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FLAC simulation of split-pipe tests on an instrumented cable bolt.

Authors
Martin-LA; Ruest-M
Source
104th Annual General Meeting of the Canadian Institute of Mining, Metallurgy and Petroleum, May 2002, Vancouver, British Columbia, Canada. Montreal, Quebec, Canada: Canadian Institute of Mining, Metallurgy and Petroleum, 2002 May; :1-9
Link
NIOSHTIC No.
20035937
Abstract
A new instrumented cable bolt has been developed by the National Institute for Occupational Safety and Health at the Spokane Research Laboratory in Spokane, WA. Although various instruments are available to measure load distribution and magnitude along a grouted cable, this instrument is innovative in that it uses strain gauges internal to the cable as load-measuring sensors. The instrument has been successfully tested in the field at FMC's Granger Mine, Meikle Mine, and Getchell Mine. A "split-pipe" laboratory pull test was performed on each of three cable bolts instrumented with the new device. Each test consisted of grouting a 1.83-m-long cable in two 0.91-m-long sections of schedule 80 pipe. A numerical analysis was then performed in which laboratory boundary conditions were simulated and model properties derived from textbook guidelines. The loads calculated by the model were then compared to the measured loads.
Keywords
Simulation-methods; Cables; Mining-industry; Mining-equipment; Underground-mining; Laboratory-testing; Models
Contact
Marc Ruest, Itasca Consulting Group, Inc., 708 South Third Street, Suite 310, Minneapolis, MN 55415, USA
Publication Date
20020501
Document Type
Abstract; Conference/Symposia Proceedings
Fiscal Year
2002
NTIS Accession No.
NTIS Price
NIOSH Division
SRL
Source Name
104th Annual General Meeting of the Canadian Institute of Mining, Metallurgy and Petroleum, May 2002, Vancouver, British Columbia, Canada
State
WA; MN
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