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AbstractAbstract
[en] Cross-hole ultrasonic measurements were made at the Waste Isolation Pilot Plant (near Carlsbad, New Mexico) to delineate the disturbed zone around drifts and rooms. Using compressional mode waves it was found that there was a small decrease in velocity and a large increase in attenuation immediately after the test room was mined. Disturbances extended at lease 3 metres from a room with a width of 5.5 metres. The results are interpreted as resulting from the introduction of about 0.5% crack-like, pore space. 7 refs., 4 figs
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Source
1988; 9 p; 29. U.S. symposium on rock mechanics; Minneapolis, MN (USA); 13-15 Jun 1988; CONF-880654--7; Available from NTIS, PC A02/MF A01; 1 as DE88004459; Portions of this document are illegible in microfiche products.
Record Type
Report
Literature Type
Conference
Report Number
Country of publication
ACOUSTIC TESTING, CAVITIES, FUNCTIONAL MODELS, GEOLOGIC DEPOSITS, MANAGEMENT, MATERIALS, MATERIALS TESTING, NATIONAL ORGANIZATIONS, NONDESTRUCTIVE TESTING, NUCLEAR FACILITIES, PILOT PLANTS, RADIOACTIVE MATERIALS, RADIOACTIVE WASTE FACILITIES, RADIOACTIVE WASTES, TESTING, US DOE, US ORGANIZATIONS, WASTE DISPOSAL, WASTE MANAGEMENT, WASTES
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