Day 2 – Design Development

On this day we researched more bridge designs and came up with a rough design for our bridge which was an L shape cable suspension bridge which spanned from Lewes Road across to the barracks, with a ramp leading to Cockcroft. We established that this was a good idea but was a bit excessive, so we decided to refine it.

We also researched different specifications our bridge would need to be, for example i established that it needed to be 5.1m above the road, so as a group we decided to give the bridge a height of 6m.

I also established that the width needed to be a minimum of 5 meters to incorporate pedestrians and cyclists going both ways. (2 meters for pedestrians, 3 meters for cyclists. So we incorporated this into our design as well.

We then printed out a digimap of the site so we could build our bridge on this. We had a few problems with the scaling of the map, but after some determination and trial and error we found the right scale, printed out the map and stuck it to our base board.

The final outcome of the day was deciding on the supporting structure for the bridge. We decided on a column structure with a support for the ramps.

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