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Posted: Wed Oct 29, 2003 4:59 pm Post subject: Clause 6.3.3 Single Angles in Draft IS:800
To Er. S.P.Srinivasan,
Clause 6.3.3 seems to be for tearing off of section and not for shear. Since in single angles only one leg is connected either by weld or by bolted joints diagonal tearing off of the connected leg alone might lead to rupture. The cross sectional area of plane of rupture may be less for single bolted joint and will increase will the number of bolts. Hence the variation of alpha from 0.6 to 0.8 is understandable. I think 0.8 should be for 4 bolts and above joints and for welded joints.
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