One-dimensional compression and consolidation of shales

被引:43
作者
Ferrari, Alessio [1 ]
Favero, Valentina [1 ]
Laloui, Lyesse [1 ]
机构
[1] EPFL ENAC LMS, Sch Architecture Civil & Environm Engn ENAC, Lab Soil Mech L, EPFL,Stn 18, CH-1015 Lausanne, Switzerland
关键词
Shales; Consolidation; 1D compression; Opalinus Clay; BEHAVIOR; COEFFICIENT; PRESSURE;
D O I
10.1016/j.ijrmms.2016.07.030
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
This paper presents a comprehensive methodology for analysing the compression and consolidation behaviour of shales. An apparatus was designed to perform oedometric high-pressure tests by applying a maximum vertical total stress of 100 MPa and simultaneously controlling the pore water pressure of the specimen. An analytical method was formulated to analyse the shale consolidation behaviour, which allows information to be gathered on the coefficient of consolidation, stiffness, poroelastic properties, secondary compression and permeability of the tested material as a function of the applied stress conditions. Results obtained on Opalinus Clay shale using the developed methodology are presented and discussed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
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页码:286 / 300
页数:15
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