JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To understand the dynamics of earth and its response, effect on earth structure and measures to mitigate the effects
• 2. To develop the design ground motion for a site by suitable response analysis
• 3. To analyze and design geotechnical structures.

Course Outcomes

At the end of the course, student will be able to

• 1. Understand the causes and quantification of earthquake.
• 2. Carryout ground response analysis
• 3. Find liquefaction susceptibility and remedial measures for seismic hazards
• 4. Design foundations considering earthquake loads

UNIT - I

Earthquake Seismology – Causes of earthquake, Plate tectonics, Earthquake fault sources, Seismic waves, Elastic rebound theory, Earthquake, Intensity and magnitudes, Effects of earthquake, Modified Mercalis intensity scale and seismic instruments.

UNIT - II

Earthquake Ground Motion – Characteristics of ground motion, Effect of local site conditions on ground motions, Design earthquake, Design spectra, Development of site specification and code- based design.

UNIT - III

Ground Response Analysis – One-dimensional ground response analysis: Linear approach, Nonlinear approach, Comparison of one-dimensional ground response analyses. Two-dimensional ground response analysis: Equivalent linear approach, Nonlinear approach, Comparison of two- dimensional ground response analyses.

UNIT - IV

Liquefaction and Lateral Spreading - Liquefaction related phenomena, Liquefaction susceptibility: Historical, Geological, Compositional and State criteria. Evaluation of liquefaction by cyclic stress and cyclic strain approaches, Lateral deformation and spreading, Soil improvement for remediation of seismic hazards.

UNIT - V

Seismic Design of Foundations, Retaining Walls & Slopes - Seismic design requirements for foundation, Seismic bearing capacity, Seismic settlement, Design loads. Seismic slope stability analysis - Internal stability and weakening instability, Seismic design of retaining walls: Dynamic response of retaining walls, Seismic displacement of retaining walls.

REFERENCE:

• 1. Kramer S. L - Geotechnical Earthquake Engineering, Prentice Hall, 1996.
• 2. Bharat Bushan Prasad- Advanced Soil Dynamics and Earthquake Engineering, PHI Learning Pvt. Ltd., New Delhi, 2011.
• 3. R. W. Day - Geotechnical Earthquake Engineering Handbook, McGraw-Hill, 2002. R19 M.TECH GEOTECHNICAL ENGG.
• 4. Naeim, F. - The Seismic Design Handbook, Kluwer Academic Publication, 2nd Edition, 2001.
• 5. Bolt, B. A. - Earthquakes, W. H. Freeman and Company, 4th Edition, 1999.
• 6. Lourie, W. - Fundamentals of Geophysics, Cambridge University press, 1997.
• 7. Kamalesh Kumar - Basic Geotechnical Earthquake Engineering – New Age International Publishers, 1st Edition, 2008
• 8. Dowrick - Earthquake Resistant Design, John Wiley & Sons.(2009) R19 M.TECH GEOTECHNICAL ENGG. M. Tech. (GEOTECHNICAL ENGINEERING)