Compaction banding in high‐porosity carbonate rocks: 1. Experimental observations

Y Abdallah, J Sulem, M Bornert… - Journal of …, 2021 - Wiley Online Library
Identifying the mechanisms that control the formation of compaction bands is of high interest
in reservoir mechanics since these structures may drastically affect the performance of …

Compaction bands in Tuffeau de Maastricht: insights from X-ray tomography and multiscale modeling

H Wu, A Papazoglou, G Viggiani, C Dano, J Zhao - Acta Geotechnica, 2020 - Springer
We present a study on compaction band in a high-porosity limestone (Tuffeau de Maastricht)
based on comparison and analysis of X-ray tomography observations and computational …

The dynamic evolution of compaction bands in highly porous carbonates: the role of local heterogeneity for nucleation and propagation

X Chen, H Roshan, A Lv, M Hu… - Progress in Earth and …, 2020 - Springer
The formation of compaction bands in porous brittle rocks such as sandstones and
carbonates has a significant impact on the localization mechanisms preceding earth and …

Viscoplastic interpretation of localized compaction creep in porous rock

G Shahin, F Marinelli… - Journal of Geophysical …, 2019 - Wiley Online Library
Recent laboratory evidence shows that compaction creep in porous rocks may develop
through stages of acceleration, especially if the material is susceptible to strain localization …

Simulation of localized compaction in Tuffeau de Maastricht based on evidence from X-ray tomography

G Shahin, A Papazoglou, F Marinelli… - International Journal of …, 2019 - Elsevier
Deformation experiments with concurrent X-ray microtomography are used to characterize
the mechanical properties of a high-porosity carbonate rock from Central Europe (the …

Effect of compaction banding on the hydraulic properties of porous rock: part I—experimental investigation

J Leuthold, E Gerolymatou, MR Vergara… - Rock Mechanics and …, 2021 - Springer
The mechanical behavior and the influence of compaction banding on the hydraulic
properties in soft porous rocks were studied. The tested rock was Calcarenite Tuffeau de …

[HTML][HTML] A thermodynamics-based model for brittle to ductile behaviour and localised failure of porous rocks

A Mir, GD Nguyen, AH Sheikh - International Journal of Solids and …, 2018 - Elsevier
This study presents the development of a thermodynamics-based constitutive model for
describing the macro-mechanical behaviour of porous rocks. The model formulation is …

Simulating spatial heterogeneity through a CT-FE mapping scheme discloses boundary effects on emerging compaction bands

G Shahin, G Viggiani, G Buscarnera - International Journal of Solids and …, 2020 - Elsevier
Deformation experiments on porous rocks conducted at sufficiently high confining pressure
may result into localized compaction. While strain localization is expected to be triggered by …

Effect of Compaction Banding on the Hydraulic Properties of Porous Rock-Part II: Constitutive Description and Numerical Simulations

J Leuthold, E Gerolymatou, T Triantafyllidis - Rock Mechanics and Rock …, 2021 - Springer
In this paper the performance of a constitutive model for the description of the hydro
mechanical behaviour of soft rock is evaluated with respect to the experimentally observed …

Simulation of emergent compaction banding fronts caused by frictional boundaries

G Shahin, G Buscarnera - Géotechnique Letters, 2020 - icevirtuallibrary.com
This study examines the role of boundary friction in promoting heterogeneous compaction in
soft rock specimens loaded at high confining pressure outside the domain of compaction …