SITUATION $4(13-15)$: A rectangular beam reinforced for tension only has $b=310mm,d=500mm,f{c}^2=32$MPa and $f_y=275$MPa. Determine the ultimate moment capacity of the beam in $KN-m$ if$,13.$ the tension steel area provided is $4500m{m}^2.$

$14.$ the tension steel area provided is $8836m{m}^2.$

$15.$ the tension steel area provided is $10800m{m}^2.$

SITUATION $5(16-18)$: A rectangular beam has $b=320mm$ and $d=490mm.$ Concrete compressive strength $27\mathrm{.}6$ MPa and steel yield strength $276$ MPa $.$ Calculate the required lension steel area if the factored moment is $16\mathrm{.}30kN-m,$

$17.160kN-m$

$18.640kN-m.$

SITUATION $4(13-15)$: A rectangular beam reinforced for tension only has $b=310mm,d=500mm,f{c}^{\text{'}}=32$MPa and $f_y=275$MPa. Determine the ultimate moment capacity of the beam in $KN-m$ if$,13.$ the tension steel area provided is $4500m{m}^2.$

$14.$ the tension steel area provided is $8836m{m}^2.$

$15.$ the tension steel area provided is $10800m{m}^2.$

SITUATION $5(16-18)$: A rectangular beam has $b=320mm$ and $d=490mm.$ Concrete compressive strength $27\mathrm{.}6$ MPa and steel yield strength $276$ MPa $.$ Calculate the required tension steel area if the factored moment is $16\mathrm{.}30kN-m,$

$17.160kN-m$

$18.640kN-m.$