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GEOTECHNICAL ENGINEERING BOOK

GEOTECHNICAL ENGINEERING BOOK

This book GEOTECHNICAL ENGINEERING contains five units;
 
UNIT – 1
Preview of Geotechnical field problems in Civil Engineering, Soil formation, transport and deposit, Soil composition, Basic definitions, Particle size analysis,
Clay minerals, Index properties, Soil classification.

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UNIT – 2
Soil-water systems, capillarity-flow, Darcy’s law, permeability, field and lab tests,
piping,  flow through dams, filters. Soil compaction,
quick sand condition, seepage, flow nets, water content – dry unit weight relationships, OMC, field compaction control, Proctor needle method.

UNIT – 3
Effective stress principle, Stresses due to applied loads, Boussinesq and Westergaard
equations.
Compressibility and consolidation characteristics, Rate of consolidation, Terzaghi’s one
dimensional theory of consolidation and its applications, Over Consolidation Ratio,
determination of coefficient of consolidation and secondary consolidation (creep),
consolidation under construction loading.

UNIT – 4
Shear strength - direct & triaxial shear tests, Mohr – Coulomb strength criterion, drained, consolidated, undrained and unconsolidated tests, dilation, pore pressure, Skempton’s coefficient. Earth pressure theories,
strength of loose and dense sands, Normally Consolidated and Over Consolidated soils, Coulomb and Rankine approaches for c-φ soils, smooth andrough walls, inclined backfill.

UNIT – 5
Characterization of ground, site investigations, groundwater level, methods of drilling, sampling, in situ test,  DCPT,
SPT, CPT,
Types of foundations – shallow / deep, isolated, combined, mat, etc., Definitions, Bearing capacity of shallow foundations (Terzaghi analysis), general, local and punching shear failures, Bearing capacity by consolidation, method, insitu bearing capacity determination,
corrections for size, shape, depth, water table Provisions of IS code of practice, selection of depth of footing, eccentrically loaded footings.

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