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Bridges HTML5

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Summary

Bridges are often grouped into five categories:

  • arch bridges, 
  • beam (girder) bridges, 
  • cantilever bridges (also called girder bridges with cantilevered overhang) 
  • suspension bridges, 
  • cable-stayed bridges.

 The scope (or central span) is the distance between two bridge supports (piles, poles, abutments). It varies between a few tens of meters and two kilometers to the largest bridge in the world (suspended Akashi Kaikyo Bridge in Japan). 

The character animation offers a sensory approach to forces. These forces are mainly of two types: compression (the characters push) and tension (characters pull).

These materials are precisely chosen for their resistance to either of these forces. Stone and concrete arch bridges and piers are highly resistant to compression, steel hangers and steel trusses are highly resistant to tension.

Select a bridge from the choices at the top.

Slide the mouse or your finger vertically downward on the bridge to apply a force to the bridge.

Learning goals

  • Distinguish the main families of bridges. 
  • Simulate intuitively (strength of the characters) the main forces acting on the bridge. 
  • Identify the parts of the bridge undergoing tensile forces and compressive forces.

Keywords

Learn more

Building bridges is necessary to overcome obstacles ( rivers, valleys, ... ) .

The first bridges were probably the result of chance such as stones that formed a ford or a tree that fell to the…

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