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Table 3.1 "Limiting width to thicknessratio" in dr

 
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JMSSNL at ltecd.ltindi...
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PostPosted: Mon Oct 27, 2003 5:40 am    Post subject: Table 3.1 "Limiting width to thicknessratio" in dr Reply with quote

Dear Mr.Srinivasan,

1) "Outstanding element of compression flange" means compression flange
of 'I' or "C" section which is outstanding from web. For "I"  section
this valus is nearly half flange width.{( Bf-Tw)/2}.
For box type closed section (rectangular or Square) compression flange
is inside two webs. For this case portion of flange inside webs is
defined as "Internal element of compression flange". If same section has
part of flange projecting beyond webs, that part shall be treated as
"Outstanding element of compression flange".

2) I agree with your view that, r1 or r2 can not be independently
negative.

Thanks,

Jignesh
L&T-S&L



Quote:
Quote:
Quote:
er_spsvasan@yahoo.co.in 10/26/03 08:07PM >>>
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SEFI e-Conference on draft revision of  IS:800, October 06 to November
07, 2003
*************************************************


Hello everybody,

I am unable to understand Table 3.1 "Limiting width to thickness ratio"
fully.

(1) The first item under the heading "Compression element" contains two
expressions "Outstanding element of compression flange" and "Internal
element of compression flange". There seems to be some error here.

(2) As pointed out by Amit, the values of r1 and r2 have to be either
both positive or both -ve. There cannot be two different cases of r1
alone being -ve and r2 alone being -ve. Something is wrong here.

Regards

S.P.Srinivasan


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