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April 3, 2026Journal of Rock Mechanics and Geotechnical EngineeringOpen Access

Influence of weathering on the physicomechanical properties of sandstone: Multi-scale analysis

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Authors

JQJiangmei QiaoWuhan UniversityYTYuwen TongWuhan UniversitySXShengzong XuWuhan University

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Implication

Demonstrates how weathering alters sandstone properties, suggesting implications for heritage conservation and stability assessments.

Key Points

  • The aim is to analyze how weathering affects sandstone's physicomechanical properties at multiple scales.
  • Collected sandstone samples with varying weathering degrees
  • Conducted microscale experiments to analyze mineral composition and microstructure
  • Integrated microscale data into an accurate grain-based model to assess macroscale properties
  • Observed a significant reduction in Young's modulus from 40.9 GPa to 14.1 GPa due to weathering
  • P-wave velocity decreased from 5.05 km/s to 2.81 km/s under weathering conditions
  • Weathering caused mineral softening and promoted micropore and microcrack formation

Cite This Study

Qiao et al. (2026) studied this question.

synapsesocial.com/papers/69cf5f305a333a821460e36fhttps://doi.org/10.1016/j.jrmge.2026.03.011
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