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Bridge Project. Erin Bastick. Beam Bridge. Horizontal Beams supported by piers at each end. . Bell Isle Central Avenue Bridge Wayne County, Michigan 1893. Arch Bridge. Arch-shaped and have abutments at each end. . The Possum Kingdom Masonry Arch Bridge Palo Pinto County, Texas 1942
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Bridge Project Erin Bastick
Beam Bridge Horizontal Beams supported by piers at each end. Bell Isle Central Avenue Bridge Wayne County, Michigan 1893
Arch Bridge • Arch-shaped and have abutments at each end. The Possum Kingdom Masonry Arch Bridge Palo Pinto County, Texas 1942 433 ft long
Suspension Bridge • Suspended from cables that hang from towers that are attached to caissons of cofferdams which are implanted into the floor of a lake or river. Pearl Bridge Japan 1998 6532 ft long
Cantilever Bridge • Built using cantilevers which are horizontal beams that are supported on only one end. Quebec Bridge Quebec, Canada Longest Cantilever Bridge in the World: 549 m
Truss Bridge • Has a solid deck and a lattice of pin-jointed girders for the sides. Calhoun Bridge McLean County, Kentucky
Cable-Stayed Bridge • Held up by cables like a suspension bridge but less cable is needed and the towers that hold the cables are shorter. Rama VIII Bridge Bangkok, Thailand 2002
The Bridge Eric Steel Bridge to TerabithiaKatherine Paterson
Tacoma-Narrows Bridge Disaster Washington 1940 Suspension Bridge Wind-induced Vibrations
Tangiwai Bridge Disaster Tangiwai, New Zealand 1957 Railway Bridge Damaged by laharjust before a train passed 151 people died & 134 were injured
Tasman Bridge Disaster Hobart, Australia 1975 Concrete Bridge Freighter Collided with Bridge 12 people died City was split into two until 1977
Millau Bridge Tarn Valley, France Cable-Stayed Bridge 8,071 ft long
GatesheadMillineum Bridge River Tyne, England First and only Tilting Bridge in the World $44 Million
San-Diego Coronado Bridge San Diego, California Has a 90° angle 11,288 ft long
Physics in Bridges • Compression is a force or stress that acts to compress or shorten • Tension is a force or stress that acts to expand or lengthen • Stress is the average amount of force exerted per unit area • Strain is a measure of deformation an object experiences
References • http://en.wikipedia.org/wiki/Bridge • http://en.wikipedia.org/wiki/List_of_bridge_disasters • http://frikoo.com/18-stunning-bridges-from-around-the-world • http://en.wikipedia.org/wiki/Bridge_collapse • http://filebox.vt.edu/users/aschaeff/titlepage.html • http://science.howstuffworks.com/bridge1.htm • http://www.uwgb.edu/DutchS/structge/stress.htm