9. A beam of rectangular cross section is shown inFig 3a.i)Calculate the second moment of area for the beam shown below.ii) If the maximum bending moment on the beam is 20 kNm, determine the maximum tensile andcompressive bending stresses in the beam.50 mm200 mmh=300 mmb=100 mm

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Answered: 9. A beam of rectangular cross section…

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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Q1: The beam shown in Figure 1 is subjected to a vertical force Pv and a horizontal force Ph. The data for Pv, Ph, a,L,and e are shown in Table 1. Determine the maximum compressive and tensile stresses under the vertical force (at a distance a from the left support.) Pv = 80k N a = G0o 6 omm e %3D 26 K N 120 mm L =3600 mm Figure 1 250 mm
1
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A cantilever beam of length 6 m has an additional support at a distance of 2 m from its free end as shown in Figure 4. It has the cross-sectional dimensions with height h=300 mm, inside height h₁ =250 mm, width b= 150 mm, and inside width b₁=100 mm. It is made of an elastic perfectly plastic material having tensile and compressive yield stress of oy = 250 MPa. Determine the yield moment My of the beam Determine the plastic moment Mp of the beam ✓ By using force method and selecting the vertical reaction at C to be redundant, draw shear and bending diagrams using the graphical method. -Determine the minimum value of W at which collapse occurs B/2W C 77 2m 2m 2m C b₁

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9. A beam of rectangular cross section is shown in Fig 3a. i) Calculate the second moment of area for the beam shown below. ii) If the maximum bending moment on the beam is 20 kNm, determine the maximum tensile and compressive bending stresses in the beam. 50 mm 200 mm h=300 mm b=100 mm