Domed Roof

[SKJ25POL]

I am desparately looking for an exzmple of domed roof
Anyone has any?
(mainly application of wind on it)

Thanks

 

[Archie264]

Do a search for planetariums and observatories.

The book Kootk referred us to, "The Stone Skeleton", has a chapter on domed roofs but it's geared towards the mechanics of them as constructed with compression-only material (stone & masonry), not about their wind load response.

 

[Ron]

Older versions of ASCE 7 had a clearer procedure for domes and arches.

 

[SKJ25POL]

Ron (Structural,
May I ask what version specifically? Do you have it by the chance?

 

[WARose]

What kind of diameter are we talking (for the roof)?

 

[jike]

There are many different kinds of domes (geodesic, ribbed (Schwedler), lamella, etc.) and materials (concrete, steel, timber). There are multiple sources, not just one.

 

[Ron]

SKJ25POL...I have every version produced; however, they are under copyright protection so I can't post here. I will post the specific table for domes/arches so that you get an idea of the process....posting a partial reference piece with citation does not violate copyright. Will post tomorrow when I have a chance to scan the page.

 

[SKJ25POL]

Ron (Structural), thank you.
I do have ASCE 7-02 and 7-05. I was asking the version you said is more clearer on domed roofs.

Also jike (Structural) I did not know there are different domed roofs but i guess the wind loading will be same for all, doen't it?

Thank you for your helps

 

[jike]

If the dome configuration is the same, I would expect the wind loads to be the same. Note that domes have different spring lines and different heights to the spring line and the peak (and of course spans).

I recall there was a very good article in AISC Engineering Journal about loads and forces on ribbed domes. I am guessing the publication may have been in the 60's, 70's or 80's.

 

[Ron]

SKJ.....look at ASCE 7-95, 7-93 and 7-88. You can also check ANSI A58.1

 

[SKJ25POL]

jike (Structural), I would greatly appreciate if you recall the name or title of article. I really appreciate it.

Ron (Structural), I don't have those versions. If you have and if is possible to just attach the domed roof part/example I really appreciate it.

Thank you both.

 

[jike]

I no longer have access to this information. I am retired and I have passed on all this info to my younger colleagues.

I suggest getting an index of AISC Engineering Journals to look thru.

 

[PSEPK]

Did you check Example 11 in Section 3.9 of the 'Guide to the Use of the Wind Load Provisions of ASCE 7-02' by Mehta & Delahay?

Calculation of design wind pressure on domed roofs, is also explained in the Numerical Example 5.2.3 of the Wind Design Guide to ASCE 7-10 by Emil Simiu.