0 20 40 60 80 1000

200

400

600

800

1000

1200

Available Beam Moment Strength

Lb, Unbraced Length (ft)

fbMn, D

esign

Mom

ent

(kip-ft)

0 20 40 60 80 1000

200

400

600

800

1000

1200Available Beam Moment Strength

Lb, Unbraced Length (ft)

Mn/

Wb,

Allo

wab

le M

omen

t (ki

p-ft

)

0 50 100 150 200 2500

500

1000

1500

2000

2500

3000

3500

4000

4500

3131.2499170502

4237

1286

Available Beam Moment Strength

Lb, Unbraced Length (ft)

fbMn, D

esign

Mom

ent

(kip-ft)

12.00 ft200 k*ft

1.00

W21X48 207 k*ftW24X55 228 k*ftW21X55 251 k*ftW18X55 223 k*ftW21X57 225 k*ftW16X57 212 k*ftW12X58 204 k*ftW18X60 249 k*ft

Lb =Ma =Cb =

Mn/Wb @ Lb

0 2 4 6 8 10 12 14 16 18 20127.43807220459

177.43807220459

227.43807220459

277.43807220459

327.43807220459

377.43807220459

200.00

307.500012218952

216.000008583069

262.500010430813

322.500012814999

280.0000111262

315.000012516975

335

268

Available Beam Moment Strength

Lb, Unbraced Length (ft)

Mn/

Wb,

Allo

wab

le M

omen

t (ki

p-ft

)