HEAT MIGRATION THROUGH SOIL MASS AT VARIED TEMPERATURES KARTIK - PowerPoint PPT Presentation

Aug 30, 2023 •235 likes •364 views

26-03-2018 HEAT MIGRATION THROUGH SOIL MASS AT VARIED TEMPERATURES KARTIK KHANNA (174046011) Under the supervision of Prof. D.N. Singh Department of Civil Engineering Indian Institute of Technology, Bombay Powai, Mumbai - 400076 ISSUES FOR

26-03-2018 HEAT MIGRATION THROUGH SOIL MASS AT VARIED TEMPERATURES KARTIK KHANNA (174046011) Under the supervision of Prof. D.N. Singh Department of Civil Engineering Indian Institute of Technology, Bombay Powai, Mumbai - 400076
ISSUES FOR SUSTENANCE 26-03-2018 7 1. Underground high voltage power cables 2. Underground Buried Pipelines 3. Rocket Launching Pads 4. Municipal solid Waste 2 5. High Level Nuclear waste VEGETATION 6. Geothermal piles 6 7. Infrastructure at Sub zero temperatures 4 3 SILTY CLAY 1 . SAND PEAT 5 MARINE CLAY . HARD STRATUM/ ROCK
Unsaturated soil Mass, S= 0.5 Oven Dried Soil Mass FREEZER Bowl Bowl θ = -10 ̊C What will happen to the soil mass? 1. Condensation of Vapours 2. Supercooling of moisture 3. Nucleation of Ice • Pore Ice • Ice lenses 26-03-2018
Heat migration in soil mass at varied temperatures Ta=Ts Ta<Ts Heat Flux Ice Lenses Ice Lenses Cryosuction (c) (b) (a) Moisture migration Frozen Soil Mass Freezing Front/Fringe 26-03-2018
26-03-2018
All Dimensions in cm 10.02 Contact?? 0.24 TR-1 SENSOR NEEDLE 26-03-2018
26-03-2018
THERMO-HYDRO-MECHANICAL BEHAVIOUR OF SOILS PUNEET RATHI (163040014) Department of Civil Engineering Indian Institute of Technology Bombay 16 February 2018
INTRODUCTION High power Energy piles cables Soil – atmosphere interaction Oil recovery from deep depth Blast CO 2 sequestration Nuclear waste 26-03-2018 13:46 CE 488 Environmental Geotechnics | Puneet Rathi | 163040014 11 Oil reservoir
Way forw rward: where research is heading to? Effect of temperature (in general, thermal energy ) on geotechnical properties of soil in its saturated and unsaturated state. • Ground water table • Permeability • Compressibility (or volume change ) • Shear strength 26-03-2018 13:46 CE 488 Environmental Geotechnics | Puneet Rathi | 163040014 12

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