A cover-plate beam is made up of a W21x147 section with 300 mm x 12 mmplates attached to the top and bottom flanges and is fastened by tworows of 20 mm rivets. The beam is simply supported over a span of 6m andcarries a uniformly distributed load of 270 kN/m including its ownweight. The shear capacity of each rivet is 30 kN.Properties of W21x147Overall depth, d = 560 mmMoment of Inertia, I = 0.00151 mmflanged.webW21x147FIGURE 1868. Determine the distance from the centroid of the cover plate to theneutral axis of the built-up section.

Given:- W21x147 platess=300 x12mm uniformly distributed load=270kN/m d=560mm I=0.00151mm4 shear…

Answered: ttached to the top and bottom flanges…

ttached to the top and bottom flanges and i 20 mm rivets. The beam is simply supported ove a uniformly distributed load of 270 kN/m The shear capacity of each rivet is 30 kN. es of W2lx147

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

A cover-plate beam is made up of a W21x147 section with 300 mm x 12 mm
plates attached to the top and bottom flanges and is fastened by two
rows of 20 mm rivets. The beam is simply supported over a span of 6m and
carries a uniformly distributed load of 270 kN/m including its own
weight. The shear capacity of each rivet is 30 kN.
Properties of W21x147
Overall depth, d = 560 mm
Moment of Inertia, I = 0.00151 mm
flange
d.
web
W21x147
FIGURE 18
68. Determine the distance from the centroid of the cover plate to the
neutral axis of the built-up section.

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