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This design is almost like a puzzle.  Once it is printed out, the parts of it will fit into each other, creating a sturdy safe truss.

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Login / Signin to Onshape - the modern CAD system used by thousands of companies worldwide.

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In this scenario, the problem is that there is no way to get from the Alumni Building to the Wade Building without inconveniently going outside.

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We then chose precise values for the width of the bridge and its height. We solidified the design of the bridge and all of its requirements. As of now, we are definitely ready to construct the bridge and can't wait to move onto the next steps of creating and testing prototypes of the bridge and then improving the bridge prototypes.

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Adv:  Eco-friendly (not many materials),  strong, can be in any location

Dis:  Complex design, require maintenance, if one aspect of the bridge is messed up, the whole bridge will be immediately messed up

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Some types of truss bridges include Warren Truss, Howe Truss, Burr Truss, etc (see below).

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The strongest type of truss is a Howe Truss, due to its strong diagonal base (see below).  It minimizes the maximum compression force the most.

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Create a enclosed bridge connecting the two buildings that is both wheelchair accessible and eco-friendly.

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We then researched ways in which the bridge could be eco-friendly and wheelchair accessible.  We found that the most eco-friendly building material was aluminum, for it is 100% recyclable.  We concluded that we would use aluminum for this reason and then started working on the wheelchair accessible component to the bridge.  By having the bridge be tangent to the ground, wheelchair users could easily go through it.  Further, by designing the bridge as a wide enclosed truss bridge, there would be plenty of space for wheelchair users to move around, making it the perfect fit for everyone. We obtained this information by doing research of wheelchair accessible bridges.

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A diagonal/triangular framework which acts as a support system (see bridge below).  They can support bridges, roofs, and other architectural structures.  A truss is very strong because it can resist a large load in tension/compression due to its diagonal/triangular support system.  Truss bridges in particular have an extremely high strength to weight ratio, making it extremely strong.

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https://thenextgalaxy.com/advantages-and-disadvantages-of-truss-bridges/

https://digitalcommons.murraystate.edu/cgi/viewcontent.cgi?article=1164&context=postersatthecapitol#:~:text=In%20this%20experiment%20we%20have,the%20Pratt%20and%20Howe%20design.&text=Through%20our%20experiment%20it%20was,force%20was%20the%20Howe%20Bridge.

https://ojhsbridges.weebly.com/truss-bridges.html

https://www.dictionary.com/browse/truss

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In this step, we really thought about all of the components of our imagined bridge. We thought about its dimensions, its weight, and its weather resistance. We pitched different widths of the bridge that would take into account wheelchair users and different heights that would give people a more spacious walking experience.