In Table 4.10(A), for "Two member", the effective timber thickness b_eff is given as 2 x t_1 for use to determine the characteristic capacity. I could not figure out the reason for this value being 2 x t_1 instead of t_1. Does anyone know the reason for the use of "2 x t_1"?
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AS 1720.1-2010 Table 4.10(A)
- Thread starter kww2008
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In NZ code one of the equations for then using b_eff has a 0.5 factor, this scales it back to just the thickness as you infer as being the logical answer. I would assume Australian code has a similar equation for working out the bolt capacity?
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I had a look at the Australian code, and it doesn't give the equations that I could see for Qkl and Qkp. Only tables are given, it's these equations in the NZ code that have the 0.5 factor. If there are equation let me know and I will compare.
I suspect overall the effect is due to some double curvature in the bolts bearing on the timber where the thickness of the second timber can govern or at least influence the behaviour.
I suspect overall the effect is due to some double curvature in the bolts bearing on the timber where the thickness of the second timber can govern or at least influence the behaviour.
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