Moment Capacity of Steel Column in Footing
Moment Capacity of Steel Column in Footing
(OP)
Is there a code reference for determining the moment capacity of a steel column embedded in a concrete footing? AISC, ACI?
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Moment Capacity of Steel Column in Footing
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RE: Moment Capacity of Steel Column in Footing
1. The capacity of the steel column on a P + M basis;
2. The soil capacity based on P + M for a spread footing condition;
3. The concrete and resteel capacity for a grade beam condition;
4. The capacity of the anchor bolts and/or bearing plate.
You have to look at your condition and find where the weak link is.
Mike McCann
MMC Engineering
RE: Moment Capacity of Steel Column in Footing
RE: Moment Capacity of Steel Column in Footing
RE: Moment Capacity of Steel Column in Footing
RE: Moment Capacity of Steel Column in Footing
Hopefully it will help.
RE: Moment Capacity of Steel Column in Footing
I found an article on prestressed columns embedments in footings that give at least the forces (if one is prepared to accept quite akin behaviour) in
ACI Structural Journal Vol. 3. Nº 3 May June 1996
Title 93-S24
Stress Transfer Mechanism of Socket Base Connections with Precast Concrete Columns.
Most should be fine for steel columns. For column load in shear transfer a bond stress will need be assumed and may use complementarily some studs to take shear friction. Have made some of these but with irrelevant loads.
Also, shear collars as in elevated slabs may be of use. These I also have practice with 30 cms thick slabs an maybe even over 9 meter span (the bigger of) two way floors with sound behaviour.
RE: Moment Capacity of Steel Column in Footing