Situation No.1 Given: Lu = 5 m Beam dimension is 150mm x 300 mm Properties of Yakal: 80 % grade Bending and tension parallel to grain = 24.5 MPa Modulus of elasticity in bending = 9.78 x 103 MPa Compression parallel to grain = 15.8 MPa Compression perpendicular to grain = 6.27 MPa Shear parallel to grain = 2.49 MPa b. Solve for the allowable bending stress in MPa w KN/m W

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Author:Segui, William T.
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Chapter1: Introduction
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Problem 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...
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Solve for bending stress only

Situation No.1
Given: Lu = 5 m
Beam dimension is 150mm x 300 mm
Properties of Yakal :
80 % grade
Bending and tension parallel to grain = 24.5 MPa
Modulus of elasticity in bending = 9.78 x 10° MPa
Compression parallel to grain = 15.8 MPa
Compression perpendicular to grain = 6.27 MPa
Shear parallel to grain = 2.49 MPa
b. Solve for the allowable bending stress in MPa
KN/m
Situation No. 2
Given: An 80% stress grade Guijo has an allowable bending stress of 21.8 MPa, E = 8.47 x
103 MPa, compression parallel to grain is 13.2 Mpa. The beam dimension is 150 mm x 450 mm.
It carries a concentrated load at the center. Span of the beam is 7 m.
Solve for the allowable bending stress.
Transcribed Image Text:Situation No.1 Given: Lu = 5 m Beam dimension is 150mm x 300 mm Properties of Yakal : 80 % grade Bending and tension parallel to grain = 24.5 MPa Modulus of elasticity in bending = 9.78 x 10° MPa Compression parallel to grain = 15.8 MPa Compression perpendicular to grain = 6.27 MPa Shear parallel to grain = 2.49 MPa b. Solve for the allowable bending stress in MPa KN/m Situation No. 2 Given: An 80% stress grade Guijo has an allowable bending stress of 21.8 MPa, E = 8.47 x 103 MPa, compression parallel to grain is 13.2 Mpa. The beam dimension is 150 mm x 450 mm. It carries a concentrated load at the center. Span of the beam is 7 m. Solve for the allowable bending stress.
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