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February 19, 2026International Journal of Damage Mechanics

Local strain field deflection around fracture as a precursor to rock-like model instability: The modulating effect of compressive strength

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Authors

XLXianxiu LuSZSU ZhandongMZMingdong Zang

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Overview

Examines local strain direction deflection as a precursor to surface cracking, indicating the impact of compressive strength on rock mass instability.

Key Points

  • The aim is to analyze the relationship between local strain direction deflection and rock-like model instability, particularly the role of compressive strength.
  • Prepared rock-like models to simulate fracture behavior.
  • Analyzed local strain fields around cracks.
  • Measured deflection angles and sliding velocities across different compressive strengths.
  • Increased strain values were observed before model instability.
  • There was a strong correlation between deflection angle and sliding velocity during stable deformation.
  • Higher compressive strength led to greater internal deformation and lower sliding velocities.

Cite This Study

Lu et al. (2026) studied this question.

synapsesocial.com/papers/6996a8efecb39a600b3f032bhttps://doi.org/10.1177/10567895261420410
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Influence of Superimposed Fracture Angle on the Local Deformation Field of Rock-Like Models with Fractures2025
  2. 2Analysis of Deformation–Fracture Evolution and Instability Precursor Characteristics of Rock-Like Models with a Single Pre-existing Flaw2026
  3. 3Development of the Nonlocal Deformation Constitutive Model and Its Application in Exploring the Inclination Effect on Localized Shear Deformation of Rock in FLAC3D2026
  4. 4Expanded pore-emanated cracking model for brittle failure of sedimentary rocks under triaxial compression2024 · 5 citations
  5. 5Study on multi-scale damage and failure mechanism of rock fracture penetration: experimental and numerical analysis2024 · 3 citations