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Civil Engineering
What design do the built-up sections require?

What design do the built-up sections require?

Architectural Drafting and Design (MindTap Course List)
Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN:9781285165738
Author:Alan Jefferis, David A. Madsen, David P. Madsen
Publisher:Alan Jefferis, David A. Madsen, David P. Madsen
Chapter36: Sectioning Basics
Section: Chapter Questions
Problem 36.2Q
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What design do the built-up sections require?

Expert Solution
Step 1

The built-up section is also known as a compound beam. it is generally used when the rolled steel beam is not able to provide enough section modulus for span or does not enough to withstand when the magnitude of the bending moment is too high. Sometimes drawing small depths of the beam does not enough to provide enough section modulus, so in these cases, plates are used to provide the beam.

The different designs of the built-up sections are shown depending on the requirement.

(a)

 

Civil Engineering homework question answer, step 1, image 1

The above design used for small span and heavy loads.

Step 2

(b)

Civil Engineering homework question answer, step 2, image 1

The above design used for small spans and heavy loads.

Step 3

(c)

Civil Engineering homework question answer, step 3, image 1

The above design used for large spans and heavy loads.

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