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RE: No Subject [[existing bonded pretensioned residential slab]

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I assume a post-tensioned structure would be recognizable from the presence of huge anchor blocks on site, but how would a pre-tensioned structure be recognized on site?


Further how safe is it to go cutting the tendons?






Steven CONRAD Harrison

B.Tech (mfg & mech), MIIE, gradTIEAust


Roy Harrison & Associates

Consulting Engineers (Structural)

PO Box 104

Para Hills

SA 5096

South Australia

tel: 8395 2177

fax: 8395 8477


From: Rhkratzse(--nospam--at) [mailto:Rhkratzse(--nospam--at)]
Sent: Friday, 12 January 2007 10:56
To: AChance(--nospam--at); seaint(--nospam--at)
Subject: Re: No Subject [[existing bonded pretensioned residential slab]


In a message dated 1/11/07 3:22:27 PM, AChance(--nospam--at) writes:

I have a job where the slab on grade for a residential building is bonded pretensioned.

Is this even possible?  How could tendons be pretensioned onsite, rather than in a precast plant casting bed?