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An arch bridge carries
its load as a compressive force along the arch. At the ends of
the arch, this force must be transferred outward to foundation
supports or inward with the use of a tension "tie" that runs from one end of
the arch to the other. Howard Street bridge utilizes a tie,
while the masonry arch bridges around Baltimore all transfer
compressive forces directly to their foundations.
Mastan2:
[Axial Force Diagram(s)]
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