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Symbols of Structural Plans

f’c = Concrete compressive strength

fy = Steel yield strength

σt = Allowable soil bearing capacity

f’m = Masonry compressive strength

f’b = Brick compressive strength

s/c = Design live load (superimposed load)

VS = Grade beam / foundation beam

VA = Tie beam

C1 = Column No. 1

Ø = Bar diameter

□ = Stirrup (reinforcement tie)

@ = Spacing (at every)

Rto. = Remaining portion

c/e = At each end

Astemp. = Temperature reinforcement steel

Mortero P2 = Type P2 mortar

Und. Albañil. = Brick/Masonry unit

Esc. = Drawing scale

Summary: These are common structural drawing symbols used to identify concrete strength, steel properties, soil capacity, beams, columns, reinforcement details, and construction materials on engineering plans.

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