A flitch beam can be fabricated by sandwiching two steel plates (2) between three wood boards (1). Dimensions for the cross sectionare b- 1.1 in., d- 6.0 in., and t- 0.50 in. The elastic moduli of the wood and steel are E, - 2200 ksi and Ez - 28000 ksi, respectively.For a bending moment of M; - +14.5 kip-ft, determine:(a) the normal stress in each material at point H, which is located at a distance of a - 1.4 in. above the z centroidal axis.(b) the normal strain in each material at point H.(c) the magnitudes of the maximum bending stress in each material.(1)(1)bAnswer:(a) Owood(H)psiOsteel(H)ipsi(b) Ewood(H) -iμεEsteel(H) - i(c) Owood(max)ipsiOsteel(max)psi

data we have b = 1.1 in d = 6.0 in t =0.50 in ∈1 =2200 ksi∈2 = 28000 ksi Moduli ratio m = ∈2∈1…

Answered: ch material at point H, which is…

Engineering

Civil Engineering

ch material at point H, which is located at a distance of a - 1.4 in. above the zo

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Pressure and Stress

Question

A flitch beam can be fabricated by sandwiching two steel plates (2) between three wood boards (1). Dimensions for the cross section
are b- 1.1 in., d- 6.0 in., and t- 0.50 in. The elastic moduli of the wood and steel are E, - 2200 ksi and Ez - 28000 ksi, respectively.
For a bending moment of M; - +14.5 kip-ft, determine:
(a) the normal stress in each material at point H, which is located at a distance of a - 1.4 in. above the z centroidal axis.
(b) the normal strain in each material at point H.
(c) the magnitudes of the maximum bending stress in each material.
(1)
(1)
b
Answer:
(a) Owood(H)
psi
Osteel(H)
i
psi
(b) Ewood(H) -
i
με
Esteel(H) - i
(c) Owood(max)
i
psi
Osteel(max)
psi

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