Sustainable Stabilization of Fine-grained Soils Against Desiccation - - PowerPoint PPT Presentation

sustainable stabilization of fine grained soils against
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Sustainable Stabilization of Fine-grained Soils Against Desiccation - - PowerPoint PPT Presentation

Sustainable Stabilization of Fine-grained Soils Against Desiccation Induced Cracking CE 488 Environmental Geotechnics Lecture 12 3 ?? Soil Stabilization Mechanical Soil replacement Availability? Compaction/Consolidation


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Sustainable Stabilization of Fine-grained Soils Against Desiccation Induced Cracking

CE 488 Environmental Geotechnics Lecture 12

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3

??

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Soil Stabilization

  • Mechanical
  • Soil replacement
  • Compaction/Consolidation
  • Chemical
  • Lime
  • Cement
  • Chemicals/fibers

Availability? Execution? Greenhouse gases? Geoenvironment contamination? Depletion of natural resources?

Sustainable solution: Industrial by-products ‘Man-made resources’

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Sustainable development: Synthetic soils

Geoenvironment Mining Industrial activity Industrial by- products Processing of by-products Ground modification/ improvement

Sustainable Development

Potential and active Processing 5

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Advanced Characterization

  • Physical- PSD, G, SSA, SWCC
  • Chemical- XRF, CEC, Lime reactivity, pH
  • Mineralogical- XRD
  • Morphological- SEM, Image analysis
  • Micro-structural- MIP, Impedance spectroscopy

Applications

Top covers, liners, pitches, turfs, air strips, Embankments/pavements