NDLI: FLAC Based Numerical Studies on Dynamic Interference of Two Nearby Embedded Machine Foundations

Content Provider	Springer Nature Link
Author	Ghosh, Priyanka
Copyright Year	2012
Abstract	This paper emphasizes on the dynamic interaction of two closely spaced embedded square or rectangular foundations under the action of machine vibration. One of the foundations is excited with a known vibration source placed on the top of it, called the active foundation. The objective is to study the effect of dynamic motion of the active foundation on the nearby passive foundation through a layered soil medium. The analysis is performed numerically by using the explicit finite difference code FLAC 3D . The soil profile is assumed to obey the Mohr–Coulomb yield criteria with non-linear failure envelope. The analysis is performed under sinusoidal dynamic loading with varying amplitude. Under the dynamic excitation, the settlement behavior of the interacting foundations is studied by varying the spacing between the foundations. In addition, the variation of vertical normal and shear stress developed beneath the interacting foundations is also explored. The present theoretical investigation indicates that the settlement and vertical normal stress below the active foundation is generally found to be higher than that obtained for the passive foundation, whereas the shear stress response below the foundations follows the reverse trend.
Starting Page	1161
Ending Page	1181
Page Count	21
File Format	PDF
ISSN	09603182
Journal	Geotechnical and Geological Engineering
Volume Number	30
Issue Number	5
e-ISSN	15731529
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-06-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Machine foundation Interference effect Square and rectangular foundation Layered soil Bearing capacity Waste Management/Waste Technology Hydrogeology Geotechnical Engineering & Applied Earth Sciences Terrestrial Pollution Civil Engineering
Content Type	Text
Resource Type	Article
Subject	Soil Science Geology Architecture Geotechnical Engineering and Engineering Geology

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