Although not the strongest part of the roof, it should be strong enough?
Anchored on the ground so close to the yurt wall, it will hold the yurt "down", but for holding the yurt against lateral wind forces the resulting vertical component on the anchor will be huge, trying to rip it out of the ground.
The lateral wind forces on a stretch six in a 75 mph wind can range from 900 lbs. to 1800 lbs..
http://eplaya.burningman.org/viewtopic. ... 76#p955753
With an appropriate anchor, it should be fine.
I do have some concern with the placement of the doors with that hexayurt layout.
The layout of the yurts is surprisingly similar to some layouts tried for having
fixed structures arranged to provide the concentration of ambient winds for maximum channeled velocity and pressure for powering ground-level wind turbines. Depending on the wind direction, some poor bastard is going to get maximum pressure right at their door. As the wind changes direction, you'll be taking turns. If you get a good blow and it forces the door open, that concentrated pressure will pressurize the interior and try to blow the walls out. Hope you're using the good bi-filament tape.
For less wind pressure on the doors, a better layout might be to have the doors where the red is. Or even on an end as in the green.
If the hexayurts panels are already made with the doors cut, you could reverse the direction of the "wheel" to get the doors to the equivalent "red" position.
hexayurt layout.png
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Hummpfhhh....
