13.5 and supported at the middle on a pontoon. When the bridge is unloaded the three supports are al at the same level, and the pontoon is such that the vertical displacement is equal to the load on multiplied by a constant A. Show that the load on the pontoon, due to a concentrated load W, placed one-quarter of the way along the bridge, is given by A bridge across a river has a span 21, and is constructed

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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13.5
and supported at the middle on a pontoon. When the bridge is unloaded the three supports are all
at the same level, and the pontoon is such that the vertical displacement is equal to the load on it
multiplied by a constant 1. Show that the load on the pontoon, due to a concentrated load W,
placed one-quarter of the way along the bridge, is given by
A bridge across a river has a span 21, and is constructed with beams resting on the banks
11W
6EN
16 |1 +
where I is the second moment of area of the section of the beams.
Transcribed Image Text:13.5 and supported at the middle on a pontoon. When the bridge is unloaded the three supports are all at the same level, and the pontoon is such that the vertical displacement is equal to the load on it multiplied by a constant 1. Show that the load on the pontoon, due to a concentrated load W, placed one-quarter of the way along the bridge, is given by A bridge across a river has a span 21, and is constructed with beams resting on the banks 11W 6EN 16 |1 + where I is the second moment of area of the section of the beams.
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