Experimental characterisation of the localisation phenomenon inside a Vosges sandstone in a triaxial cell

Published on Dec 1, 2000in International Journal of Rock Mechanics and Mining Sciences7.135
· DOI :10.1016/S1365-1609(00)00057-5
Pierre Bésuelle18
Estimated H-index: 18
('ENS Paris': École Normale Supérieure),
Jacques Desrues28
Estimated H-index: 28
,
S Raynaud1
Estimated H-index: 1
Sources
Abstract
Abstract The behaviour of a Vosges sandstone is studied, including quasi-homogeneous deformation, incipient strain localisation and localised rupture. The homogeneous behaviour is first presented from about 60 experiments in triaxial compression with two slenderness ratios ( H / D =1 and 2), in triaxial extension, and in isotropic compression. A large range of confining pressures (0–60 MPa) is investigated, showing a significant evolution of material response. A strong positive dilatancy is observed at lower pressure, decreasing to become negative (contractancy) at higher pressure. Simultaneously, the strength decreases with increasing confining pressure. The localisation is described in terms of onset of localisation, shear band orientation and patterning. The volumetric strain is analysed inside the band with computed X-ray tomography and electron microscopy. We observed the formation of a gouge layer, and around it, a dilating shear band at lower confining pressure and a compacting shear band at higher pressure. This compacting shear band seems to be the transition mechanism between the brittle and semi-brittle regime.
📖 Papers frequently viewed together
References52
Newest
#1Pierre BésuelleH-Index: 18
La localisation des deformations sous forme de bandes de cisaillement dans des roches tendres et des sols indures est etudiee par une approche experimentale et theorique : L'etude experimentale porte sur trois materiaux de caracteristiques differentes : un gres des Vosges, une siltite du Gard et une marne tendre de Beaucaire. On decrit d'abord la mise en operation d'une cellule triaxiale a haute pression et le developpement d'une instrumentation de mesure des deformations. On presente ensuite un...
#1Jean Sulem (ENPC: École des ponts ParisTech)H-Index: 32
#2Ioannis Vardoulakis (NTUA: National Technical University of Athens)H-Index: 48
Last. Johan TronvollH-Index: 13
view all 5 authors...
On the basis of an extensive experimental program of axisymmetric triaxial compression and extension tests, the mechanical behaviour of a weak sandstone (Red Wildmoor sandstone) is analysed and modelled within the frame of the theory of elastoplasticity. Stress-dependent elasticity and damage are incorporated into the model. Pressure sensitivity of the plastic behaviour is described through a non-linear Mohr–Coulomb model with friction hardening and cohesion softening. Emphasis is given on the c...
Source
Field investigators have recently discovered thin, tabular zones of pure compressional deformation that they called compaction bands. These bands were found in association with shear bands and were postulated to be genetically related to them. At the laboratory scale, compaction bands have been noticed in association with boreholes and preexisting, artificial shear cracks subjected to compressive stress fields. Natural compaction bands are noticeable in outcrops because of their resistance to we...
Source
Introduction to Material Instabilities in Solids (E. van der Giessen & R. de Borst). Stability of Layered Geological Structures: An Asymptotic Solution (Y. Leroy & N. Triantafyllidis). Analysis of Shear Failure in Concrete Materials (K. William, et al.). On the Effects of Inertial Coupling on the Wave-Speeds of Elastic-Plastic Fluid-Saturated Porous Media (B. Loret & E. Rizzi). Microstructured Solids: Non-Linear Model and Analysis of Magneto-Elastic Wave Processes (V. Erofeyev & S. Kovalev). The...
#1D Muir WoodH-Index: 13
#2Adam J CreweH-Index: 19
Last. Alessandro GajoH-Index: 22
view all 4 authors...
#1J. DesruesH-Index: 1
Strain localisation in granular soils and soft rocks has been extensively investigated at the Laboratory JS/IMG of Grenoble, France. Very sccurate, non conventional methods for measuring the evolution of strain field in a strained specimen have been developed, including false relief stereophotogrammetry (FRS) and Computed Tomography (CT). Experimental observations obtained SO far on incipient and developed localisation in “homogeneous” tests are presented. The discussion of the results addresses...
#1Wenlu Zhu (SUNY: State University of New York System)H-Index: 24
#2Laurent G. J. Montési (MIT: Massachusetts Institute of Technology)H-Index: 22
Last. Teng-fong Wong (SUNY: State University of New York System)H-Index: 63
view all 3 authors...
Abstract Triaxial extension experiments were conducted to investigate the influence of radial stress on porosity and permeability (for hydraulic flow along the axial direction) in three porous sandstones. The effective mean stresses were sufficiently high that the samples failed by cataclastic flow, with development of strain hardening and shear-enhanced compaction. Comparison of the new data with triaxial compression data from a previous study shows that the critical stress states for the onset...
Source
#1Teng-fong WongH-Index: 63
#2Christian DavidH-Index: 31
Last. Wenlu ZhuH-Index: 24
view all 3 authors...
Triaxial compression experiments were conducted to investigate the inelastic and failure behavior of six sandstones with porosities ranging from 15% to 35%. A broad range of effective pressures was used so that the transition in failure mode from brittle faulting to cataclastic flow could be observed. In the brittle faulting regime, shear-induced dilation initiates in the prepeak stage at a stress level C' which increases with effective mean stress. Under elevated effective pressures, a sample f...
Source
#1P.N. Mollema (Stanford University)H-Index: 1
#2Marco Antonellini (Stanford University)H-Index: 23
Abstract We present evidence for the existence of tabular zones of localized deformation in aeolian sandstone, that accommodate pure compaction. In this sense they are analogs for anticracks or closing mode I fractures such as pressure solution surfaces or stylolites. The so called “compaction bands” are exposed in outcrops of the Jurassic Navajo Sandstone in the Kaibab monocline, Utah. They are characterized by lack of shear offset across their plane, volume loss, micro fracturing and very litt...
Source
#1Jacques DesruesH-Index: 28
#2René ChambonH-Index: 21
Last. F. MazerolleH-Index: 2
view all 4 authors...
A study of strain localization in triaxial tests on sand, using computed tomography is reported. The inception and the development of the localization are detected and described, both qualitatively and quantitatively. The complex geometrical structures involved in the localization patterns are described and the local void ratio evolution in the localization zone(s) is determined. Dense and loose Hostun RF sand specimens were tested under a confining pressure of 60 kPa. It is shown that strain lo...
Source
Cited By256
Newest
view all 4 authors...
Source
#1Eranga Gayanath Jayawickrama (Tohoku University)H-Index: 1
#2Jun Muto (Tohoku University)H-Index: 15
Last. Hiroyuki Nagahama (Tohoku University)H-Index: 19
view all 4 authors...
Source
#1Xu Chen (CDUT: Chengdu University of Technology)H-Index: 5
#2Minggao Tang (CDUT: Chengdu University of Technology)
Last. Chunan Tang (DUT: Dalian University of Technology)H-Index: 22
view all 3 authors...
Under cyclic disturbances, the free faces of the surrounding rock that simultaneously bears a high geostress may pose potential engineering hazards related to large deformation or displacement. However, the mechanism for the damage and failure of the rock under coupling conditions of triaxial stresses and cyclic disturbance remains elusive. The primary objective of this study was to investigate the effect of confining pressure on the damage evolution and failure behaviors of intact sandstone sam...
Source
#1Yu Sun (MOE: Chinese Ministry of Education)
#2Zaobao Liu (MOE: Chinese Ministry of Education)H-Index: 1
Last. Wanqing Shen (university of lille)H-Index: 15
view all 4 authors...
It is a challenge to simulate numerically the mechanical behaviours of rocks under triaxial compression at low and high confining pressures due to the limitations of constitutive models of rock-lik...
Source
#4Zaobao LiuH-Index: 1
Source
#1Anastasios Tsikrikis (A.U.Th.: Aristotle University of Thessaloniki)
#2Theodosios Papaliangas (International University, Cambodia)
Last. Vassilis Marinos (NTUA: National Technical University of Athens)H-Index: 7
view all 3 authors...
The mechanical behavior of low porosity carbonate rocks is investigated by a series of conventional triaxial compression tests performed at room temperature, at various confining pressures up to 70 MPa and at a constant strain rate of 5 × 10 −5 s−1. Aiming at an improvement of the accuracy and quality of the constant mi of the non-linear Hoek–Brown criterion for jointed rock, four dense, high strength and low-porosity carbonate rocks were tested in conventional triaxial testing, under confining ...
Source
#1Qiang Han (MOE: Chinese Ministry of Education)H-Index: 3
#2Xia-Ting Feng (MOE: Chinese Ministry of Education)H-Index: 53
Last. Yan Zhang (MOE: Chinese Ministry of Education)H-Index: 5
view all 6 authors...
The occurrence of various types of disasters in deep underground engineering is related not only to the strength of the rock mass but also to the crack propagation capacity (CPC) under corresponding stress conditions. The deep-seated rock mass is generally in the stress state of σ1 > σ2 > σ3, and the CPC under differential stress is very important to evaluate the brittle failure of rock. Therefore, based on the deformation characteristics of Baihetan (BHT) basalt under true triaxial compression ...
Source
Source
#1Eleni Gerolymatou (Chalmers University of Technology)H-Index: 7
#2Julia Leuthold (KIT: Karlsruhe Institute of Technology)H-Index: 1
Abstract null null The oedometric compaction of materials with collapsible structure is investigated from a numerical point of view. Such materials form planar zones of localized volumetric deformation that may or may not be accompanied by grain crushing. The purpose of the present work is to investigate the evolution of the permeability and its anisotropy as the result of the formation of compaction bands. The finite element method is used for the simulations with the commercial software ABAQUS...
Source
#1Jeffrey A. Priest (U of C: University of Calgary)H-Index: 19
Source
This website uses cookies.
We use cookies to improve your online experience. By continuing to use our website we assume you agree to the placement of these cookies.
To learn more, you can find in our Privacy Policy.