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Microseismic and Displacement Investigations in an Unstable Slope.

Authors
Stateham-RM; Vanderpool-JS
Source
NTIS: PB 197 021 :22 pages
Link
NIOSHTIC No.
10000833
Abstract
Microseismic noise rates and slope movements were measured in an unstable area along the north wall of the Tripp-Veteran Pit, Kennecott Copper Corp., Ruth, Nevada. Low-noise, wide-band microseismic geophones were located at various points in the wall, and the change in distance across open fractures, resulting from instability, was determined by repeated measurements between fixed points set on each side of the fractures. The microseismic noise rate increased and decreased with corresponding increases and decreases in the rate at which the fractures opened. The microseismic noise rates and changes in width of the fractures show excellent agreement, and the two types of measurements complement each other in monitoring the progress of pit wall failure.
Publication Date
19710101
Document Type
IH; Report of Investigations
Fiscal Year
1971
NTIS Accession No.
PB-197021
NTIS Price
A03
Identifying No.
RI 7470
NIOSH Division
DRC;
Source Name
NTIS: PB 197 021
State
NV;
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