Timber beam
- Thread starter Jase222
- Start date
No, because that would not be a true flitched beam.
In a normal flitched beam, the steel plate is assumed to take the majority of the bending stress, while the timbers each side serve mainly to prevent the plate from buckling. If the plates are on the outside, the only thing to stop them buckling before they reached their maximum allowable stress would be the bolts. There would need to be so many of them that it would make the timber like a Swiss cheese.
But the question is, why use a flitched beam in the first place?
Surely a steel I-beam would be cheaper?
In a normal flitched beam, the steel plate is assumed to take the majority of the bending stress, while the timbers each side serve mainly to prevent the plate from buckling. If the plates are on the outside, the only thing to stop them buckling before they reached their maximum allowable stress would be the bolts. There would need to be so many of them that it would make the timber like a Swiss cheese.
But the question is, why use a flitched beam in the first place?
Surely a steel I-beam would be cheaper?
That depends chiefly on the span and the loading, amongst other things.
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