Abstract
The influence of the foundation conditions on the design and construction of the Well Project are described. Extensive field investigations indicated extremely pervious overburden materials on the west terrace which strongly influenced the development of the Hydrocombine structure and the dewatering and water control measures. Slurry cutoffs were used for both temporary and permanent work. A high sheet pile cofferdam closed the end of the Hydrocombine excavation. Because of the height, it was necessary to load and unload the cofferdam cells as the river rose and fell. The east embankment, originally designed for a slurry cutoff through pervious foundation, was modified during construction because of erosion of the river bottom; a major portion of the embankment was placed by under water methods.
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Published In
Journal of the Power Division
Volume 97 • Issue 2 • March 1971
Pages: 317 - 333
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Mar 1971
Published online: Feb 11, 2021
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Harris H. Burke, F.ASCE
Manager of Soils Engrg., Hydro and Transportation Div., Bechtel Incorp., San Francisco, Calif.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.
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.