RC

RC Beam Design — ACI 318-19

Singly/doubly-reinforced rectangular beam · normal-weight · no axial / torsion

SI: MPa, mm, kN

SIUS

1. Geometry

Web width(bw)mm

Total depth(h)mm

Clear cover(cc)mm

Stirrup dia.(dst)mm

Clear span(ℓn)mm

Defl. span(ℓ)mm

d (sag)

540.5 mm

d (hog)

543.0 mm

2. Materials

Concrete f'c(f'c)MPa

Unit weight(wc)kN/m³

Steel fy(fy)MPa

Stirrup fyt(fyt)MPa

Steel Es(Es)MPa

λ factor(λ)—

3. Reinforcement

Bottom bar dia.(db,bot)mm

Top bar dia.(db,top)mm

Side bar dia.(db,side)mm

# bottom bars(nb,bot)

# top bars(nb,top)

# side bars / face(nb,side)

Stirrup legs(nleg)

Stirrup spacing(s)mm

As (bot)

1,963.5 mm²

As (top)

942.5 mm²

4. Loads

Mu sag(Mu+)kN·m

Mu hog(Mu−)kN·m

Factored shear(Vu)kN

MD sag(MD+)kN·m

ML sag(ML+)kN·m

MD hog(MD−)kN·m

ML hog(ML−)kN·m

ψL (sustained LL)(ψL)

K (defl. coef.)

ξ (Table 24.2.4.1.3)

Δ limit ℓ/x

ρ' (auto blank)

5. Development Length Factors (ACI 25.4.2.5)

ψt(ψt)

ψe(ψe)

ψs(ψs)

ψg(ψg)

(cb+Ktr)/db