HERE IS A FAIRLY DETAILED DESCRIPTION ABOUT BRIDGE CONSTRUCTION
http://pghbridges.com/basics.htm
(Please print and bring to class or bring a laptop so that you can view it online. Its quite a few pages.. between 15-20)
Here is a link to a bridge building contest
http://www.balsabridge.com/
Also if you click on the different links by year, they show how students are constructing their bridges
Important Terms in brief:
anchor arm: The portion of a cantilever bridge that counterbalances the
cantilever arm.
cable-stayed bridge: A bridge supported by straight cables radiating
outward from one or more towers.
cantilever arm: The portion of a cantilever bridge that projects beyond an
intermediate support.
deck truss: A truss bridge with the deck located at the level of the top chord.
suspended span: A central span of a cantilever bridge. The suspended span
is supported by the cantilever arms.
through truss: A truss bridge with the deck located at the level of the
bottom chord.
What a great site. I printed the basics of bridges, and, in fact, other vocabulary terms as well.
ReplyDeleteI also got the DVD of Oakland Bay Bridge library. We will watch it, and have An. make a short summary of it:
http://sccl.bibliocommons.com/item/show/1208301016_extreme_engineering