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Reinforced Concrete Column (rectangle)
Based on AS3600 2018

Table of Contents

Figure

Column geometry

Height

Eff length factor, kX , kY

Dimension, Dx

Dimension, Dy

Downpipe, Dvoid

Gross area, Ag

Concrete area, Ac

Concrete

Concrete strength

Concrete cover

Downpipe cover

Ultimate strain, εcu

α1

α2

γ

Longitudinal steel

Bar diameter

Yield stress

Bars - top/btm (Space: )

Bars - side (Space: )

Bars - total

Steel area, Ast

Steel modulus, Es

Steel ult. strain, εsu

Steel ties

Bar diameter @

Yield stress

Min tie spacing, S

Column properties

Rad. gyration, rx , ry

Slenderness, λx λy

Radius of gyration, r

Slenderness, λ

Design load

Dead load, G

Live load, Q

Moment, Mx My

Ultimate, N*

Moment magnifier, δb

Ultimate, M*x M*y

βd

Strength design

Buckling capacity, Nc , ΦNc

Buckling check, N*/ΦNc

Squash capacity, Nuo , ΦNuo

Squash check, N*/ΦNuo

Moment capacity, ΦMux M*x/ΦMux

Moment capacity, ΦMuy M*y/ΦMuy

M-N plot (x)

M-N plot (y)

Rates

Steel density

Concrete volume

Reinforcement rate