Agnew, Gary David2016-12-192016-12-192016http://hdl.handle.net/10539/21569A 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, 1990A 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]enThesis