PROBLEM (7.3) A steel beam having the modulus elasticity E and allowable normal stress O all experiences pure bending (Fig. P7.3). Calculate the maximum moment M that may be applied and the corresponding radius of curvature p for the two cases: (a) The cross section is a circle of diameter d. (b) The cross section is an equilateral triangle of sides b. Given: d = 12 mm, b = 15 mm, E = 200 GPa, = 160 MPa all

Elements Of Electromagnetics
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PROBLEM (7.3) A steel beam having the modulus elasticity E and allowable normal stress
O all experiences pure bending (Fig. P7.3). Calculate the maximum moment M
that may be
applied and the corresponding radius of curvature p for the two cases:
(a) The cross section is a circle of diameter d.
(b) The cross section is an equilateral triangle of sides b.
b = 15 mm,
Given: d =
12 mm,
E = 200 GPa,
160 MPa
all
Transcribed Image Text:PROBLEM (7.3) A steel beam having the modulus elasticity E and allowable normal stress O all experiences pure bending (Fig. P7.3). Calculate the maximum moment M that may be applied and the corresponding radius of curvature p for the two cases: (a) The cross section is a circle of diameter d. (b) The cross section is an equilateral triangle of sides b. b = 15 mm, Given: d = 12 mm, E = 200 GPa, 160 MPa all
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