A composite beam section consists of a 100mm concrete slab and a W400 x 46 steel section. The beam has a simple span of 8.0 m and has a spacing center to center of 2.3 m. Adequate shear connectors are assumed to be present and no shoring is used. Use the following data: LL = 4.8 kPa Partition weight = 860 N/m2 100 mm concrete slab weight =12 mm fc’ =21 MPa Fy = 250 MPa (A36 steel) n = 9 Properties of wide flange: W400x46 A = 5884 mm2 d =403.4 mm Ix = 156.09 x 106 mm4 Ss = 773.5 x 103 mm4 Wt. =46 kg/m a. Compute the stress of steel before the concrete hardens. b. Compute the stress of steel after the concrete hardens. c. Compute the stress of concrete after the concrete harden
A composite beam section consists of a 100mm concrete slab and a W400 x 46 steel section. The beam has a simple span of 8.0 m and has a spacing center to center of 2.3 m. Adequate shear connectors are assumed to be present and no shoring is used. Use the following data: LL = 4.8 kPa Partition weight = 860 N/m2 100 mm concrete slab weight =12 mm fc’ =21 MPa Fy = 250 MPa (A36 steel) n = 9 Properties of wide flange: W400x46 A = 5884 mm2 d =403.4 mm Ix = 156.09 x 106 mm4 Ss = 773.5 x 103 mm4 Wt. =46 kg/m a. Compute the stress of steel before the concrete hardens. b. Compute the stress of steel after the concrete hardens. c. Compute the stress of concrete after the concrete harden
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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# 2.
A composite beam section consists of a 100mm concrete slab and a W400 x 46 steel section. The beam has a simple span of 8.0 m and has a spacing center to center of 2.3 m. Adequate shear connectors are assumed to be present and no shoring is used. Use the following data:
LL = 4.8 kPa
Partition weight = 860 N/m2
100 mm concrete slab weight =12 mm
fc’ =21 MPa
Fy = 250 MPa (A36 steel)
n = 9
Properties of wide flange: W400x46
A = 5884 mm2
d =403.4 mm
Ix = 156.09 x 106 mm4
Ss = 773.5 x 103 mm4
Wt. =46 kg/m
a. Compute the stress of steel before the concrete hardens.
b. Compute the stress of steel after the concrete hardens.
c. Compute the stress of concrete after the concrete hardens.
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