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June 13, 2026MathematicsOpen Access

Mechanical Failure of Sandstone with Directional Heterogeneous Water Distribution Under Uniaxial Compression

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Authors

YXYingming XiaoHLHongru LiMHManchao He

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Overview

Randomized trial investigates mechanical behavior of sandstone with varying water states, highlighting implications for underground engineering stability.

Key Points

  • This research examines how different water distributions affect the mechanical properties and failure behaviors of sandstone under stress.
  • Controlled laboratory tests on Linyi red sandstone specimens with various water states: oven-dried, fully saturated, axially semi-saturated, radially semi-saturated.
  • Uniaxial compression tests to evaluate the mechanical response and failure behaviors under directional water distribution.
  • Simplified discrete element simulations to analyze damage evolution and localization in sandstone specimens.
  • Fully saturated specimens exhibit a 40–60% reduction in uniaxial compressive strength and deformation modulus compared to oven-dried specimens; semi-saturated specimens have intermediate values.
  • Failure in semi-saturated specimens is more likely to initiate in regions affected by water distribution, indicating a shift in failure patterns.
  • Microcrack development is influenced by heterogeneous water distribution, with transitions acting as sensitive zones for crack initiation.

Cite This Study

Xiao et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf57cfaef96ed7f057894https://doi.org/10.3390/math14122097
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Also Consider

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

  1. 1Mechanical Behavior of Sandstone Under Partial Water Immersion: Implications for Building Foundations and Underground Structures2026
  2. 2Damage evolution and microscopic failure characteristics of dense sandstone at different water contents2026
  3. 3Water Saturation Effects on Shear Mechanical Behavior of Rough Structural Planes in Sandstone2026
  4. 4Experimental study on the influence of different sampling methods on the stress-strain and strength characteristics of weathered and water rich sandstone2024
  5. 5Evolution of Mechanical Behaviors, Consolidation and Failure Mechanisms in Sandstone Materials Under Compressive Stress: The Role of Chemical Remediation Cycles2026