Roof structure Problem 1.7-2 Truss members supporting a roof are con- nected to a 26-mm-thick gusset plate by a 22-mm diameter pin as shown in the figure and photo. The two end plates on the truss members are each 14 mm thick. (a) If the load P-80 kN, what is the largest bearing stress acting on the pin? (b) If the ultimate shear stress for the pin is 190 MPa, what force Pan is required to cause the pin to fail in shear? Truss member. End (Disregard friction between the plates.) plates Pin LI-14 mm Gusset. plate -26 mm

Roof structure Problem 1.7-2 Truss members supporting a roof are con- nected to a 26-mm-thick gusset plate by a 22-mm diameter pin as shown in the figure and photo. The two end plates on the truss members are each 14 mm thick. (a) If the load P-80 kN, what is the largest bearing stress acting on the pin? (b) If the ultimate shear stress for the pin is 190 MPa, what force Pan is required to cause the pin to fail in shear? Truss member. End (Disregard friction between the plates.) plates Pin LI-14 mm Gusset. plate -26 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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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

Roof structure
Problem 1.7-2 Truss members supporting a roof are con-
nected to a 26-mm-thick gusset plate by a 22-mm diameter
pin as shown in the figure and photo. The two end plates on
the truss members are each 14 mm thick.
(a) If the load P-80 kN, what is the largest bearing
stress acting on the pin?
(b) If the ultimate shear stress for the pin is 190 MPa, what
force Pan is required to cause the pin to fail in shear?
Truss
member.
End
(Disregard friction between the plates.)
plates
Pin
LI-14 mm
Gusset.
plate
-26 mm

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