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dc.contributorUnited States. Army. Corps of Engineers. Louisville District-
dc.contributor.authorStowe, Richard L.-
dc.descriptionMiscellaneous paper-
dc.descriptionAbstract: An NX-size borehole plate bearing device known as a Goodman jack was used to perform 31 load deformation tests in the foundation rock, Pier No. 3, at Cannelton Lock and Dam. The in situ modulus of deformation was calculated using the load deformation data. These data were examined to evaluate the quality of the foundation rock; the foundation rock consists of Menard formation limestone, Waltersburg shale, Vienna limestone, and Tor Springs sandstone. The test results indicated that the top 35 ft of Waltersburg shale near the upstream side of Pier No. 3 is about twice as competent as the shale near the downstream side. The average moduli of deformation are 18,620 and 38,650 psi for the upstream and downstream sides, respectively. Moduli for the limestones and the sandstone are above 100,000 psi. The load deformation curves exhibit accelerated displacement at load levels above 500 psi. This displacement is due to either shear failure of the shale, sliding along preexisting planes of weakness, or a combination of both.-
dc.publisherConcrete Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesMiscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; C-71-4.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource.-
dc.subjectCannelton Lock and Dam-
dc.subjectPlate bearing tests-
dc.subjectRock foundations-
dc.titleResults of in situ modulus of deformation test, Cannelton Lock and Dam-
Appears in Collections:Miscellaneous Paper

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