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Earthquake Engineering (2170612)

Teaching Scheme (in Hours)

Theory Tutorial Practical Total
3 1 0 4

Subject Credit :  4

Examination Scheme (in marks)

Theory
ESE (E)
Theory
PA (M)
Practical
ESE Viva (V)
Practical
PA (I)
Total
70 30 30 20 150

Syllabus Content    Download

Unit-1:  Module - 1 Earthquake Basics

Interior of Earth, plate tectonics, faults, consequences of earthquake, Basic parameters of earthquake, magnitude & intensity, scales, Seismic zones of India, damages caused during past earthquakes (worldwide).

Unit-2:  Module - 2 Fundamentals of Earthquake Vibrations of buildings

Static load v/s Dynamic load (force control and displacement control), simplified single degree of freedom system, mathematical modelling of buildings, natural frequency, resonance v/s increased response, responses of buildings to different types of vibrations like free and forced, damped and un-damped vibration, response of building to earthquake ground motion, Response to multi degree (maximum three) of freedom systems up to mode shapes

Unit-3:  Module - 3 Design Philosophy

Philosophy of earthquake resistant design, earthquake proof v/s earthquake resistant design, four virtues of earthquake resistant structures (strength, stiffness, ductility and configuration), seismic structural configuration, Introduction to IS: 1893 (Part I), IS: 875 (Part V). Seismic load: Seismic Coefficient Method – base shear and lateral force distribution along height. Introduction to Response spectrum, IS code provisions.

Unit-4:  Module - 4 Lateral Loads on Buildings:

Lateral Load Distribution:

Rigid diaphragm effect, centers of mass and stiffness, torsionally coupled and uncoupled system.

Lateral Load Analysis:

Analysis of frames using approximate methods like portal & cantilever methods

Unit-5:  Module - 5 Ductile Detailing:

Concepts of Detailing of various structural components as per IS: 13920 provisions.

Features of Earthquake Resistant Masonry Structure :

Un-reinforced Masonry, Basics of masonry: units of masonry, good construction practice, Earthquake resistant features: bands and vertical reinforcement (IS 4326, IS13827, IS 13828)

Special topics:

Introduction to soil liquefaction, structural controls & Seismic strengthening.

Reference Books

Sr. Title Author Publication Amazon Link
1 Earthquake resistant design of structures Manish Shrikhande & Pankaj Agrawal PHI Publication, New Delhi
2 Earthquake resistance design of structures S.K.Duggal Oxford University Press, New Delhi.
3 Dynamics of structures A.K.Chopra Pearson, New Delhi
4 Dynamics of structures Clough & Penzin
5 Behaviour of RC structure Park & Pauly John-Wiley and Sons

Course Outcome

After learning the course the students should be able to:
1. Determine the response of SDOF & MDOF structural system subjected to vibration including earthquake.
2. Apply the concept of Earthquake Resistant Design & concept of lateral load distribution on buildings.
3. Determine the lateral forces generated in the structure due to earthquake.
4. Apply the concept of ductile detailing in RC structures.

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