For a doubly reinforced rectangular beam section, total tensile force in tension steel is: (Area of tension steel = Ast', stress in tension steel = fxs' xu < xu,max)
1
0.87fyAst
2
0.2Astfst
3
0.36fyAst
4
0.447fyAst
For a doubly reinforced rectangular beam section, total tensile force in tension steel is: (Area of tension steel = Ast', stress in tension steel = fxs' xu < xu,max)