'Structural Dynamics and Seismic Design' is a course offered in B. Tech. in Civil Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.
Unit 1
Introduction to structural dynamics – importance of structural dynamics - types and sources of dynamic loads - distinguishing features of a dynamic problem – methodology for dynamic analysis – types of structural vibration - basic terminology.
Single Degree of Freedom: Linear systems: Equation of motion - components of vibration system - natural frequency - viscous damping - response to undamped and damped free and forced vibration - response to support motion – principle of accelerometers and displacement meters.
Unit 2
Two Degrees of Freedom: Equations of motion - Eigen value problem - free vibration response – forced vibration response to harmonic excitation - response to support motion - modal analysis.
Earthquake Resistant Design: Elements of Engineering Seismology - Indian Seismicity – faults – seismic waves – earthquake intensity and magnitude – earthquake ground motion - behaviour of structures in the past Earthquakes – basic terminology.
Earthquake Response: Linear systems: Earthquake ground motion – response spectrum - response history analysis
Unit 3
IS codal provisions for the determination of lateral loads – modal analysis. Soil liquefaction – soil-structure interaction effects.
Design Concepts: Seismic Design Concepts - design spectrum - Earthquake Resistant Design of simple framed structures – IS:1893 codal provisions - ductile detailing of Reinforced Concrete frames as per IS:13920.
TEXTBOOKS
- Mario Paz, “Structural Dynamics”, Springer, 2007.
- Pankaj Agarwal, Manish Shrikhande, “Earthquake Resistant Design of Structures”, PHI Learning, 2009.
REFERENCE BOOKS
- Anil K Chopra, “Dynamics of Structures: Theory and Applications to Earthquake Engineering”, Pearson Education, 2008.
- Duggal.S. K., “Earthquake Resistant Design of Structures”, Oxford University Press, 2013.
- IS:1893 - (Part I), Criteria for Earthquake Resistant structures - General Provisions and Buildings
- IS:13935 – Repair and Seismic strengthening of buildings
- IS:4326 - Earthquake Resistant Design and Constructions of buildings
- IS:13920 – Ductile detailing of RC Structures subject to Seismic forces
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