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Hydrological constraints on the potential of enhanced geothermal systems in the ductile crust
Continental crust at temperatures > 400 °C and depths > 10–20 km normally deforms in a ductile manner, but can become brittle and permeable in...
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A Three-Dimensional Nonlinear Strength Criterion for Rocks Considering Both Brittle and Ductile Domains
A three-dimensional nonlinear strength criterion for rocks considering both brittle and ductile domains is proposed through the combination of the...
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A Micromechanics-Based Multiscale Constitutive Model for Brittle to Ductile Behavior of Porous Geomaterial
Brittle to ductile transition with the increase of confining pressure is a common behavior of porous geomaterial. In the present work, a...
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Mechanical Deformation, Acoustic Emission Characteristics, and Microcrack Development in Porous Sandstone During the Brittle–Ductile Transition
To investigate the micromechanical properties of sandstones during brittle and ductile failure, we conducted uniaxial and conventional triaxial...
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Anisotropy on the ductile-to-brittle transition for rock in process of drilling
Anisotropy is an inherent property of rocks. It refers to the different response of the rock properties in each direction. Understanding the...
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Strain Localized Deformation Variation of a Small-Scale Ductile Shear Zone
A continental-scale strike-slip shear zone frequently presents a long-lasting deformation and physical expression of strain localization in a middle...
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A multi-method investigation of the permeability structure of brittle fault zones with ductile precursors in crystalline rock
Brittle faults and fault zones are among the most hydraulically active elements in predominantly impermeable crystalline host rock. They pose...
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A brittle-ductile index for transversely isotropic rock based on energy evolution of the characteristic stress and its application
The mechanical behavior of the brittle-ductile transformation of rock is an important aspect of rock mechanics research. To study the evaluation...
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Identifying and modeling ductile RC columns with deformed bars
In this paper, empirical equations are proposed to calculate the moment-chord rotation response envelope of ductile rectangular reinforced concrete...
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Origin of metasomatic sillimanite in ductile shear zones: An example from the Proterozoic Sakoli Fold Belt, Bastar Craton, central India
AbstractThe mineral assemblages within ductile shear zones, which act as open systems, may be strongly influenced by the occurrence of mass transfer...
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Ductile behavior of reinforced concrete beam incorporated with basalt fiber
The efficacies of micro basalt fiber positively influence the ductile nature of concrete along with its strength. In this regard, this research is...
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Computer vision-based automated stiffness loss estimation for seismically damaged non-ductile reinforced concrete moment frames
A novel automated image processing-based methodology is proposed for quantification of stiffness degradation in non-ductile reinforced concrete...
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Deformation time and tectonic significance of the Gudonghe ductile shear belt in the Yanbian area, NE China
This paper aims to analyze the deformation characteristics and constrain the deformation time of the Gudonghe ductile shear belt in the Yanbian area,...
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A new constitutive model capturing brittle–ductile transition for crystalline marble
The objective of this work is to develop a new constitutive model based on a modified Mohr–Coulomb (M-C) criterion in order to reflect the...
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Experimental and damage constitutive study of the stress-induced post-peak deformation and brittle–ductile behaviours of prismatic deeply buried marble
Unlike shallow rock, deeply buried rock presents significant brittle–ductile behaviour during the post-peak deformation process. This paper concerns...
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Exploring the Mechanical Properties of Stone Heritage: Investigating the Effects of Low Temperatures on Ductile — Brittle Transition
Ductility is the ability of a material to deform without suffering brittle failure under stresses. Once the load ceases, the acquired deformation...
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In-plane seismic performance of different infill wall systems in ductile reinforced concrete frames
The seismic response of infilled frames draws considerable interest in the earthquake engineering community for the last decades. Whilst the early...
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No more black-boxes: estimate deformation capacity of non-ductile RC shear walls based on generalized additive models
Machine learning techniques have gained attention in earthquake engineering for their accurate predictions, but their opaque black-box models create...
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Structural and microstructural features of Neoproterozoic granites in Figuil: Constraints in ductile shear deformations of the Guider Sorawel shear zone
A less prominent N-S oriented continental-scale strike-slip shear zone occurs within the Babouri-Figuil Magmatic Complex (BFMC). Studies have shown...
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Experimental and numerical seismic assessment of non-ductile reinforced concrete (RC) columns strengthened with glass fiber reinforced polymer (GFRP)
This study presents an experimental and numerical seismic evaluation of non-ductile reinforced concrete (RC) columns strengthened with glass fiber...
