Area 06
Structures & materials
Why bridges dey stand and towers no dey fall
Structures dey carry loads: bridges, towers, roofs and frames. Di shape wey you choose and di material wey you use na dem go decide weda di structure go stand or e go fail.
Wetin you go learn
- Wetin be loads, tension and compression
- Why triangles dey make structures stiff
- How materials dey behave: stiff or flexible, strong or brittle (wey dey break easily)
- How to find weak point and make am strong
Example experiments
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Build bridge wit beams and put load on top until e bend too much.
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Compare square frame and triangle frame under di same load.
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Build di same tower wit different materials.
Tins wey you fit build
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Truss bridge
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Tower wey fit stand against wind
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Crane arm
Dis examples dey show di kind work wey dey dis area. Di lessons wey dem go publish fit different.
Wetin di simulation simplify
- Dem dey describe materials wit only few simple properties; real materials get defects, and dem dey change wit age and weather.
- Di results dey show how one design dey behave inside di model. Real buildings need professional engineers and safety checks.
Every simulation dey simplify reality. To sabi how e dey do am na part of learning engineering.
How e connect to school subjects
Physics, maths (geometry), architecture, art
Connection to oda areas
Structures dey depend on mechanics, and dem dey support everytin from robots to buildings.
E good make you know
Triangle no fit change im shape unless one of im sides change length. Na im make cranes, roofs and bicycle frames full of triangles.