GEOTECHNICAL & FOUNDATION ENGINEERING
Group A

Description of assemblage and individual particles, classification, etc. Soil types.
Geostatic stresses, stresses due to applied loads, stress point, stress paths, principle of
effective stress. Soil-water systems, capillarity, flow through soils. Darcy's law, tests to
determine the coefficient of permeability in the lab and in situ, one-dimensional flow, total
elevation and pressure heads, piping/quicksand condition.
Two-dimensional flow, seepage, continuity condition, methods of solution, confined and
unconfined flows, flow nets, etc. Tests for strength and stress strain relations, stress paths.
One-dimensional compression test, compressibility parameters, maximum past consolidation
pressure, OCR, phenomenon of consolidation, Terzaghi theory, coefficients of consolidation
and secondary compression (creep), consolidation under construction loading, vertical drains,
radial flow consolidation, etc.
Strength and triaxial testing, Mohr-Coulomb strength criterion, drained, consolidated,
undrained and undrained tests, strength of sands loose and dense) and fine grained (NC and
OC) soils, partially saturated soils, volume changes (dilation and contraction) due to shear
stresses.










Group B

 

Characterization of ground, site investigations, methods of drilling/boring, sampling and in
situ tests SPT, CPT, plate load test and its limitations, groundwater levels, etc.
Bearing capacity of foundations, general, local and punching shear modes, theories,
corrections for different conditions, ultimate and allowable pressures, methods based on in
situ tests.
Settlement of foundations, one- two- and three dimensional approaches, immediate
consolidation and creep settlements, stress path method, methods based on III Situ tests, etc.
Choice of type of foundations, shallow/deep, isolated, combined, strap, trapezoidal or mat
foundations, contact pressure, distribution, basics of footing design. Ground improvement
methods, preloading, vertical drains, vibrocompaction, stone columns, heavy tamping, etc.
Earth pressure theories, Coulomb and Rankine theories, effect of, layering, water level, etc.
Retaining walls, types-gravity, cantilever, counterfort, reinforced. earth, ete. Design methods,
checking for stability.
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