Force on anchor bolt connection
Force on anchor bolt connection
(OP)
Hypothetical scenario-A column is being erected with a grouted anchor bolt connection. During erection the column is free standing and accidentally hit by a large moving truss at the highest point of the column.
I am trying to determine if the grouted anchor bolt connection will suffice. How do you calculate the force that is applied to the anchor bolt connection when the column is hit in such a fashion?
I am trying to determine if the grouted anchor bolt connection will suffice. How do you calculate the force that is applied to the anchor bolt connection when the column is hit in such a fashion?
RE: Force on anchor bolt connection
Imagineer
RE: Force on anchor bolt connection
As far as physically calculating the impact force the best I could come up with is the Asutralian Standard AS 1170.1 "Dead and Live Loads" which gives and energy type equation for the impact loads of vehicles onto barriers. Perhaps a bit of judgement could be used in applying this equation for your particular application.
From Clause 4.5
F=mV^2/(2d)
where
F = impact force in Newtons
m = gross mass in kilograms
V = velocity at impact in metres per second
d = deceleration length in metres
d is normally taken as the sum of the deflections of both the vehicle and the barrier. For example a car impacting a rigid barrier during parking operations has a d = 0.1 metres and a V=2m/s min.
Perhaps the above equations can be used for your aprticular application.
Regards
Tim
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RE: Force on anchor bolt connection
The only unknown would be the force. Once the force is calculated, the anchor bolt can then be evaluated. I hope this helps you.