Sustainable Stabilization of Fine-grained Soils Against Desiccation Induced Cracking CE 488 Environmental Geotechnics Lecture 12
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Soil Stabilization • Mechanical • Soil replacement Availability? • Compaction/Consolidation Execution? • Chemical • Lime Depletion of natural resources? Greenhouse gases? • Cement • Chemicals/fibers Geoenvironment contamination? Sustainable solution: Industrial by-products ‘Man-made resources’
Sustainable development: Synthetic soils Geoenvironment Ground modification/ Mining improvement Potential and Processing Sustainable active Development Processing of Industrial by-products activity Industrial by- products 5
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
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