| Pros of a beam bridge?

Pros of a beam bridge?

Damien asked:


In Physics we had to build a popscicle stick bridge. I allowed my partner to build the bridge and we agreed that i would write the paper. Well he made a beam bridge and i am supposed to support the beam bridge with historical or engineering imformation. What im getting at is what pros does a beam bridge have in the case of a popscicle stick bridge meant to support as much weight as possible

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Comments

2 Responses to “Pros of a beam bridge?”

  1. tinkertailorcandlestickmaker on April 5th, 2009 3:54 pm

    I’d think the main advantage of a beam bridge is its simplicity for the cases where it can be used. (usually relatively short spans)
    In your case I’m not so sure a beam does really have an advantage, since the requirement stated is “support as much weight as possible”, and not simplicity.

  2. Nigel M on April 7th, 2009 6:03 am

    It is cheap, simple, fast to construct, easy to maintain.

    Truss - more expensive, much stronger for the amount of material used, requires maintenance and regular inspection.