JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY JNTU CIVIL ENGINEERING IV YEAR B.TECH. C.E. I-SEM
GEOTECHNICAL ENGINEERING – II
UNIT – I
SOIL EXPLORATION: Need – Methods of soil exploration – Boring and Sampling methods – Field tests – Penetration Tests – Plate load test – Pressure meter – planning of Programme and preparation of soil investigation report.
UNIT – II
EARTH SLOPE STABILITY: Infinite and finite earth slopes – types of failures – factor of safety of infinite slopes – stability analysis by Swedish arc method, standard method of slices, Bishop’s Simplified method – Taylor’s Stability Number-
Stability of slopes of earth dams under different conditions.
UNIT – III
EARTH PRESSURE THEORIES: Rankine’s theory of earth pressure – earth pressures in layered soils – Coulomb’s earth pressure theory – Culmann’s graphical method
UNIT-IV
RETAINING WALLS: Types of retaining walls – stability of retaining walls.
UNIT – V
SHALLOW FOUNDATIONS: Types – choice of foundation – Location of depth – Safe Bearing Capacity – Terzaghi, Meyerhof, Skempton and IS Methods
UNIT-VI
Safe bearing pressure based on N- value – allowable bearing pressure; safe bearing capacity and settlement from plate load test – allowable settlements of structures – Settlement Analysis
UNIT -VII
PILE FOUNDATION: Types of piles – Load carrying capacity of piles based on static pile formulae – Dynamic pile formulae – Pile load tests – Load carrying capacity of pile groups in sands and clays – Settlement of pile groups.
UNIT-VIII
WELL FOUNDATIONS: Types – Different shapes of wells – Components of wells – functions and Design
Design Criteria – Sinking of wells – Tilts and shifts.
TEXT BOOKS:
1. Basic and Applied Soil Mechanics by Gopal Ranjan & ASR Rao, New Age International Pvt. Ltd, (2004).
2. Foundation Engineering by Varghese,P.C., Prentice Hall of India., New Delhi.
3. Soil Mechanics and Foundations by – by B.C.Punmia, Ashok Kumar Jain and Arun Kumar Jain, Laxmi, publications Pvt. Ltd., New Delhi
