SITE INVESTIGATION:
Planning and experimental programme, investigations, exploration for preliminary design, exploration for detailed design, Geo-physical explorations, soundings, probings, boring, boring methods, excavation methods for explorations, ground water investigations, rock boring, miscellaneous exploratory techniques. Numerical problems.
SAMPLING AND IN-SITU FIELD TESTS:
Types of samples, samplers, preservation, shipment and storage of samples, bore log, pore pressure measurements, core recovery, rock strength, rock quality designation In-situ field testing and laboratory investigation of soils and rock, measurement techniques: SPT, SCPT, DCPT, pressuremeter, dilatometer, plate load test. Numerical problems
DATA INTERPRETATION:
Data interpretation for determination of engineering properties of soils and their application to geotechnical design, preparation of site investigation reports
SITE IMPROVEMENT:
General methods of stabilization – shallow and deep, factors governing suitable method, compaction, Drainage: soil and filter permeability, filter criteria, drainage layout and pumping system, Pre-compression and consolidation: principles, sand drains, pore pressure distribution, electro-osmotic and chemical osmotic consolidation. Numerical problems
STABILIZATION:
Mechanical stabilization, lime, cement, bitumen, chemical etc. Grouting: Injection and principles, grouting pressure criteria, grouting equipment, injection chemicals, Thermal methods: heating and cooling effects on soils, equipment, Miscellaneous: moisture barriers and preventing techniques