Problem Solving

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Problem 814
Find the moment at R2 of the continuous beam shown in Fig. P-814.

Solution 814
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Where

Thus,

answer
- See more at: http://www.mathalino.com/reviewer/strength-materials/problem-814-continuousbeam-three-moment-equation#sthash.IL4yJhnj.dpuf

Problem 815
Find the moment at R2 and R3 of the continuous beam shown in Fig. P-815.

Solution 815
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Moment under R3
answer
Solving for moment under R2

Where

Thus,

answer

Problem 825
See Fig. P-825.

Solution 825
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Three-moment equation for spans (1) and (2)
Where,

Thus,
← equation (1)
three-moment equation to spans (2) and (3)

Where,

Thus,
← equation (2)
From equations (1) and (2)
answer
answer
- See more at: http://www.mathalino.com/reviewer/strength-materials/problem-825-continuousbeam-three-moment-equation#sthash.TjDjGg8k.dpuf

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