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Step 7Add MORE supports
I added angled supports across the bottom to start with, to hold it together, then across the top.
Keeping in mind the idea that triangles are strong, I added some center supports going across as well as up and down.
Keeping in mind the idea that triangles are strong, I added some center supports going across as well as up and down.
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Nov 8, 2010. 9:21 PMGarrett Boon
says:
The X's would have been more useful on the top of the bridge. Because the top chords are under compression, and they try to bend and will eventually buckle. The bottom chords are in tension, being pulled apart. While wood does eventually try to twist when under extreme tension, all you really need is straight pieces connecting the bottom. The X's would have helped more to be on the top. http://www.garrettsbridges.com/design/lateral-bracing/
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