About Truss and Beams
Truss is a structure of connected
elements forming triangular units, and a bridge whose load-bearing
superstructure is composed of a truss is a truss bridge. The truss members like
chords, verticals, and diagonals act only in either tension or compression.
Short-span truss bridges are built as simply supported, while the large span
truss bridges are generally built as continuous supported.
Beam is a structural
element that primarily resists loads applied laterally to
the beam's axis. The loads applied to the beam result in reaction forces at
the beam's support points. The total effect of all the forces acting on the
beam is to produce shear forces and bending moment within the beam,
that in turn induce internal stresses, strains and deflections of the beam.
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