Sources
Many websites, videos, and articles were used to gather this information. These are the used sites:
- http://science.howstuffworks.com/engineering/civil/bridge1.htm -Thirteen pages of information on bridges in general, and how they work.
- https://www.youtube.com/watch?v=7Yl5cFp1HkU -A nine minute video from Doc Physics, explaining the force of resonance.
- http://www.livescience.com/34608-break-stride-frequency-of-vibration.html -A short and interesting article on examples of resonance.
- https://www.youtube.com/watch?v=5UPJ3waHtp4 -A four minute video form the University of Illinois on shear and torsion. These forces are applied to models.
- http://images.books24x7.com/bookimages/id_9027/fig12-1.jpg - A picture of shear, torsion, compression, and tension applied to a rectangular prism.
- https://www.youtube.com/watch?v=XggxeuFDaDU -A primary source video of the Tacoma Narrows Bridge collapse.
- http://www.britannica.com/EBchecked/topic/79272/bridge -Thirteen pages of information on bridge history and design, along with materials and more.
- http://www.pbs.org/wgbh/buildingbig/lab/loads.html -This interactive shows bridge materials and forces that act on bridges.
- http://sdrc.lib.uiowa.edu/eng/bridges/WaddellGlossary/GlossA.htm - A glossary of bridge terms.
- http://www.hsr.ca.gov/docs/programs/statewide_rail/proj_sections/SanJose_Merced/CWG_2_Bridge_Terminology_4_8_11.pdf -Another glossary of bridge terms.
- http://inhabitat.com/extraordinary-living-bridges-are-made-of-growing-roots-and-vines/root-living-bridges6/?extend=1 -An article on living bridges in India.
- http://makezine.com/2010/06/10/ask-make-how-do-trusses-work/ -An explanation of trusses and how they work.
- http://www.weather.com/news/news/golden-gate-anniversary -Information on the Golden Gate Bridge.
- http://www.history.com/this-day-in-history/tacoma-narrows-bridge-collapses -An article on the Tacoma Narrows Bridge collapse.
- http://www.wsdot.wa.gov/tnbhistory/connections/connections3.htm -A detailed account of the Tacoma Narrows Bridge collapse.