Characteristics of Asperity Damage and Its Influence on the Shear Behavior of Granite Joints
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-017-1315-y
Abstract: Surface roughness significantly affects the shear behavior of rock joints; thus, studies on the asperity damage characteristics and its influence on the shear behavior of joints are extremely important. In this paper, shear tests were… read more here.
Keywords: asperity damage; normal stress; shear behavior; damage ... See more keywords
An Improved 3D Finite Difference Model for Simulation of Double Shield TBM Tunnelling in Heavily Jointed Rock Masses: the DXL Tunnel Case
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-018-1730-8
Abstract: List of symbols Ff Thrust force to overcome friction (MN) Fn Cutterhead thrust force (MN) Fr Required thrust force (MN) R Tunnel radius (m) H Major horizontal principal stress (MPa) h Minor horizontal principal stress… read more here.
Keywords: mpa component; stress mpa; stress; normal stress ... See more keywords
Long-term prognostic value of low-dose normal stress-only myocardial perfusion imaging by wide beam reconstruction: A competing risk analysis
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Cardiology"
DOI: 10.1007/s12350-018-1373-x
Abstract: Background A normal stress myocardial perfusion single-photon emission computed tomography (MPS) is associated with a good clinical outcome. New iterative algorithms, such as wide beam reconstruction (WBR), which improve image interpretation with half-dose or half-time… read more here.
Keywords: low dose; long term; analysis; dose normal ... See more keywords
Numerical analysis on effect of annealing mc-Si ingot grown by DS process for PV application
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.02.077
Abstract: Abstract Silicon solar cells play a crucial role in Photo voltaic (PV) application. We have numerically investigated thermal stress and normal stress components (Sigma 11, Sigma 22, Sigma 33 and sigma 12) by using finite… read more here.
Keywords: thermal stress; sigma sigma; effect; application ... See more keywords
Direct shear behavior of sulfate-exposed shotcrete: Experimental and modelling research
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.03.229
Abstract: Abstract Direct shear tests were carried out on sulfate-exposed and non-exposed shotcrete specimens to study the shear mechanical behaviors, taking into account the effects of normal stress and exposure time. The shotcrete mixtures with different… read more here.
Keywords: shotcrete specimens; sulfate exposed; direct shear; normal stress ... See more keywords
Tectonic tremor as friction-induced inertial vibration
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2021.117238
Abstract: Abstract Slow slip events are often accompanied by tremor but how tremor is generated is yet elusive. In this study, we test the possibility that it is an inertial vibration. In the case of a… read more here.
Keywords: vibration; inertial vibration; rate; tremor ... See more keywords
Experimental study of impact of shearing velocity and effective normal stress on post-shearing permeability evolution of silica fault gouges
Sign Up to like & getrecommendations! Published in 2020 at "Tectonophysics"
DOI: 10.1016/j.tecto.2020.228521
Abstract: Abstract Fault permeability is an important parameter for understanding the occurrence of natural hazards and evaluation of natural gas and oil reservoirs. In this study, effects of shear velocity on the permeability perpendicular to the… read more here.
Keywords: fault; velocity; permeability; effective normal ... See more keywords
Normal stress differences in dense suspensions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2018.743
Abstract: The presence and the microscopic origin of normal stress differences in dense suspensions under simple shear flows are investigated by means of inertialess particle dynamics simulations, taking into account hydrodynamic lubrication and frictional contact forces.… read more here.
Keywords: dense suspensions; stress differences; stress; differences dense ... See more keywords
Large Network Swelling and Solvent Redistribution Are Necessary for Polymer Gels to Show Negative Normal Stress
Sign Up to like & getrecommendations! Published in 2017 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.7b00153
Abstract: We use a statistical thermodynamic model to theoretically predict the normal stress of a polymer gel, which is twisted by a rotational rheometer in the parallel plate geometry. This theory predicts that the normal stress… read more here.
Keywords: network; negative normal; polymer gels; stress ... See more keywords
Normal stress anisotropy and marginal stability in athermal elastic networks.
Sign Up to like & getrecommendations! Published in 2019 at "Soft matter"
DOI: 10.1039/c8sm02192a
Abstract: Hydrogels of semiflexible biopolymers such as collagen have been shown to contract axially under shear strain, in contrast to the axial dilation observed for most elastic materials. Recent work has shown that this behavior can… read more here.
Keywords: marginal stability; stability athermal; athermal elastic; anisotropy marginal ... See more keywords
Rod-climbing rheometry revisited.
Sign Up to like & getrecommendations! Published in 2023 at "Soft matter"
DOI: 10.1039/d3sm00181d
Abstract: The rod-climbing or "Weissenberg" effect in which the free surface of a complex fluid climbs a thin rotating rod is a popular and convincing experiment demonstrating the existence of elasticity in polymeric fluids. The interface… read more here.
Keywords: normal stress; rod climbing; fluid; climbing rheometry ... See more keywords