Bob wrote:One thing I notice from your pics -- it's not apparent how you plan on anchoring this thing to the ground to prevent toppling over due to wind or climbing loads, or how the main pole is stabilized.
Bob wrote:Ditto what Iso said, but I'd also suggest you first try to contact others who've recently built tall crap at Burning Man and ask who they've consulted, if anyone.
TomServo wrote:The base of this project is quite large, and spread out...I think it would take a massive windgust to topple the sun dial.
capjbadger wrote:TomServo wrote:The base of this project is quite large, and spread out...I think it would take a massive windgust to topple the sun dial.
Well then you've come to the right place! ;)
Bob wrote:Well, fuck, what could *possibly* go wrong if you don't anticipate dynamic loads instead of just a bunch of meek hippie static loads on the deck? Everybody is asked to anchor their fucking structures. Anchor your fucking structure. Stuff blows over on the playa. Maybe you need to talk to a rigger or carpenter, not an engineer.
Dustdevil wrote:I no longer remember the figures for the load on the Oil Derrick. We did use cables and huge concrete cubes that each leg of the tower was attached to. In the strongest wind there was absolutely no swaying of the tower. The structure was designed to hold 200 people on the platform and another 200 people on the stairs. The structure weighed in at 54,000 pounds.
Bob wrote:Like I said, talk to a pro, and good luck with that attitude. Hope you don't want an engineer or whomever just to bolster your own ego.
The website, renderings and photos don't show what you're using for connections, so there's no way to judge what's holding the thing together, regardless of what's pinning it to the ground to prevent it from translating horizontally or toppling over. In my experience, the first thing the org looks at is some king of anchoring, so you might want to pay some attention to that. Or not. It's been a few years since I've reviewed structures for the org, maybe they don't give a shit about cock-eyed paperweights anymore.
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