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Old 8th December 2014, 12:00 PM   #1
Martin Clifton
Senior Member
 
Join Date: Feb 2010
Posts: 26
Default Glulam grade GL28c etc

Hi Tony,

i have just downloaded the new release of Superbeam and have found the following issues for GL28c, h, 28c, h....etc glulam beams:-

1. the grade stress appears to be C16 at 5.3N/mm^2 for all grades

2. the K15 modification factor stays at 1.39 irrespective of the number of laminations and hence depth.

This accounts for the very low permissible stress.

Can you please comment.

Many thanks Martin
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