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ASME VIII Div2 2007-error on formulas reinf. for opennings

ASME VIII Div2 2007-error on formulas reinf. for opennings

ASME VIII Div2 2007-error on formulas reinf. for opennings

(OP)
Hey,

Did someone already used the § 4.5 of ASME VIII Div2 ed 2007, calculations for openning reinforcement.

Formulas (4.5.4) of § 4.5.5.1 a) 2) for calculation of LR1 is wrong: LR1 = min [ sqrt(Reff t) + w ] shall we correct as

LR1 = sqrt(Reff t) + w
or
LR1 = min [ sqrt(Reff t); w ]

Thanks in advance

RE: ASME VIII Div2 2007-error on formulas reinf. for opennings

jbesson,

Interesting observation.  The appropriate way to address an "error" like that is to send an e-mail to the secretary of the Codes and Standards committee.  The contact info is on this web page http://cstools.asme.org/csconnect/CommitteePages.cfm?Committee=N20110000

Please let us know the resolution to your issue.

Note that any other responses that you might receive on eng-tips would be only anonymous opinions and worth, well, what you pay for them.  There is only one adequate resolution, and that is the one that I stated above.

RE: ASME VIII Div2 2007-error on formulas reinf. for opennings

(OP)
TGS4,

After some test is seems that correct formulas is:
LR1 = mini { √ (Reff t) ; W }

I will send query to the secretary of the Codes and Standards committee anyway and I will update the thread.

RE: ASME VIII Div2 2007-error on formulas reinf. for opennings

I think it is wrong.
When I do the calculation, just use sqrt(Reff*t)+W

Didn't talk to AI yet.

RE: ASME VIII Div2 2007-error on formulas reinf. for opennings

I contacted to ASME secretary,
the correct equation is
L_R1= [sqrt(R_eff*t)]+W
 

RE: ASME VIII Div2 2007-error on formulas reinf. for opennings

(OP)
David403,

You're more lucky than me with ASME secretary, I've no reply, thanks.

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