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RE: ASTM A 615 for frames and wall boundaries - actual yield & Fu/Fy

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UBC says the "proof" is the yield strength and ultimate strength
levels provided on the rebar mill certs.

Brent Koch
Koch Engineering, Inc.
Livermore, CA

-----Original Message-----
From: Haan, Scott M. [mailto:HaanSM(--nospam--at)]
Sent: Saturday, December 15, 2001 10:42 AM
To: Seaint list (E-mail)
Subject: ASTM A 615 for frames and wall boundaries - actual yield &

ACI 21.2.5 indicates frame members and wall boundary elements can only use A
615 reinforcement if the actual yield stress does not exceed the specified
by more than 18000 psi and the actual ultimate does not exceed the actual
yield by a ratio of 1.25.

Is A 615 steel meeting these requirements uncommon and have to be special
ordered?  Should a plan reviewer ask for them to prove it or use A706?

Scott M Haan P.E.
Plan Review Engineer
Building Safety Division
Development Services Department
Municipality of Anchorage

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