You are watching a new bridge being built near your house. You notice during the construction that two concrete spans of the bridge of total length L; = 220 m are placed end to end so that no room is allowed for expansion (figure (a)). In the opening storyline for the thermodynamics chapter, we talked about buckling sidewalks. The same thing will happen with spans on bridges if allowance is not made for expansion (figure (b)). You want to warn the construction crew about this dangerous situation, so you calculate the height y to which the spans will rise when they buckle in response to a temperature increase of AT = 21.0°C. ✓ T T+AT L

You are watching a new bridge being built near your house. You notice during the construction that two concrete spans of the bridge of total length L; = 220 m are placed end to end so that no room is allowed for expansion (figure (a)). In the opening storyline for the thermodynamics chapter, we talked about buckling sidewalks. The same thing will happen with spans on bridges if allowance is not made for expansion (figure (b)). You want to warn the construction crew about this dangerous situation, so you calculate the height y to which the spans will rise when they buckle in response to a temperature increase of AT = 21.0°C. ✓ T T+AT L

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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A: Free Body Diagram of the given problem:

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Question

You are watching a new bridge being built near your house. You notice during the construction that two concrete spans of the bridge of total length L, = 220 m
are placed end to end so that no room is allowed for expansion (figure (a)). In the opening storyline for the thermodynamics chapter, we talked about buckling
sidewalks. The same thing will happen with spans on bridges if allowance is not made for expansion (figure (b)). You want to warn the construction crew about
this dangerous situation, so you calculate the height y to which the spans will rise when they buckle in response to a temperature increase of AT = 21.0°C.
y =
b
T
T+AT

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