Research Article
Mar 1968
Contribution to the Analysis of Restraint in Soil
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VIEW THE REPLYPublication: Journal of the Soil Mechanics and Foundations Division
Volume 94, Issue 2
Abstract
The restraint of power-line pylons, highway posts, and similar cantilever structures fixed in prismatic block foundations presents an interesting problem of combined action of horizontal and vertical couples in soil. An improved method is proposed for the conventional analysis used for detailed description and calculation of contact pressures, forces and moments acting on the vertical faces of a prismatic foundation. The method is based on Winkler's stress-strain relationship in soil expressed by a subgrade modulus which varies exponentially with depth, due to the formula Kz = Kt (z/t)n. Results of three full scale tests on power-line pylons confirm the theoretical findings regarding the location of pivot at the sole depth and the magnitude of tilt of such foundations in clay.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 94 • Issue 2 • March 1968
Pages: 391 - 405
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Mar 1968
Published online: Feb 12, 2021
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Authors
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Zvi Getzler, M.ASCE
Asso. Prof., Faculty of Civ. Engrg., Technion, Israel Inst. of Techn., Haifa, Israel
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