Top reinforcement over columns
Based on AS3600 2018(+A2) Clause 9.2
Table of Contents
Background
9.1.2 Reinforcement and tendon distribution in two-way flat slabs
In two-way flat slabs, at least 25% of the total of the design negative moment in a column-strip and adjacent half middle-strips shall be resisted by reinforcement or tendons or both, located in a cross-section of slab centred on the column and of a width equal to twice the overall depth of the slab or drop panel plus the width of the column.
Inputs
Moment, M*
Slab depth, D
Top cover
Concrete strength, f'c
Rebar strength, fsy
Strength reduction factor, Φ
Concrete strain, εc
Steel strain, εs
Stress block factor, γ
Column geometry
Column Dx
Column Dy
PT strands
PT strand size
PT hat height
PT yield stress
Design option 1
Bar size
Length X-X
Length Y-Y