In beams the upper part of the member is under
compression. Piers carry compressive loads over their cross-sections. In girders
the struts are in compression. Most materials are strong in compression, but a strut may fail by buckling , the
member curving out of its original alignment. Demolition sites often provide
examples of compression failure, though you should seek permission and tread
warily, at such sites.
- The squeezing of material by external forces .
Compression is always present somewhere in every bridge. When this kind of stress is present, tension and
shear also occur. Columns and footings carry
ANTERIOR | ARRIBA | SIGUIENTE