One Piece vs. Two Piece Stirrups
One Piece vs. Two Piece Stirrups
(OP)
Structurally, is there any significant difference between one piece and two piece stirrups in a concrete beam?
I read recently that two piece stirrups are preferred because they are better for constructibility, which makes senses to me. What do you guys normally specify?
I read recently that two piece stirrups are preferred because they are better for constructibility, which makes senses to me. What do you guys normally specify?






RE: One Piece vs. Two Piece Stirrups
For me it depends on what sort of work is being performed and the work space provided. When doing new work I just go with single or double stirrups in one shape 13. When doing retrofit work it's often better to use the two piece shape 10 with overlapping legs.
I'm sure there are pros and cons to both when using new construction. For example, I can see a case made for fewer pieces on the jobsite and if the beam cages are assembled and dropped into the forms this is probably best. Otherwise there is case to be made for better fit with the two pieces and some may say better quality. But that also means someone has to make sure the legs are tied together and not a gap between them etc.
Just my $0.02.
Regards,
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RE: One Piece vs. Two Piece Stirrups
There are two-piece stirrups that are composed of double "U" shapes such that they make four legs. Is that what you mean?
Or are you talking about a typical "U" shaped stirrup with a separate top "cap" over top bars that forms a complete rectangular stirrup leg all around?
RE: One Piece vs. Two Piece Stirrups
This.
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
Another note is that it actually recommends it in the crsi manual
RE: One Piece vs. Two Piece Stirrups
This is in ACI 318?
RE: One Piece vs. Two Piece Stirrups
In these cases if the cover concrete spalls then 90 degree hooks or laps can become innefective.
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups
RE: One Piece vs. Two Piece Stirrups