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SHIELDING FACTORS (Ksh) FOR MULTIPLE FRAMES

SHIELDING FACTORS (Ksh) FOR MULTIPLE FRAMES

(OP)
AS/NZS 1170.2:2011, TABLE E2, SHIELDING FACTORS (Ksh) FOR MULTIPLE FRAMES
For wind at 45 degrees, frame spacing ratio 4.0, the values of Ksh look to be incorrect. Certainly they cant be obtained by interpolation from adjoining values.

Can you confirm this and what are the correct values?

RE: SHIELDING FACTORS (Ksh) FOR MULTIPLE FRAMES

sdz,
I would agree, the values appear to be incorrect.

I would email john Holmes and see if he can help

http://www.nceng.com.au/
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning."

RE: SHIELDING FACTORS (Ksh) FOR MULTIPLE FRAMES

(OP)
Well spotted...!

Yes it looks like that row in Table E2 was transposed incorrectly in the 2002 edition from the equivalent column in the 1989 edition.  Nobody had spotted that before.

The correct row  should be : '1.0  1.0  1.0  1.0  1.0  1.0  0.9  0.8'

Fortunately we have a correction amendment coming out shortly in which that can be  corrected.  

regards

John Holmes

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