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Airstar Inc. Application of the newest technologies, such as air-coupled ultrasound, digital instrumentation, signal processing, and transducer technology. 815 views Technical Discussions bassouli bassouli 02:17 Aug-14-2009 radiography in concrete Dear Sirs. I need some help in radiography. I'm need proceedure to detect rebar depth in concrete. Can anyone help me somehow in this matter. Thanks in advance    Reply  Translate  Close   ezio Other, Retired ex Laboratory Technical Manager OMECO Research Centre, Italy, Joined Sep 2008, 273 ezio Other, Retired ex Laboratory Technical Manager OMECO Research Centre, Italy, Joined Sep 2008 273 11:18 Aug-14-2009 Re: radiography in concrete In Reply to bassouli at 02:17 Aug-14-2009 (Opening). Radiography is not convenient method to this scope. Better and cheaper are electromagnetic methods. Please contact www.boviar.com    Reply  Translate  Close   John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000, 280 John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000 280 14:21 Aug-14-2009 Re: radiography in concrete In Reply to bassouli at 02:17 Aug-14-2009 (Opening). You will need to shoot at right angles to get depth and resolution will depend upon thickness of section examined, and size of rebar relevent to any aggregate in the mix. For very thick sections you are going to need real penetrating power using Colbalt 60 or a LINAC. There are other methods you might want to investigate such as electromagnetics mentioned in another repsonse or a portable ground penetrating radar device.    Reply  Translate  Close   Badr Assouli Badr Assouli 04:58 Aug-15-2009 Re: radiography in concrete In Reply to John O'Brien at 14:21 Aug-14-2009 . thank you You talk about parallax radiograph procedure (double exposure) ? we already use this procedure. Yes we use Radar technique to detect rebar and it depth but is not sensitive enough to detect the corrosion of reinforcement.    Reply  Translate  Close

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