An investigation of acoustic methods for measuring the length and grout quality of rock anchors in mines
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Authors
Agnew, Gary David
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Abstract
A demand exists in the mining industry for an instrument capable of testing rock anchors
quickly, reliably and non-destructively. This report describes laboratory tests in which the
acoustic pulse interrogative techniques investigated for rock anchors up to 1,9m in length,
using concrete cylinders to simulate rock. [Abbreviation abstraction. Open document to view full version]
Description
A project report submitted to the Faculty of Engineering, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Engineering
Johannesburg, 1990