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GE Inspection Technologies
Inspection Technologies, a business of the Baker Hughes, a GE company (BHGE IT), is one of the world's leading suppliers of nondestructive testin ...
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Technical Discussions
John McCanna
John McCanna
06:56 Mar-28-2000
NDT Inspection of Prestressing Tendon Systems in Pressurized Concrete Containments

I am looking for an inspection process to determine cracking, corrosion, etc., of grouted prestressed tendons. The tendons consist of 19 x 0.62 inch diameter strands with access to the ends only.

Thank you


 
 Reply 
 
Gary Woodside
Gary Woodside
00:33 Mar-29-2000
Re: NDT Inspection of Prestressing Tendon Systems in Pressurized Concrete Containments
In the UK a 7.5m long 6mm dia videoscope is used for looking at the tendons of prestressed bridge supports in preperation for increasing the weight limit.

Tendons were failing through corrosion as incorrect grouting procedures were leaving the tendons exposed.

Regards

Gary

I am looking for an inspection process to determine cracking, corrosion, etc., of grouted prestressed tendons. The tendons consist of 19 x 0.62 inch diameter strands with access to the ends only.

: Thank you




 
 Reply 
 
David Hermanutz
Consultant,
Hbndt.com, China, Joined Jul 2012, 85

David Hermanutz

Consultant,
Hbndt.com,
China,
Joined Jul 2012
85
03:59 Apr-26-2000
Re: NDT Inspection of Prestressing Tendon Systems in Pressurized Concrete Containments
Everest VIT has a video probe that would suit this application.

: In the UK a 7.5m long 6mm dia videoscope is used for looking at the tendons of prestressed bridge supports in preperation for increasing the weight limit.

: Tendons were failing through corrosion as incorrect grouting procedures were leaving the tendons exposed.

: Regards

: Gary

: I am looking for an inspection process to determine cracking, corrosion, etc., of grouted prestressed tendons. The tendons consist of 19 x 0.62 inch diameter strands with access to the ends only.

: : Thank you




 
 Reply 
 

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