A W24x250 is used as a beam to support a one-way concrete slab floor system. The floor is to carry a total load of Y kPa (30% DL, 70%LL, self-weight is included in DL). The beam is simply supported over a span of W/2 m. Assume the beam is laterally supported over its length. Use Fy = 248 MPa. Allowable deflection from service loads is L/360. Use ASD. a.What is the center-to-center spacing of the beams (m) based on shear capacity? b.What is the center-to-center spacing of the beams (m) based on flexural capacity? C.What is the center-to-center spacing of the beams (m) based on allowable deflection? Reference datas: W= 25 mm , 25 MPa W/2 = 12.5 m W/4 =6.25m X=475 KN Y= 155 KN, 155 KPa, 175 mm Z=60 ×+Z=535mm
A W24x250 is used as a beam to support a one-way concrete slab floor system. The floor is to carry a total
load of Y kPa (30% DL, 70%LL, self-weight is included in DL). The beam is simply supported over a span of
W/2 m. Assume the beam is laterally supported over its length. Use Fy = 248 MPa. Allowable deflection
from service loads is L/360. Use ASD.
a.What is the center-to-center spacing of the beams (m) based on shear capacity?
b.What is the center-to-center spacing of the beams (m) based on flexural capacity?
C.What is the center-to-center spacing of the beams (m) based on allowable deflection?
Reference datas:
W= 25 mm , 25 MPa
W/2 = 12.5 m
W/4 =6.25m
X=475 KN
Y= 155 KN, 155 KPa, 175 mm
Z=60
×+Z=535mm
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