Research Article
Jan 1956
Pile-Loading Tests, Morganza Floodway Control Structure
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VIEW THE REPLYPublication: Transactions of the American Society of Civil Engineers
Volume 121, Issue 1
Abstract
A comprehensive pile-testing program was performed at the site of the Morganza Floodway control structure to determine the size of pile required to support the design loads-both compression and tension-without any significant movement. As an 80-ft layer of very compressible clay overlies sand at the site of the structure, an attempt was made to determine the bearing capacity of only that part of the piles penetrating the sand. This capacity was determined by testing various sizes of compression piles in pairs. One pile of each pair was stopped above the top of the sand and was loaded to obtain the resistance developed by skin friction in the clay. A test on a second pile driven into the sand indicated the total supporting capacity of both the clay and sand. The difference in the capacities of these two piles was then assumed to be the tip capacity of the pile driven into sand. Tension tests were also made on a third pile of the same size which was driven into the sand. The sizes of the piles tested ranged from a tapered pile with an 8-in. tip to a 30-in. pipe pile. Details of the loading arrangement and test procedures are described.
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© 1956 American Society of Civil Engineers.
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Published in print: Jan 1956
Published online: Feb 10, 2021
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Charles I. Mansur, M.ASCE
Asst. Chief, Embankment and Foundation Branch, Soils Div., Waterways Experiment Station, Corps of Engrs., U.S. Dept. of the Army, Vicksburg, Miss.
John A. Focht Jr., AM.ASCE
Associate Engr., Greer and McClelland, Houston, Tex.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.