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RE: SC Bolts

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Jim-

Using the higher allowable will lead to slip at a lower load level. The 1/3
increase in allowable bolt shear is really just a reduction in the wind
load. I agree with Charlie that the use of the 1/3 increase is not directly
related to banging bolts.

As I understand it, the 1/3 increase has to do with the probability of load
occurrence and not material behavior.  Therefore, I would use it for load
combinations with multiple transient loads, but not for the just dead +
wind.

-Heath Mitchell


-----Original Message-----
From: Jim Kestner [mailto:jkestner(--nospam--at)somervilleinc.com] 
Sent: Friday, December 07, 2001 11:27 AM
To: 'SEAINT'
Subject: SC Bolts

Is it advisable to use the 1/3 increase in allowable shear for slip 
critical bolts subjected to wind? Could using the higher allowable shear 
lead to slip at higher load levels and possibly bolt banging?

Jim K.



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