A 'gusseted base plate' for a heavy column transfers loads to the foundation by:
Choose the correct answer
Direct bond to concrete without any plate
Gusset plates reduce base plate span, allowing thinner plate; system transfers column load to footprint by bearing on concrete
Bolts only (no bearing surface)
Welding column directly to pile
Correct Answer
B. Gusset plates reduce base plate span, allowing thinner plate; system transfers column load to footprint by bearing on concrete
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Gusseted base plate: large axial column load requires thick base plate (slab base impractical). Gusset plates welded to column flanges and base plate reduce bending in base plate by shortening span. Design: base plate size from bearing pressure on concrete/grout; gussets designed for bending and shear from bearing pressure. IS 800 Cl. 7.4 covers column bases.
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