The rectangular bar will be fabricated with an inclined glued joint at the mid-section as shown in the figure below. Assume that the ultimate stresses for the glue are 10 MPa in the tension and 5 MPa in shear. The factor of safety for the members is at least 2.4. Load W mm

The rectangular bar will be fabricated with an inclined glued joint at the mid-section as shown in the figure below. Assume that the ultimate stresses for the glue are 10 MPa in the tension and 5 MPa in shear. The factor of safety for the members is at least 2.4. Load W mm

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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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

The rectangular bar will be fabricated with an inclined glued joint at the mid-section as shown in the figure below. Assume that the ultimate stresses for
the glue are 10 MPa in the tension and 5 MPa in shear. The factor of safety for the members is at least 2.4.
Load
W mm

a)
Determine the optimum angle for the joint
0 =
degree
b)
Determine the depth, d, for the allowable 20 kN loading and the width of 50mm
mm

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