Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/11388
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dc.contributorUnited States. Air Force. Space and Missile Systems Organization.-
dc.contributor.authorStowe, Richard L.-
dc.date.accessioned2016-06-20T14:19:38Z-
dc.date.available2016-06-20T14:19:38Z-
dc.date.issued1971-01-
dc.identifier.urihttp://hdl.handle.net/11681/11388-
dc.descriptionMiscellaneous paper-
dc.descriptionAbstract: Four NX-diameter holes were diamond-drilled in competent granite. Samples of the recovered core were used in laboratory tests. A borehole, plate-bearing derive known as a Goodman jack was used to perform load-deformation tests on the rock in the core hole. The samples used in the laboratory tests were taken from depths in the hole at or within 5 ft of those at which the jacking tests were made. Borehole camera records, compressional and shear wave velocities, and densities were measured. Dynamic elastic constants were computed for the in-situ material, while comparative data (except camera records) were obtained in the laboratory. These data were examined to evaluate the significance of the in-situ modulus of deformation (Ed) the value computed from Goodman-jack tests. Average test results show an excellent correlation between in-situ and laboratory data. The ratio of laboratory to field deformation modulus ranges from 9.82 to 7.21 for 3000- and 9000-psi stress levels, respectively.-
dc.publisherConcrete Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relationhttp://acwc.sdp.sirsi.net/client/en_US/search/asset/1044428-
dc.relation.ispartofseriesMiscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; C-71-1.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource.-
dc.subjectField tests-
dc.subjectGranite-
dc.subjectLaboratory tests-
dc.subjectRock properties-
dc.titleComparison of in-situ and laboratory test results on granite-
dc.typeDOCUMENT-
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