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RKALC Diamond
When Columns Rotate Centrally
Main STM Model
Complementary Bearing Check
Calculations
Theory
My Columns
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Inputs
Materials (MPa)
f'cs -Slab
fcc -Columns
fy
Geometry (Units mm)
Slab Depth
Cover to REO Centre
Effective Depth
Width of Col. Over
Length of Col. Over
REO% Col. Over
Width of Col. Under
Length of Col. Under
REO% Col. Under
Loads KN
Ultimate (KN)
Squash Col Over
Squash Col Under
Strut & Tie Check
Slab Joint / Eff .Stress (fce MPa)
Central Strut Capacity (KN) / CC Node
Load transfered via 4 inclined struts (KN)
Length of Tie Over (mm)
Length of Tie Under (mm)
Min 3D Anlge - Struts / Ties
Strut Effeciency Factor
Top Tie / Strut Angle (Projected/Degrees)
Bot. Tie / Strut Angle (Projected/Degrees)
Tie Force Over (KN)
Tie Force Under (KN)
Top REO (mm²)
Bottom REO (mm²)
Inclined Strut Force (each) (KN)
Stress in Each Strut (MPa)
Allowed Strut Stress (MPa)
Top Node Stress (MPa)
vs. max of
Bot. Node Stress (MPa)
vs. max of
Graphics
Plan
Elevation 1
Elevation 2
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