Shear stud diameter in composite bridge beam
Shear stud diameter in composite bridge beam
(OP)
Designing a steel beam vehicular bridge with a composite concrete deck. Initial run resulted in a W21x68 as the optimal section. However, shear stud design would require rows of (3) 7/8" diameter studs spaced transversely across the beam flange in some locations. The problem is that the flange is too narrow to accommodate three studs. The options are to (a) use 1" diameter studs, which would only require rows of 2, or (b) use a section with a wider flange (a W18x76 tentatively may work).
I think every bridge I have ever seen uses 7/8" diameter studs. Is there a reason I shouldn't use 1" diameter? AASHTO contains no specific provisions related to stud diameter that I can find (other than spacing & edge distance).
Thanks all in advance.
I think every bridge I have ever seen uses 7/8" diameter studs. Is there a reason I shouldn't use 1" diameter? AASHTO contains no specific provisions related to stud diameter that I can find (other than spacing & edge distance).
Thanks all in advance.






RE: Shear stud diameter in composite bridge beam
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RE: Shear stud diameter in composite bridge beam
RE: Shear stud diameter in composite bridge beam
Thanks again, and any other thoughts anyone has are welcome!