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Re: Concrete Strength for Stressing[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Concrete Strength for Stressing
- From: ASLCSE(--nospam--at)aol.com
- Date: Sat, 15 Mar 2003 13:45:20 EST
Each approved anchors has also an approved (ICBO, etc.) required minimum concrete strength at the time of stressing. It is usually up to the contractor to determine how fast he wants to stress after placement of the concrete (3, days, 5 days, 5 days, etc.) Once that is established, he can "order" an approved concrete mix from the supplier. BTW. The concrete strength (before stressing) should always be established by cylinder tests. For this reason, more concrete samples need to be taken at the time of placing the conrete.
Antonio S. Luisoni
Granada Hills, CA 91344
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