FOUNDATIONS FOR VIBRATING MACHINES

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FOUNDATIONS FOR VIBRATING MACHINES

Author: SHAMSHER PRAKASH VIJAY K. PURI Professor Emeritus Professor Civil, Architecture and Environmental Civil and Environmental Engineering Engineering Southern Illinois University University of Missouri Rolla Carbondale, IL, USA Rolla, MO, USA | Size: 0.86 MB | Format: PDF | Quality: Unspecified | Publisher: Journal of Structural Engineering, SERC, Madras. INDIA | Year: April-May 2006, | pages: 39

The paper discusses the methods of analysis for determining the response of foundations subjected to vibratory loads. The design of a machine foundation is generally made by idealizing the foundation- soil system as spring-mass –dashpot model having one or two degrees of freedom. Most machine foundations are treated as surface footing and the soil spring and damping values are determined using the elastic-half space analog. The spring and damping values for response of embedded foundations can also be determined from the elastic half space concept as per Novak‟s work. The soil spring and damping values can also be obtained following the impedance –compliance function approach. The paper also presents a brief discussion of the predicted and observed response of machine foundations .

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