Problem 2: A existing (E) W18x40 is deflecting too much and you were asked to decrease the floor deflection by 30%. Since space is limited, you can only use a maximum of a 3" deep member. Choose a WT member to increase the moment of inertia by 30%. Note: Do not over-design the member or else you'll loose the job to another engineer. You are given $1,500 to do this job.
Problem 2: A existing (E) W18x40 is deflecting too much and you were asked to decrease the floor deflection by 30%. Since space is limited, you can only use a maximum of a 3" deep member. Choose a WT member to increase the moment of inertia by 30%. Note: Do not over-design the member or else you'll loose the job to another engineer. You are given $1,500 to do this job.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 2: A existing (E) W18x40 is deflecting too much and you were asked to
decrease the floor deflection by 30%. Since space is limited, you can only use a
maximum of a 3" deep member. Choose a WT member to increase the moment of
inertia by 30%. Note: Do not over-design the member or else you'll loose the job to
another engineer. You are given $1,500 to do this job.
(E)W18x40
(N)WT3x???
Expert Solution
Step 1: step 1
Given data,
section (E)W18x 40
space is limited
use maximum 3" deep member
Find
choose the WT member to increase the moment of inertia by 30%
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