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Concrete In Australia : September 2008
Non-destructive testing publication Current Practice Note 22 – Non-destructive testing of concrete has recently been released. This publication is the result of a review and update of the Concrete Institute of Australia, Current Practice Note 22 – 1987, Insitu testing of concrete – a review, by Samia Guirguis. Much of the work and text presented in the previous publication has been adopted here directly as most of the test methods and principles of the tests remain the same. In several cases testing equipment has been developed and improved in some manner and the text and images have been updated accordingly. Several new tests have been included, such as ground penetrating radar, as have several other tests that are now commonly used to provide concrete durability performance information in Australia today (sorptivity and chloride penetrability). It is not the intention of this publication to provide full details and interpretation instructions for all available non-destructive concrete test methods, but rather to present the tests that are commonly used within the Australian construction industry that have been found to be relatively easy to perform and provide quick, meaningful and accurate information. This publication generally provides: the scope of the test, a brief description of the methods and procedures used and the major advantages, disadvantages, difficulties, reliability, variability and precision associated with the test method. Current Practice Note 22 – Non-destructive testing of concrete is available for purchase or download through the Institute’s web site at www.concreteinstitute.com.au. To download a complimentary copy, log in to the Members’ Area of the web site using the Username and Password printed on the reverse side of your 2008 membership card, then click on the Publications Updates section of the Quick Links on the Members’ Area page. The publication is also available through Standards Australia’s sales agent SAI Global. ITW Construction Systems Australia Pty. Ltd. ABN 48 004 297 009 Trading as Reid. ™Trademarks of ITW Construction Systems Australia Pty. Ltd. ©Copyright 2008 REI16586 MDG07/08 Imported starter bars… do you really know what you’re getting? Manufactured in Australia by OneSteel, ReidBar™ Starter Bars are fully tested and certified as GUARANTEED 500MPa. TM CONTINUOUS THREADED REINFORCING From the traceability of the raw materials (mill certificates) to the quality manufacturing, testing and unique design, the continuous threaded ReidBarStarter Bars are the only bars on the market you can specify with confidence. Where there’s absolutely no room for failure, there’s only one name you need to know… ReidBar Starter Bars… Continuous threaded reinforcing that’s guaranteed 500MPa… you can’t afford anything less. After you have designed the building and construction has begun do you really know whether the 500MPa starter bars you specified are just that…500MPa? Customer Service Centre 1300 780 250 www.reids.com.au REINFORCING • PRECAST • TIL T -UP Concrete in Australia Vol 34 No 3 9