2021
DOI: 10.1016/j.ijrmms.2021.104833
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Formulation and verification of 3D in-situ stress estimation based on differential-direction drilling

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Cited by 12 publications
(3 citation statements)
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“…Most of the techniques used to measure initial stress are also applicable to disturbance stress measurement [11,12]. Among these methods, the stress relief method is unique in its ability to continuously monitor three-dimensional stress changes [13]. It relies on linear elasticity theory and allows for the measurement of absolute stress or stress changes, depending on the specific application [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…Most of the techniques used to measure initial stress are also applicable to disturbance stress measurement [11,12]. Among these methods, the stress relief method is unique in its ability to continuously monitor three-dimensional stress changes [13]. It relies on linear elasticity theory and allows for the measurement of absolute stress or stress changes, depending on the specific application [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…Among the above‐mentioned in situ stress testing methods, over‐coring is a method that can measure the complete three‐dimensional (3D) stress at a specific location of the project (Fairhurst, 2003; Vreede, 1981). Other methods usually only provide partial information on the 3D in situ stress, such as the maximum and minimum principal stresses in the plane normal to the drilled hole (Lin & Zou, 2021). The methods of hydraulic fracturing and over‐coring are time‐ and cost consuming, thus not suitable to be used on a large scale in engineering.…”
Section: Introductionmentioning
confidence: 99%
“…In the design and construction of the excavation of rock masses, two types of in situ stress information are essential: the first is the absolute stress (i.e., the initial original stress state of rock), which is the natural stress existing in the stratum before the excavation of the rock (Hayashi et al, 1997;Xu et al, 2021;Li et al, 2022;Liu et al, 2022); the second is the induced stress of the rock, which is the change in the stress of the surrounding rock during and after excavation (Huang et al, 2014;Lin and Zou, 2021;Chen, 2022;Yuan et al, 2022). At present, the measurement techniques for absolute stress are relatively mature, but there is still a lack of techniques for induced stress.…”
Section: Introductionmentioning
confidence: 99%