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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 40
ADVANCES IN OPTIMIZATION FOR STRUCTURAL ENGINEERING
Edited by: B.H.V. Topping
Paper VI.3

Minimum-Weight Design of a Dynamically Loaded Machine Foundation on an Inhomogeneous Soil

Z. Sienkiewicz* and B. Wilczynski#

*Department of Civil Engineering, Technical University at Koszalin, Koszalin, Poland
#Department of Mechanical Engineering, Technical University at Koszalin, Koszalin, Poland

Full Bibliographic Reference for this paper
Z. Sienkiewicz, B. Wilczynski, "Minimum-Weight Design of a Dynamically Loaded Machine Foundation on an Inhomogeneous Soil", in B.H.V. Topping, (Editor), "Advances in Optimization for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 149-155, 1996. doi:10.4203/ccp.40.6.3
Abstract
Minimum-weight design of a machine foundation on an inhomogeneous soil is considered. The soil model under the base of block corresponds to a uniform layer overlying a uniform half-space. Furthermore, the block may be surrounded by a backfill. The optimal designs of a vertically excited rectangular machine foundation are found for a number of layer thicknesses and the ratios of the distortional wave velocity in the layer to that in the underlying half-space. The results obtained in the case of the layered soil are compared with those for a uniform half-space. It provides an insight into the action of the soil-foundation-machine system from the point of view of performance and safety.

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