Research Article
Jan 1971
Rock Mechanics Studies for Mossyrock Arch Dam
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VIEW THE REPLYAuthors: David E. Kleiner, AM.ASCE, and Richard C. AckerAuthor Affiliations
Abstract
Foundation exploration for design included core drilling, borehole geophysical logging, and in-place bearing and shear tests. Laboratory tests included petrographic, unconfined compression, triaxial shear, and creep tests on rock cores. Borehole geophysical data proved to be valuable for stratigraphic correlation and for evaluating foundation rock elasticity characteristics. Comparisons of the values of the elastic modulus from geophysical in-situ and laboratory tests are useful but must be used in geologic context with judgment for foundation design. Differences between the predicted values of the modulus of elasticity and actual values as measured by foundation deformation meters are discussed and explained. The foundation rock response to excavation and construction of the dam and reservoir was monitored by acoustical borehole logging. Variations of the acoustic amplitude recorded qualitative evidence of opening and closing of foundation rock fractures during construction.
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Information
Published In
Journal of the Power Division
Volume 97 • Issue 1 • January 1971
Pages: 11 - 24
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Jan 1971
Published online: Feb 11, 2021
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Authors
Affiliations
David E. Kleiner, AM.ASCE
Head, Soil Mechanics and Foundations Dept., Harza Eng. Co., Chicago, Ill.
Richard C. Acker
Head, Geology Dept., Harza Eng. Co., Chicago, Ill.
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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.
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.