The composite beam shown in the figure is simply supported and carries a total uniform load of 90 kN/m on a span length of 4 m The beam is built of a wood member having cross-sectional dimensions 150 mm x 250 mm and two steel plates of cross-sectional dimensions 50 mm x 150 mm. The moduli of elasticity are E, = 214 GPa and E, = 11 GPa 250 mm 50 mm iso mm (a) Determine the maximum stress o, in the steel. (Disregard the weight of the beam. Round to one decimal place.) MPa (b) Determine the maximum stress o, in the wood. (Disregard the weight of the beam. Round to one decimal place.) MPa

The composite beam shown in the figure is simply supported and carries a total uniform load of 90 kN/m on a span length of 4 m The beam is built of a wood member having cross-sectional dimensions 150 mm x 250 mm and two steel plates of cross-sectional dimensions 50 mm x 150 mm. The moduli of elasticity are E, = 214 GPa and E, = 11 GPa 250 mm 50 mm iso mm (a) Determine the maximum stress o, in the steel. (Disregard the weight of the beam. Round to one decimal place.) MPa (b) Determine the maximum stress o, in the wood. (Disregard the weight of the beam. Round to one decimal place.) MPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A beam of the cross section shown is made of a steel that is assumed to be elastoplastic with E=29×106psi and σY= 42 ksi. A bending couple is applied to the beam about the z axis, causing plasticzones 2 in. thick to develop at the top and bottom of the beam. After the couple has been removed, determine (a) the residual stress at y=2 in., (b) the points where the residual stress is zero, (c) the radius of curvature corresponding to the permanent deformation of the beam.
10/10 FIND STRESS IN STEEL MATERIALS IN COMPOSITE COLUMIN SHOWN BELOW. IF E st= 200 kN/MM2, Ealu.=70 kN/MM2 100 kN RALU=30 MM Aluminum Steel 1m R ST 20 MM
A composite beam is made of two brass [E = 97 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected to a bending moment of 2420 N-m acting about the z axis. Assume b=64 mm, d1=36 mm, d2=13 mm. Determine: (a) the maximum bending stresses opy,Gal in the brass plates and the aluminum bar. (b) the stress in the brass obrj at the joints where the two materials are bonded together. Brass (2) d2 Aluminum (1) Brass (2) dz b Answers: (a) obr = i MPa, oal = i MPа. (b) Obrj MPa.
The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 65°F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 10-6/° F for steel and 12.8 x 106/°F for aluminum Given: L1 = 15in; L2 = 11in Your final answer should contain two decimal places Steel A = 3 in² E = 29 x 106 psi Correct Answer: 3.92 L2 Aluminum A = 2 in² E = 10 x 106 psi L1
A composite beam is made of two brass [E = 120 GPa] bars bonded to two aluminum [E = 70 GPa] bars, as shown. The beam is subjected to a bending moment of 400 N-m acting about the z axis. Using a = 15 mm, b = 100 mm, c = 30 mm, and d = 65 mm, calculate (a) the maximum bending stress in the aluminum bars. (b) the maximum bending stress in the brass bars. Aluminum y Brass Aluminum b Brass C a d
A composite beam is made of two brass [E = 120 GPa] bars bonded to two aluminum [E = 73 GPa] bars, as shown. The beam is subjected to a bending moment of 445 N-m acting about the z axis. Using a = 15 mm, b = 125 mm, c = 30 mm, and d = 75 mm, calculate (a) the maximum bending stress in the aluminum bars. (b) the maximum bending stress in the brass bars. Z Aluminum C Aluminum Answers: (a) Ogl Brass (b) Obr= i i b Brass a MPa MPa
QU A composite beam is fabricated by bonding a steel bar and a brass bar and is subjected to the bending moment M = 200 N-m. Determine the maximum bending stress in the brass and steel. Given: E, =200 GPa, E, = 100 GPa Brass 20 }o | Jakrtal
!
According to IS 800-1962 the permissible bending stress in steel slab plate is (b) 1420 kg/cm² (d) 1890 kg/cm² (a) 1500 kg/cm² (c) 2125 kg/cm²
two decimal places
A composite beam is made of two brass [E = 112 GPa] bars bonded to two aluminum [E = 69 GPa] bars, as shown. The beam is subjected to a bending moment of 350 N-m acting about the z axis. Using a = 15 mm, b = 115 mm, c = 25 mm, and d = 65 mm, calculate (a) the maximum bending stress in the aluminum bars. (b) the maximum bending stress in the brass bars. Z Aluminum с Aluminum Answers: (a) Jal= (b) Obr= Brass i y i b Brass a a MPa MPa
Please solve this question and provide solution