Wide shear zones and the spot model: Implications from the split-bottom geometry

... the Mohr-Coulomb picture is from co-axiality in wide shear zones, let us return briefly to the approximation in which we think of the cylindri- cal Couette cell as being built up from slices of the two- ...

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Study on the fracture mode of low permeability shale under different confining pressures

Study on the fracture mode of low permeability shale under different confining pressures

... a Mohr Coulomb failure criterion and Griffith criterion, from the theoretical analysis of rock fracture behavior, and the rock is divided into three modes: tension fracture, shear fracture and tension shear ...

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... the MohrCoulomb (M-C) criterion with the elasto-brittle-plastic model, and considered the dilatancy characteristics of the surrounding rock after ...

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Interaction of subgrade resistance and dimensions of asphalt pavement surface cracks on propagation of secondary distresses

Interaction of subgrade resistance and dimensions of asphalt pavement surface cracks on propagation of secondary distresses

... Until now, different finite element software was used for modeling pavement; ANSYS finite element software is used mostly, which is used for modeling cracked pavement too [3]. Likewise, ABAQUS software is packaged ...

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Shear Strength Characteristics of Coir Fibre Stabilised Stone Matrix Asphalt Mixtures

Shear Strength Characteristics of Coir Fibre Stabilised Stone Matrix Asphalt Mixtures

... the Mohr-Coulomb failure ...the Mohr-Coulomb failure envelope represented by the cohesion c and angle of internal friction φ for the control mixture and coir fibre stabilized mixture (3samples ...

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An approach to well bore wall stability analysis by MATLAB and FLAC3D software for Salman oil field

An approach to well bore wall stability analysis by MATLAB and FLAC3D software for Salman oil field

... 4-17 Graph of lower and upper limit of the window of mud based on changes of azimuth at point 2 with the use of the criteria of failure of Mohr Coulomb ....... 82 4-18 Graph of lower and upper limit of the ...

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ABSTRACT Rotary tiller or ROTAVATOR (derived from rotary cultivator) is a tillage machine designed for

ABSTRACT Rotary tiller or ROTAVATOR (derived from rotary cultivator) is a tillage machine designed for

... the Mohr-Coulomb failure criterion and it is used to describe the friction shear resistance of soils together with the normal effective ...the Mohr-Coulomb shear resistance ...

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Slope Stability Evaluations by Limit Equilibrium and Finite Element Methods Applied to a Railway in the Moroccan Rif

Slope Stability Evaluations by Limit Equilibrium and Finite Element Methods Applied to a Railway in the Moroccan Rif

... The finite element method makes it possible to calcu- late stresses and deformations state in a rock mass, sub- jected to its self weight with the assumption of the be- havior law adopted. In our calculations, a model ...

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Investigating the Effects of some Geotechnical Properties on Exploitation of some selected Laterite Deposits in South West, Nigeria

Investigating the Effects of some Geotechnical Properties on Exploitation of some selected Laterite Deposits in South West, Nigeria

... linear MohrCoulomb failure criterion utilizing the notion of safety factors with respect to shear strength, where their average results of cohesion, angle of friction, bulk density and moisture content ...

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Frictional Strain Hardening-softening in Experimental and Numerical Investigation of Arching Effect

Frictional Strain Hardening-softening in Experimental and Numerical Investigation of Arching Effect

... In the current paper, the results of a numerical simulation that were verified by a well instrumented experimental procedure for studying the arching effect over a trapdoor in sand is presented. To simulate this ...

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Reuleaux plasticity: Analytical backward Euler stress integration and consistent tangent

Reuleaux plasticity: Analytical backward Euler stress integration and consistent tangent

... over MohrCoulomb and Drucker– Prager yield envelopes in that it incorporates dependencies on both the Lode angle and intermediate principal stress, without incurring the run time penalties of more ...

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Coulomb Effects in Few-Body Reactions

Coulomb Effects in Few-Body Reactions

... long-range Coulomb interaction in the description of the three- and four-particle scattering is a challenging task in theoretical few-body nuclear ...the Coulomb potential prevents the di- rect application ...

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Multiple coulomb scattering of muons in MICE

Multiple coulomb scattering of muons in MICE

... Multiple coulomb scattering of muons in the lithium hydride (LiH) MICE absorber has been studied in the presence of magnetic fields using a convolution method, which has the advantage over typically used ...

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Design optimization of Coulomb blockade devices

Design optimization of Coulomb blockade devices

... We investigate the design of a Coulomb blockade device consisting of a rectangular array of quantum dots or ultrasmall metallic islands with regard to its stability against geometric siz[r] ...

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Coulomb dissociation another “Trojan Horse”

Coulomb dissociation another “Trojan Horse”

... Figure 2 schematically shows the Coulomb dissociation process. When a projectile nucleus A is passing the vicinity of a high Z nucleus, the projectile feels the presence of the electric field generated by the high ...

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