Numerical modelling estimation of the ‘tectonic stress plane’ (TSP) beneath topography with quasi-U-shaped valleys

Tan, Chengxuan; Wang, Rui‐Jiang; Sun, Yaru; Wei-zhi, Lei; Wu, Shuren; Yang, Meiling; Sun, Wei

doi:10.1016/s1365-1609(03)00096-0

Cited by 16 publications

(5 citation statements)

References 18 publications

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“…In addition, the stress field near the ground surface can also be affected to some extent by topography, which can induce stress concentrations and stress orientation deflection at the bottom of valleys and the feet of hill slopes [22]. ZK02 and ZK03 are located at the bottom of valleys and near the feet of hill slopes with the height of approximately 110 m, respectively.…”

Section: Results Of Hydraulic Fracturing Measurementsmentioning

confidence: 99%

Near-surface stress measurements in the Longmenshan fault belt after the 2008 Wenchuan Ms8.0 earthquake

Feng

Zhang

Qin

et al. 2015

International Journal of Rock Mechanics and Mining Sciences

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Section: Results Of Hydraulic Fracturing Measurementsmentioning

confidence: 99%

Near-surface stress measurements in the Longmenshan fault belt after the 2008 Wenchuan Ms8.0 earthquake

Feng

Zhang

Qin

et al. 2015

International Journal of Rock Mechanics and Mining Sciences

Self Cite

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“…For the reason that high geo-stress condition and different mechanical properties of aphanitic basalt, rock mass deterioration model which is proved reasonable for the evaluation of brittle rock under high stress was adopted [1][2][3]…”

Section: Resultsmentioning

confidence: 99%

Geo-Stress Direction Evaluation Method Based on Numerical Simulation

Jin

2014

AMM

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The phenomenon of spalling at Baihetan Hydropower Station is influenced by such factors as the stress redistribution in surrounding rock, the local stress concentration and also poor properties of disturbed belt. In this paper, a series of numerical simulation were carried out and some beneficial conclusions were gained as follows: 1) the ratio of maximum shear stress and uniaxial compressive strength is more rational in the prediction of spalling and can give confident explanation for “V” shape pits; 2) the in-situ geo-stress direction is in accordance with NNE and NE.

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“…This is because, with the crease of the number of discharge shocks, new damage is continuously generated inside the rock, and the sound wave is constantly refracted and reflected during the transmission process inside the rock, resulting in the loss of sound wave energy, the extension of the propagation path, and finally the reduction of the sound wave speed. Therefore, before the deformation degree of rock reaches the limit, the damage degree can be used to reveal the damage and accumulation process by using the acoustic wave characteristics of rock [32,33].…”

Section: Variation Of Rock Mechanical Propertiesmentioning

confidence: 99%

Modified Model and Simulation Verification of Rock-Fatigue Damage Considering Repeated Discharge Impact

Guo

et al. 2023

Processes

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The existing rock-fatigue-damage constitutive model fails to consider the influence of discharge energy and discharge times on the effect of rock damage under discharge impact. In this regard, the impact load test of sandstone was carried out. Based on the test results, the quantitative characterization formula of different discharge parameters on the weakening degree of rock compressive strength was established. Based on the TCK (Taylor–Chen–Kuszmaul) model, a constitutive model considering the mechanical properties of rock and the dynamic hange of micro-crack geometric size is established, and the cohesive model is proposed to calculate the crack size. The constitutive model includes the relationship between crack width, crack number, and rock compressive strength, and the change of damage factor D is used to consider the fatigue-damage effect of discharge shock on the rock. The results show that the modified model can quantitatively and accurately reflect the dynamic damage and failure process of rock and that the weakening of rock mechanical properties and the development of micro-cracks can be controlled by designing different discharge parameters.

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Numerical modelling estimation of the ‘tectonic stress plane’ (TSP) beneath topography with quasi-U-shaped valleys

Cited by 16 publications

References 18 publications

Near-surface stress measurements in the Longmenshan fault belt after the 2008 Wenchuan Ms8.0 earthquake

Near-surface stress measurements in the Longmenshan fault belt after the 2008 Wenchuan Ms8.0 earthquake

Geo-Stress Direction Evaluation Method Based on Numerical Simulation

Modified Model and Simulation Verification of Rock-Fatigue Damage Considering Repeated Discharge Impact

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