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Structures - Triangles and Bridges
Transcript of Structures - Triangles and Bridges
San Fransisco - USA
The Golden Gate Bridge
Chesterville OH - USA
Iron Truss Bridge
Quebec - Canada
Medeira - Spain
Clifton - UK
London - UK
Suspension / Bascule Bridge
Valencia - Spain
Cable Stay Bridge
Amman - Jordan
Cable Stay Bridge
Shenzhen - China
Sydney - Australia
Through Arch Bridge
are one of the strongest shapes in the world
Even in ancient times
people knew this...
The secret of their strength
lays in the way they handle
The Eiffel Tower
Can you spot
Now you know why
we use triangles...
...let's look at bridges.
There are many types of bridge...
This is the Millau bridge
in Southern france.
It spans 2.5km and the deck is 270m above
It is called a 'Cable Stay' bridge
Let's go around the world and look at some other types of bridge...
The Suspension Bridge
This bridge works by 'suspending' the deck below cables
They don't have to be complex, this picture is
also a suspension bridge
Soon, you will be building
your very own bridge!
So let's re-cap
Tacoma Narrows Bridge
Nov 7th 1940
4 months after opening...
How are triangles used in these structures?