Thanks for the responses all.
I've attached a couple of pictures which is perhaps the architect's inspiration. Can help others visualize the problem better since my sketches and description may not have been clear. The only difference is I am proposing purlins over the three pin arches and the...
Thanks Kootk for the detailed response and BA for your thouhts. I imagine that once the 4 points noted (2a-2d) above are resolved, you consider the overall structure stable.
I'm comfortable with the balanced condition. In the unbalanced case where you have an uplift on one side of the ring...
Thanks.
SLTA.....I'm not sure how straightforward the analysis is whether it is a circle or a square particularly with unbalanced load. Seems relatively complex and would need 3d analysis to capture the all the in and out of plane effects.
BA.....there are enough walls at the base of the roof...
Hi All,
I am reviewing a church that has a square central area that is 40'x40'. In from each corner of the square, there are hip rafters which form a peak. I am comfortable designing this with a tension ring base of the roof to handle the thrust.
The architect now wants to add a 6'x6' cupola...
