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Building Bridges: SECME Requirements

Building Bridges: SECME Requirements. Building Bridges: Factors in Bridge Design - #1. What is the span of the bridge? Span means the length of the bridge from one side (bank) to the other – 40-50 cm in length. Building Bridges: Factors in Bridge Design - #2. What are the requirements?

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Building Bridges: SECME Requirements

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  1. Building Bridges:SECME Requirements

  2. Building Bridges:Factors in Bridge Design - #1 What is the span of the bridge? Span means the length of the bridge from one side (bank) to the other – 40-50 cm in length

  3. Building Bridges:Factors in Bridge Design - #2 What are the requirements? A block 35 cm in length and 4 cm in height must be able to pass under it 36.0 cm – 35.0 cm = 1. 0 cm (length left) 5.08 cm – 4.0 cm = 1.08 cm (underneath bridge) NO room for a substructure(underneath roadway)

  4. Building Bridges:Factors in Bridge Design - #3 What are the superstructure requirements? The superstructure (part above the roadway) – 10 cm – 20 cm in height _________ _________ 10 cm – 20 cm

  5. Building Bridges:Factors in Bridge Design - #4 What are the roadway requirements? Must have a level surface (horizontal), called a roadway, that a Matchbox car can roll across with a light push

  6. Building Bridges:Factors in Bridge Design - #5 What are the roadway requirements? Roadway’s width must be 5-10 cm 5 cm – 10 cm ----------- -----------

  7. Building Bridges:Factors in Bridge Design - #6 What are the weight requirements? Total weight of the superstructure shall not exceed 110.0 grams (*Remember wood does absorb moisture)

  8. Building Bridges:Factors in Bridge Design - #7 What are the requirements? Design must have an opening in the middle of the structure to allow for the test

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