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Engineering Structures Bridge Building

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Page 1: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Engineering StructuresBridge Building

Page 2: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Structures

Structures are anything that are built or constructed.

These are things we live in, work in, learn in, and play in.

All structures preform different functions

Page 3: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Apartment Building in Italy

Page 4: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Forces• Forces affect structures

every day. – Wind– Water– Snow– Earthquakes

• Forces that act on structures are called loads.

Page 5: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Loads• Live Loads

– Live loads change as a structure is used

• People• Furniture• Cars• trucks

• Dead Loads• Do not change, the

weight of the structure stay the same• Beams• Floor• Walls

Page 6: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Stresses

Compression

Shear

Deflection

Tension

Torsion

Page 7: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Compression

• A squeezing or crushing force produced when a pair of objects move toward each other

Page 8: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Shear

• A cutting force produced when a pair of forces moving toward an object just miss each other

Page 9: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Deflection

• A bending force

Page 10: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Tension

• A pulling force produced on an object when a pair of forces move in opposite directions

Page 11: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Torsion

• A twisting force on an object when a pair of forces rotate away from each other

St Mary and All Saints church in Chesterfield, UK

Page 12: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Shapes

Page 13: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Bridge Structures

BeamArch

Truss

Suspension

Page 14: Engineering Structures Bridge Building. Structures Structures are anything that are built or constructed. These are things we live in, work in, learn

Bridge DesignsNot straight beams


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