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November 21, 2025Applied SciencesOpen Access

Strength and Strain Properties of Coal Sludge

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Authors

JAJustyna Adamczyk

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Implication

Tests demonstrate coal sludge's mechanical characteristics for energy production and construction, indicating potential geotechnical uses.

Key Points

  • To evaluate the strength and strain properties of coal sludge for potential geotechnical applications.
  • Conducted direct shear tests to measure internal friction angle and cohesion under various vertical stresses.
  • Performed oedometric tests to assess compressibility over a range of vertical stresses.
  • Prepared coal sludge samples at optimum moisture content and maximum dry density.
  • Internal friction angle was found to be 24° and cohesion measured at 28 kPa.
  • Compressibility results ranged between 0.89 MPa and 6.35 MPa, indicating the characteristics of organic soils.
  • Direct shear test results were comparable to medium-cohesive soils, showing potential for geotechnical application.

Cite This Study

Justyna Adamczyk (2025) studied this question.

synapsesocial.com/papers/6924e3f8c0ce034ddc34f310https://doi.org/10.3390/app152312360
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