why breadth of beam is shorter than (or equal to )its depth?
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Answer Posted / er.prabhakara.b
While Counter acting the External Action like Bending
Momnent and Deflections
The depth of beam governs ie the Strength of Beam depends
Square (Mu/bd^2) Times in Resisting Bending rather than
width
The depth of beam governsin case Deflection Cubic (bd^3/12
for Rectangular Sections) Times
In All practal cases Bending Moment and Deflections are
Dominant
But in Case of Shear Force if you keep wider beams the
resisting capacity is more
Conclusion
In case of Members with large Spans provide Depth of Beam
More (Usally 2 times the Width)
In Case of Smaller Spans with Point Loads Provide Wider
Beams
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