A simple beam of length L = 5 m carries a uniform load of intensity q = 5.8 kN/m and a concentrated load 22.5 kN (see figure). P = 22.5 kN| 1.5 m q = 5.8 kN/m -L = 5 m- The 1-1 and 2-2 axes are labeled on the cross section below. (a) Assuming oalow = 120 MPa, calculate the required section modulus S (in mm). (At this point, disregard the weight of the beam.) Select the most economical wide-flange beam (W shape) from this table, and recalculate S (in mm), taking into account the weight of the beam. Select a new beam if necessary. mm3 What is the suitable beam size? O w 360 x 79 w 200 x 31.3 O w 360 x 39 O w 250 x 89 O w 200 x 41.7
A simple beam of length L = 5 m carries a uniform load of intensity q = 5.8 kN/m and a concentrated load 22.5 kN (see figure). P = 22.5 kN| 1.5 m q = 5.8 kN/m -L = 5 m- The 1-1 and 2-2 axes are labeled on the cross section below. (a) Assuming oalow = 120 MPa, calculate the required section modulus S (in mm). (At this point, disregard the weight of the beam.) Select the most economical wide-flange beam (W shape) from this table, and recalculate S (in mm), taking into account the weight of the beam. Select a new beam if necessary. mm3 What is the suitable beam size? O w 360 x 79 w 200 x 31.3 O w 360 x 39 O w 250 x 89 O w 200 x 41.7
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A simple beam of length L = 5 m carries a uniform load of intensity q = 5.8 kN/m and a concentrated load 22.5 kN (see figure).
P = 22.5 kN
1.5 m
q = 5.8 kN/m
-L 5 m-
The 1-1 and 2-2 axes are labeled on the cross section below.
(a) Assuming oalow = 120 MPa, calculate the required section modulus S (in mm). (At this point, disregard the weight of the beam.)
Select the most economical wide-flange beam (W shape) from this table, and recalculate S (in mm), taking into account the weight of the beam. Select
a new beam if necessary.
mm3
What is the suitable beam size?
O w 360 x 79
w 200 x 31.3
O w 360 x 39
O w 250 x 89
O w 200 x 41.7
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