GITAM University Soil Dynamics and Machine Foundation Syllabus
Resonance and its effect – free and forced Vibrations with and without damping – Constant force
and rotating mass type excitation – Magnification factor – Phase difference between forces and
displacement for steady state vibrations – Logarithmic decrement.
Natural frequency of foundation soil system – Barkan’s and I.S. methods of determining natural
frequency. Tachehotarioff’s reduced natural frequency.
Elastic properties of soil for dynamical purpose and related properties
Types of machine foundations – General requirements, Permissible amplitudes and bearing
pressures. Analysis and Design requirements of foundations for rotary, reciprocating and impact
type of machine – as per I.S. codes.
Vibration isolation – types and methods of isolation – Active isolation and passive isolation.
Dynamic properties of isolation materials. Case Studies pertaining to vibration problems of
1. Srinivasulu and Vaidyanathan, Hand-book of machine foundations, M/s. Tata McGraw
2. Relevant I.S. Codes.
3. B.C.Punmia, Soil Mechanics and Foundation Engineering, Standard Book House, 9th edition,
4. Shamsher Prakash, Gopala Ranjan and Swamisaran, Analysis and Design of Foundations and
Retaining Structure, M/s Saritha Prakashan, Meerut.
5. Richart Hall and Woods, Vibrations of soils and Foundations, Prentice Hall Inc.,New Jersey