Broer i tall

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Artikkelen og tallene er hentet fra en rekke kilder som du kan studere nærmere nedenfor. Det er oppgitt referanser til bøker, artikler og nettsteder. Kildelisten er på engelsk fordi den er felles for Illustrert Vitenskaps nettsteder i fem ulike land.

Kilder:

Left column

Siduhe Bridge

testing.highestbridges.com/wiki/index.php?title=Main_Page

Greek bridges and Old London Bridge
David Blockley: Bridges (Oxford University Press, 2010)
Charles S. Whitney: Bridges of the World (Dover Publications, 2003)
Videnskabens Univers, bind 4

151 dead
www.nzhistory.net.nz/culture/the-tangiwai-railway-disaster

27 %
David Blockley: Bridges (Oxford University Press, 2010)

Bridge collisions
www.networkrail.co.uk/aspx/3563.aspx

Galloping Gertie
www.wsdot.wa.gov/tnbhistory/Connections/connections3.htm

Centre

Bungee jump
testing.highestbridges.com/wiki/index.php?title=Main_Page

Golden Gate
goldengatebridge.org/research/facts.php
abclocal.go.com/kgo/story?section=news/local/north_bay&id=7232028
David Blockley: Bridges (Oxford University Press, 2010)

Wooden bridges in Vermont
David Blockley: Bridges (Oxford University Press, 2010)

Howrah Bridge
wikimapia.org/7033110/Howrah-Bridge-By-Rabindra-setu

Sydney Harbour Bridge
David Blockley: Bridges (Oxford University Press, 2010)

Top 10 suspension bridges

goldengatebridge.org/research/facts.php
www.roadtraffic-technology.com/projects/messina/

Record bridges

Zhengzhou bridge
www.skyscrapercity.com/showthread.php?t=1063399

Confederation Bridge
www.confederationbridge.com/en/our_story.php

Wasserstrassenkreuz Magdeburg
www.dw-world.de/dw/article/0,,990878,00.html

Evergreen Point Floating Bridge
David Blockley: Bridges (Oxford University Press, 2010)

Oi river bridge
www.city.shimada.shizuoka.jp/mpsdata/web/3544/4_Sightseeing.jpg

The Hartland Bridge
David Blockley: Bridges (Oxford University Press, 2010)
www.town.hartland.nb.ca/html/bridge.htm

El Ferdan
www.associatepublisher.com/e/e/el/el_ferdan_railway_bridge.htm
quazen.com/arts/architecture/the-world%E2%80%99s-20-most-notable-bridges-architectural-and-engineering-feats/

Rainbow Bridge
www.nps.gov/rabr/index.htm