Wind Load when Fireproofing is added in specification

Offline Dave Jason Narca over 7 years ago

Hi,

I have a question regarding Wind definition if a member is defined with fireproofing in specification,

When I calculated the value of intensity to be applied in the member, I noticed that the loads derived was still from un-fireproofed width normal to the wind direction even though I already added a 50mm thickness and fireproofing type is block.

Is there anyway to consider the fireproofed members added thickness if I will be using Wind definition?

Thanks

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Offline Tank Thu, Apr 20 2017 4:01 PM in reply to Sye +1

Sye, it would be very nice if STAAD would consider the increase in area due to fireproofing for wind loads. It seems like that shouldn't be too difficult to program. This is something I ran into all the…

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0 Offline Sye Wed, Apr 19 2017 9:23 PM
The weight due to the fireproofing material is included as part of the selfweight but wind load generation does not account for the fireproofing. You may have to magnify the generated wind load by a certain factor to approximately account for such effects.
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0 Offline Tank Thu, Apr 20 2017 4:01 PM in reply to Sye
Sye, it would be very nice if STAAD would consider the increase in area due to fireproofing for wind loads. It seems like that shouldn't be too difficult to program. This is something I ran into all the time in my former life designing pipe racks. Usually, just the lower levels are fireproofed so you can't just apply a blanket increase to the entire wind load. Also, the fireproofing is usually the same thickness every where but members have different depths so one ratio to increase the area didn't work for all.

I'm really surprised the big EPC's down here in Houston haven't made a big stink about this because it's very inconvenient. I remember I had a work around that wasn't perfect but it got the job done with too much fuss. I can't remember exactly what it was. I suspect a lot of people are just not realizing it doesn't do this.
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0 Offline Sye Thu, Apr 20 2017 6:15 PM in reply to Tank
Tank: I agree it would be a useful feature to have. Enhancement request# 254112 is already logged in our system. I will send a reminder to our product manager so that this can be reviewed and considered for future development.
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0 Offline TEADJR Sat, Jun 20 2020 9:44 AM in reply to Sye

Hi Sye, any updates regading this enhancement?

Regards.
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0 Offline Carlos Aguera Mon, Jun 22 2020 12:48 PM in reply to TEADJR
We do get a regular influx of requests for enhancements and do need to consider all requests to provide the most value to the most STAAD.Pro users. We have recently added a new Ideas section to the site here as a location where all our users can post requests and we provide a voting system so that you can vote for or against these ideas. This is by no means a guarantee to have an idea added to the program, but hopefully should provide a method to gain a wider sense of value and help in providing a more general feedback.
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0 Offline Carlos Aguera Mon, Jun 22 2020 12:48 PM in reply to TEADJR
We do get a regular influx of requests for enhancements and do need to consider all requests to provide the most value to the most STAAD.Pro users. We have recently added a new Ideas section to the site here as a location where all our users can post requests and we provide a voting system so that you can vote for or against these ideas. This is by no means a guarantee to have an idea added to the program, but hopefully should provide a method to gain a wider sense of value and help in providing a more general feedback.
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