JNTU 2007-08 IV Year II Sem B.Tech. CE - Elective V - Soil Dynamics and Machine Foundations

Posted Date: 26 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: Syllabus

Posted By: India Member Level: Diamond
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
IV YEAR B.TECH. C.E. II-SEM T P C
4+1* 0 4
SOIL DYNAMICS AND MACHINE FOUNDATIONS
(ELECTIVE –V)

UNIT – 1
Theory of vibrations: Basic definitions- free and forced vibrations with and without damping for single degree freedom system- Resonance and its effect – magnification – Logarithmic decrement – Transmissibility

UNIT – II
Natural frequency of foundation – Soil system: Barkan’s and IS methods – pressure bulb concept – Pauw’s Analogy.

UNIT – III
Wave propagation: Elastic waves in Rods – Waves in elastic Half space.

UNIT – IV
Dynamic Soil Properties: Field and Laboratory methods of determination – Uphole, Down hole and cross hole methods – Cyclic plate load test – Block vibration test – Determination of Damping factor.

UNIT – V
Machine Foundations: Types, Design criteria, permissible amplitudes and bearing pressure.

UNIT – VI
Block foundation: Degrees of freedom - analysis under different modes of vibration

UNIT – VII
Analysis of Two Degree freedom systems under free and forced vibrations -Principles of Design of Foundations for reciprocating and impact machines as per IS code.

Unit – VIII
Vibration Isolation: Types and methods – Isolating materials and their properties

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Author: India 26 Dec 2007

Member Level: Diamond Points : 4

TEXT BOOKS:

1) Handbook of Machine Foundations by P.Srinivasulu and G.V.Vaidyanathan, Tata McGraw Hill
2) Soil Dynamics by Shamsher Prakash

REFERENCES:

1) Dynamics of Bases and Foundations by Barken, McGraw Hill Publishing Co.,New York
2) Vibration of Soils and Foundations by Richart, Hall and Woods, Prentice Hall, eaglewood Cliffs, New Jersy, USA.

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