Science 6666t6
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SCIENCE 2009 Structures By: choclaterice-1
Transcript of Science 6666t6
SCIENCE 2009Structures
By: choclaterice-1
Great Wall of China The Great Wall of China is a man made structure.
It is a solid structure
it is about 6,400km long.
Purpose to keep intruders out and away and maintain peace.
Wheel Chair
The Wheel chair is a man made structure
It is a frame structure.
It is for handicap people that are paralyzed.
Chicken eggs The chicken egg is a shell structure
It can be any size depending on the chicken.
The purpose is to hold baby chickens inside so they can hatch.
Bricks
The brick is a solid structure.
It is man made.
purpose is to build.
Helmet The helmet is a solid structure.
it is for safety.
The purpose is to be safe for construction.
Beam bridge is most common bridge used
simple is supported at 2 ends
longer ones supported by additional piers
Truss Bridge light weight but strong
made of trusses along its side
Shell structure
Suspension Bridge Hangs between two ends that hold it up.
modern suspension bridge has tall towers on either end that support the main cables.
main cables are anchored to concrete at each end of the bridge.
Arch Bridge designed to withstand heavy loads
dynamic load of people and other traffic causes each piece of wood or stone in the arch to push against the piece next to it.
This push is eventually transferred to the end supports, which are embedded in the ground.
