CE8491 – NOTES & QP
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CE8491 – SYLLABUS
UNIT I SOIL CLASSIFICATION AND COMPACTION
History — formation and types of soil — composition — Index properties — clay mineralogy structural arrangement of grains — description — Classification — BIS — US — phase relationship — Compaction — theory — laboratory and field technology — field Compaction method — factors influencing compaction.
UNIT II EFFECTIVE STRESS AND PERMEABILITY
Soil — water — Static pressure in water — Effective stress concepts in soils — Capillary phenomena–
— Permeability — Darcy?s law — Determination of Permeability — Laboratory Determination (Constant head and falling head methods) and field measurement pumping out in unconfined and confined aquifer — Factors influencing permeability of soils — Seepage — Two dimensional flow — Laplace?s equation — Introduction to flow nets — Simple problems Sheet pile and wier.
UNIT III STRESS DISTRIBUTION AND SETTLEMENT
Stress distribution in homogeneous and isotropic medium — Boussines of theory — (Point load, Line load and udl) Use of Newmarks influence chart –Components of settlement — Immediate and consolidation settlement — Factors influencing settlement — Terzaghi?s one dimensional consolidation theory — Computation of rate of settlement. — vt and log t methods. e-log p relationship consolidation settlement N-C clays — O.C clays — Computation.
UNIT IV SHEAR STRENGTH
Shear strength of cohesive and cohesion less soils — Mohr-Coulomb failure theory — shear strength — Direct shear, Triaxial compression, UCC and Vane shear tests — Pore pressure parameters — Factors influences shear strength of soil.
UNIT V SLOPE STABILITY
Infinite slopes and finite slopes —- Friction circle method — Use of stability number –Guidelines for location of critical slope surface in cohesive and c — soil — Slope protection measures.