Three-dimensional in situ stress determination by anelastic strain recovery of a rock core

Matsuki, Koji; Takeuchi, Katsuzi

doi:10.1016/0148-9062(93)90064-k

Cited by 62 publications

(57 citation statements)

References 3 publications

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“…As mentioned above, Matsuki (1991) proposed a method for determining three-dimensional in-situ stresses based on the ASR measurements. For an isotropic viscoelastic material, when the in-situ stresses and the pore pressure are released stepwise at time t = 0, the recovery behavior of viscoelastic deformation should consist of two independent modes; shear and volumetric deformation modes.…”

Section: Outline Of Asr Methodsmentioning

confidence: 99%

“…By applying the correspondence principle of linear viscoelastisity and making the assumption that the bulk modulus of the rock matrix is not a viscoelastic parameter, anelastic normal strain ε a t ( ) recovered during the time from 0 to t in an arbitrary direction, the direction cosines of which are defined as l, m, n with respect to X, Y, Z axes, is given by the following equation (Matsuki 1991;Matsuki and Takeuchi 1993): …”

Section: Outline Of Asr Methodsmentioning

confidence: 99%

“…Originally, this method, firstly proposed by Voight (1968) and then developed by Teufel (1983), was based on the assumption that vertical stress is one of the three principal stresses, and only two-dimensional measurement was conducted. Subsequently, this method was theoretically extended to a three-dimensional version by Matsuki (1991). However, the three-dimensional method has found little practical application (Matsuki and Takeuchi 1993;Lin et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Subsequently, this method was theoretically extended to a three-dimensional version by Matsuki (1991). However, the three-dimensional method has found little practical application (Matsuki and Takeuchi 1993;Lin et al 2006). …”

Section: Introductionmentioning

confidence: 99%

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Preliminary Results of Stress Measurement Using Drill Cores of TCDP Hole-A: an Application of Anelastic Strain Recovery Method to Three-Dimensional In-Situ Stress Determination

Yeh¹,

Ito²,

Hirono³

et al. 2007

Terr. Atmos. Ocean. Sci.

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In order to understand the feature of rock stress change at different depths above, within, and beneath the Chelungpu fault after the Chi-Chi earthquake, we employed a core-based stress measurement method, anelastic strain recovery (ASR) technique to determine both the orientations and magnitudes of present three-dimensional principal rock stresses using drill core samples retrieved from Taiwan Chelungpu-fault Drilling Project (TCDP) main Hole-A. The core samples used were taken from three depths; and their lithology were sandstone at depths of 592 and 1755 m and siltstone at 1112 m. The anelastic strains of the specimens in nine directions, including six independent directions, were measured after its in-situ stress was released. Acquired anelastic strains were of high quality and reached several hundred microstrains, which is sufficiently high for the accuracy of the measurement system used. Thus, the strain data could be used for threeTerr. Atmos. Ocean. Sci., Vol. 18, No. 2, June 2007 380 dimensional analysis resulting in the determination of orientations and the estimation of magnitudes of the principal in-situ stresses. Preliminary stress measurement results showed that the orientations of principal stresses changed between the shallower depth above the fault and the deeper depth beneath it, that is, the present stress distribution in the TCDP hole might be influenced by the Chelungpu fault rupture. At the same time, anelastic strain recovery measurement is well suited for the task of directly determining the orientations of principal in-situ stresses and to estimate the magnitude of stresses at large/great depth.

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Section: Outline Of Asr Methodsmentioning

confidence: 99%

Section: Outline Of Asr Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Preliminary Results of Stress Measurement Using Drill Cores of TCDP Hole-A: an Application of Anelastic Strain Recovery Method to Three-Dimensional In-Situ Stress Determination

Yeh¹,

Ito²,

Hirono³

et al. 2007

Terr. Atmos. Ocean. Sci.

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“…In many laboratory testing situations, it can be considered zero-but not always: for example, the Anelastic Strain Recovery method [41,42,43] determines underground three dimensional in situ stress by measuring how rocks taken from the drill core relax from deformed to undeformed state. In parallel, in a civil engineering underground situation, initial deformedness of soil or rock is nonzero because of self-weight and other effects.…”

Section: Elastic Kinematics Is About a State Not A Changementioning

confidence: 99%

Kinematic quantities of finite elastic and plastic deformation

Fülöp

Ván

2012

Math Methods in App Sciences

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Kinematic quantities for finite elastic and plastic deformations are defined via an approach that does not rely on auxiliary elements like reference frame and reference configuration, and that gives account of the inertial-noninertial aspects explicitly. These features are achieved by working on Galilean spacetime directly. The quantity expressing elastic deformations is introduced according to its expected role: to measure how different the current metric is from the relaxed/stressless metric. Further, the plastic kinematic quantity is the change rate of the stressless metric. The properties of both are analyzed, and their relationship to frequently used elastic and plastic kinematic quantities is discussed. One important result is that no objective elastic or plastic quantities can be defined from deformation gradient.

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Stress State in the Kumano Basin and in Slope Sediment Determined From Anelastic Strain Recovery: Results From IODP Expedition 338 to the Nankai Trough

Oohashi

Lin

et al. 2017

Geochem Geophys Geosyst

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Three‐dimensional, in situ stresses in the Kumano Basin and slope sediment (IODP Sites C0002 and C0022) in the Nankai Trough, southwest Japan, have been determined using the anelastic strain recovery (ASR) of core samples. Two samples taken from Hole C0002J, located in the bottom of the Kumano Basin, indicate that the maximum principal stress, σ1, is vertical. The intermediate principal stress, σ2, is oriented ENE–WSW, parallel to the trench axis. These stress orientations are similar to those obtained using ASR and borehole breakout methods in previous expeditions. In contrast, a sample from the lower section of the slope sediment (Hole C0022B), located beneath the megasplay fault, is characterized by σ1 plunging moderately to the ESE and σ3 oriented near‐horizontally, trending NNE–SSW. The direction of maximum horizontal stress obtained from ASR (WNW–ESE) is similar to that inferred from borehole breakouts in an adjacent hole (NW–SE). Trench‐normal compression and a near‐vertical σ2 are also inferred from focal mechanisms of very‐low‐frequency earthquakes within the Nankai accretionary prism, and from borehole breakouts in the hanging wall of the megasplay fault. These observations suggest that the horizontal compressional regime extends to a shallower level than previously thought, likely due to the shallow portion of the megasplay fault accumulating tectonic stress in response to plate convergence.

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Three-dimensional in situ stress determination by anelastic strain recovery of a rock core

Cited by 62 publications

References 3 publications

Preliminary Results of Stress Measurement Using Drill Cores of TCDP Hole-A: an Application of Anelastic Strain Recovery Method to Three-Dimensional In-Situ Stress Determination

Preliminary Results of Stress Measurement Using Drill Cores of TCDP Hole-A: an Application of Anelastic Strain Recovery Method to Three-Dimensional In-Situ Stress Determination

Kinematic quantities of finite elastic and plastic deformation

Stress State in the Kumano Basin and in Slope Sediment Determined From Anelastic Strain Recovery: Results From IODP Expedition 338 to the Nankai Trough

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