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RC Column
Interaction Diagrams
1 to 4% Diagrams
Tabulated Values
Fire Check
Confinement
Shear Check
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Calculations
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Inputs
Materials
f'c (N/mm²)
fy (N/mm²)
fys (N/mm²)
Geometry (mm)
Column Type
Rec
Cir
Short Dimension
Long Dimension
Cover to Centre
Effective Height
Rebar Dia (mm)
16
20
24
28
32
36
40
No of Bars - Short Dir.
No of Bars - Long Dir.
Total Reo
Loads (KN, m)
DL
LL
Ultimate N*
Weak Dir .Moments
Top Moment
Bot. Moment
Strong Dir. Moments
Top Moment
Bot. Moment
Save File
Weak Axis
K
ey Values
Φ Mub
-
Φ Nub
-
Nc
-
Φ Mu
-
Km
-
Φ Nuo
-
δ b
-
Φ Nt
-
Design Loads
N*
-
N*/ BD
-
M*
-
M/ BD²
-
Utlilisation=
-
Strong Axis
K
ey Values
Φ Mub
-
Φ Nub
-
Nc
-
Φ Mu
-
Km
-
Φ Nuo
-
δ b
-
Φ Nt
-
Design Loads
N*
-
N*/ BD
-
M*
-
M/ BD²
-
Utllisation=
-
Biaxial
Desgin Loads
M* Weak =
-
Φ Muo Weak =
-
M* Strong =
-
Φ Muo Strong =
-
Alfa n =
-
Plan of a quarter 3D interaction diagram,
at the plane of applied load OF:
-
Bi Axial Ratio =
-
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