Post installed anchors 1

[BH6]

Has anyone ever had to get creative with post installed anchors to take shear and tension loads? I have a braced frame that is going to be installed on top of a 12" X 6' high concrete wall. I have a max. shear along the wall of 7.6 K and a max tension load of 8.24 K. Just curious if anyone has found something that works well.

 

[KootK]

Has anyone ever had to get creative with post installed anchors to take shear and tension loads?

Everyone has. What's the detail like? CIP slab between wall an column base plate?

I have a braced frame that is going to be installed on top of a 12" X 6' high concrete wall.

How close to the end of the wall?

I have a max. shear along the wall of 7.6 K and a max tension load of 8.24 K. Just curious if anyone has found something that works well.

Those loads actually sound pretty modest such that I'd expect that conventional, appendix D anchorage checks might be viable.

1) For the tension component, you don't have many options other than to drop your anchor rods down low enough that you're effectively lapping them with the vertical wall rebar. AISC Design Guide 01 methods work well for this.

2) For the shear component, especially if close to the wall end, it can work well to cast in an embed plate behind the column and weld your brace gusset to that to improve edge distance issues.

 

[r13]

Show your own idea to get feedbacks. Also, direction of the forces relating to the wall?

 

[bones206]

If you need to get creative, maybe look at a saddle-shaped base plate with anchors into the side of the wall.

 

[Socks1]

Depending on how close you are to capacity the hilti program has adjustment for supplemental reinforcement. I just looked at their reference and they reference ACI 318-08 part D. What I recall it's about the addition of "hairpin" reinforcement in the horizontal plane. If you're getting blown out this won't help you much.