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- since 1996 -

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Technical Discussions
sakdirat
R & D, -
Austrak Pty Ltd, Australia, Joined Feb 2008, 4

sakdirat

R & D, -
Austrak Pty Ltd,
Australia,
Joined Feb 2008
4
00:55 Feb-15-2008
Structural Concrete Flaws

I am looking for a NDT tool/system for use in field test.

Anyone has any idea for those for detecting flaws in concrete member?

Thanks a lot


    
 
 
ranjeet singh
Engineering, Asst.Manager-Condition Monitoring
TATA chemicals ltd.(fertilizer div.), India, Joined May 2006, 6

ranjeet singh

Engineering, Asst.Manager-Condition Monitoring
TATA chemicals ltd.(fertilizer div.),
India,
Joined May 2006
6
00:41 Feb-15-2008
Re: Structural Concrete Flaws
----------- Start Original Message -----------
: I am looking for a NDT tool/system for use in field test.
: Anyone has any idea for those for detecting flaws in concrete member?
: Thanks a lot
------------ End Original Message ------------

Use thermography camera to know delaminations

Regards,

Ranjeet singh


    
 
 
Joerg Collrep
Director, - Sales NDT
Dantec Dynamics GmbH, Germany, Joined Jan 2006, 4

Joerg Collrep

Director, - Sales NDT
Dantec Dynamics GmbH,
Germany,
Joined Jan 2006
4
01:34 Feb-15-2008
Re: Structural Concrete Flaws
Dantec Dynamics offers Digital Image correlation which could be used to identify loose concrete when tested under load. Pls contact us if you need any further details.
Best regards
Jörg

----------- Start Original Message -----------
: I am looking for a NDT tool/system for use in field test.
: Anyone has any idea for those for detecting flaws in concrete member?
: Thanks a lot
------------ End Original Message ------------




    
 
 
Sakdirat Kaewunruen
R & D, -
Austrak Pty Ltd, Australia, Joined Feb 2008, 4

Sakdirat Kaewunruen

R & D, -
Austrak Pty Ltd,
Australia,
Joined Feb 2008
4
02:35 Feb-17-2008
Re: Structural Concrete Flaws
Thanks Ranjeet.

Do you mean bonding between steel reinforcement and concrete?

Cheers.

----------- Start Original Message -----------
: : I am looking for a NDT tool/system for use in field test.
: : Anyone has any idea for those for detecting flaws in concrete member?
: : Thanks a lot
: Use thermography camera to know delaminations
: Regards,
: Ranjeet singh
------------ End Original Message ------------




    
 
 
Sakdirat Kaewunruen
R & D, -
Austrak Pty Ltd, Australia, Joined Feb 2008, 4

Sakdirat Kaewunruen

R & D, -
Austrak Pty Ltd,
Australia,
Joined Feb 2008
4
02:36 Feb-17-2008
Re: Structural Concrete Flaws
Hi Jorg.

Thanks for your reply. Could you please send me some info??

Sound interesting.

Cheers.

----------- Start Original Message -----------
: Dantec Dynamics offers Digital Image correlation which could be used to identify loose concrete when tested under load. Pls contact us if you need any further details.
: Best regards
: Jörg
: : I am looking for a NDT tool/system for use in field test.
: : Anyone has any idea for those for detecting flaws in concrete member?
: : Thanks a lot
------------ End Original Message ------------




    
 
 
Simon Amallraja
Simon Amallraja
08:09 Feb-17-2008
Re: Structural Concrete Flaws
----------- Start Original Message -----------
: I am looking for a NDT tool/system for use in field test.
: Anyone has any idea for those for detecting flaws in concrete member?
: Thanks a lot
------------ End Original Message ------------

You can try Non Contact Ultrasound for this application. Contact Dr. Mahesh Bhradwaj of Ultran Grpup, USA, who can help you in this. www.ultrangroup.com

Simon Amallraja


    
 
 
chris s
chris s
07:08 Feb-18-2008
Re: Structural Concrete Flaws
----------- Start Original Message -----------
: I am looking for a NDT tool/system for use in field test.
: Anyone has any idea for those for detecting flaws in concrete member?
: Thanks a lot
------------ End Original Message ------------

what information are you wanting from your inspection? this will help determine what type of test is best for your application.


    
 
 
Sakdirat Kaewunruen
R & D, -
Austrak Pty Ltd, Australia, Joined Feb 2008, 4

Sakdirat Kaewunruen

R & D, -
Austrak Pty Ltd,
Australia,
Joined Feb 2008
4
05:37 Feb-23-2008
Re: Structural Concrete Flaws
cracks in reinforced concrete beam...

if possible, loss in prestressing wires.

thanks in advance.

----------- Start Original Message -----------
: : I am looking for a NDT tool/system for use in field test.
: : Anyone has any idea for those for detecting flaws in concrete member?
: : Thanks a lot
: what information are you wanting from your inspection? this will help determine what type of test is best for your application.
------------ End Original Message ------------




    
 
 
Rakesh
Rakesh
05:36 Feb-24-2008
Re: Structural Concrete Flaws
----------- Start Original Message -----------
: cracks in reinforced concrete beam...
: if possible, loss in prestressing wires.
: thanks in advance.
: : : I am looking for a NDT tool/system for use in field test.
: : : Anyone has any idea for those for detecting flaws in concrete member?
: : : Thanks a lot
: : what information are you wanting from your inspection? this will help determine what type of test is best for your application.
------------ End Original Message ------------


I think there are many other reasons too. Firstly its important to know what member is it---is it under vibrations or in an area where settlement can occur and it has not been taken into design, size etc.
While loss in prestress is cumbersome to measure, in my view if its a beam for example, regular deflection in comparison to actual designed should be made, ckeck for the bearings condition, if the member is too thick, then the temperature difference between the two surfaces. Thus as rightly pointed out through an earlier comment, type of member, and purpose will guide in spotting the cracks and then offcourse the ladder and the magnifying glass tell a lot more.



    
 
 

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