A simply supported beam is made up of A36 steel with Fy=245 MPa and is laterally unsupported all throughout. Determine the allowable bending stress for a span of 5m. Consider that the beam is a rolled wide-flange section. Use the properties of the designated wide-flange section below. a. Determine the design flexural strength (in MPa). b. Determine the ultimate live load (in kN/m) that the beam could carry.
A simply supported beam is made up of A36 steel with Fy=245 MPa and is laterally unsupported all throughout. Determine the allowable bending stress for a span of 5m. Consider that the beam is a rolled wide-flange section. Use the properties of the designated wide-flange section below. a. Determine the design flexural strength (in MPa). b. Determine the ultimate live load (in kN/m) that the beam could carry.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A simply supported beam is made up of A36 steel with Fy=245 MPa and is laterally unsupported all throughout. Determine the allowable bending stress for a span of 5m. Consider that the beam is a rolled wide-flange section. Use the properties of the designated wide-flange section below.
a. Determine the design flexural strength (in MPa).
b. Determine the ultimate live load (in kN/m) that the beam could carry.
Transcribed Image Text:Flange
Web
Mass
Area
Thickness
thickness
Depth
(mm)
Wid th
(kg/m)
(mm²)
(mm)
(mm)
(mm)
314
40100
785
384
33.5
19.7
Axis X-X
Axis Y-Y
S= Ilc
(10° mm³)
S = Ilc
(10 mm)
r= VIJA
r= VIJA
(10“ mm*)
(mm)
(10° mm4)
(mm)
4 290
10 900
328
315
1 640
88.6
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