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Load to A.B.
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Source：Internet Author：Unknow Pubdate：2008-10-29
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sandman21 (Structural)
28 Oct 08 22:45
I am using this detail as a hold-down at the end of a shear wall. I got a comment on how I determined the load in the bolts; I tried a few different methods and got fairly close results. I was just curious on how you guys would determine the load in the bolts. - http://files.engineering.com/getfile.aspx?folder=496d48b9-4c26-493a-9c70-28
msquared48 (Structural)
29 Oct 08 1:51
I'm not really sure what I am looking at, plus the material and orientation... Where is the shear wall with respect to this? Mike McCann
MMC Engineering
sandman21 (Structural)
29 Oct 08 9:41
Sorry I thought I wrote more, it has been a long month.
At the end of a shear wall, I am using the HSS as a hold-down. This condition occurs at the end of a footing inside the wall on top of a curb. Therefore, I am unable to space out the A.B. to get an even distribution, so I was wondering what method would you guys use to determine the load to each of the bolts. 字串1
- http://files.engineering.com/getfile.aspx?folder=17805db5-ed55-492f-8477-91
StructuralEIT (Structural)
29 Oct 08 10:01
I am assuming this is a plan detail, is that true? How are the anchor rods attached to the HSS - are you using a thick plate?
StructuralEIT (Structural)
29 Oct 08 10:01
I would probably use an equal number of anchors on both sides of the HSS.
nutte (Structural)
29 Oct 08 10:26
Check prying action to get the tension in the closest anchor bolt. I wouldn't count on the other three to resist any tension. The right-hand sketch in Fig. 9-4, page 9-10 of the 3rd edition steel manual, shows a configuration with a one-sided bolted connection resisting tension. 字串8
If the plate was thick enough, there wouldn't be any prying effects, and the tension in the closest anchor could be taken as the tension in the column.
sandman21 (Structural)
29 Oct 08 11:32
I wanted to use an even number of bolts that was not possible at the time; we have since changed the detail. Yes the first one is a plan view the second is an elevation; a plate is used to transfer the load. Thanks I figured the AISC prying would be the one that would come up. Anyone else have a method they use?
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