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American Concrete Design
Section 3
3-4
generate load cases which contain loads magnified by the
appropriate load factors.
Table 3.1 – ACI 318 Design Parameters
Parameter Default Description
Name Value
FYMAIN * 60,000 psi Yield Stress for main reinforcing
steel.
FYSEC * 60,000 psi Yield Stress for secondary steel.
FC * 4,000 psi Compressive Strength of Concrete.
CLT * 1.5 inch Clear cover for top reinforcement.
CLB * 1.5 inch Clear cover for bottom
reinforcement.
CLS * 1.5 inch Clear cover for side reinforcement.
MINMAIN ** Number 4 bar Minimum main reinforcement bar
size. (Number 4 - 18)
MINSEC ** Number 4 bar Minimum secondary reinforcement
bar size.
MAXMAIN ** Number 18 bar Maximum main reinforcement bar
size
SFACE *0.0 Face of support location at start of
beam. If specified, the shear force
at start is computed at a distance of
SFACE+d from the start joint of the
member.
EFACE *0.0 Face of support location at end of
beam. (Note: Both SFACE &
EFACE are input as positive
numbers) If specified, the shear
force at end is computed at a
distance of EFACE+d from the end
joint of the member..
REINF 0.0 Tied Column. A value of 1.0 will
mean spiral.
MMAG
1.0
(for columns only)
A factor by which the column
design moments will be magnified.
WIDTH *ZD Width of concrete member. This
value defaults to ZD as provided
under MEMBER PROPERTIES.