Designing for Wind Load on a Slab-On-Ground Foundation &/OR Slab with Haunch Foundation

[oengineer]

I am working on designing a foundation for a single story building. The building is made of CMU load bearing walls. My goal is to use a Slab-on-Ground Foundation system OR a Slab with Haunch Foundation System.

For a Slab with Haunch Foundation System, I am able to calculate the size of the Haunch based on the Dead, Live, & Wind Loads acting on the building.

For the Slab-On-Ground Foundation system, (using the Wire Reinforcement Institute - Design of Slab-On-Ground Foundation _Design Guide) I do not see how to consider the effects of wind acting on the building being transferred to the foundation. Is there something that I am not seeing in the Design Guide? Should wind loads not be considered for Slab-On-Ground Foundation systems?

Should wind loads not be considered for a Slab with Haunch Foundation System supporting a Single Story CMU wall building? The wind load is effecting the overturning & width of the haunch.

Suggestions/comments are appreciated.

 

[RWW0002]

Is this project near San Antonio or Austin TX? The "waffle slab" system described in the paper you linked seems to be common in south Texas, especially in those areas due to the presence of expansive clays. I think the method proposed in the WRI paper wad developed in that area as well, and remains common locally.

Outside of south Texas the method seems to have fallen out of fashion a bit, but you do see it crop up in geotech reports from time to time for areas with highly plastic clays.

You should discuss the geotenichal requirements with the engineer who prepared the report and find out why the various systems were recommended prior to moving forward with design.

 

[hoshang]

Hi
Any thoughts would be appreciated.

 

[hoshang]

bridgebuster,
Can you explain the calculation of:
Wind parallel to x-x direction (k)= 1681.276

 

[hoshang]

Hi
Any thoughts would be appreciated.

 

[hoshang]

Attached are the calculations we did for the generator building slab.

https://files.engineering.com/getfile.aspx?folder=...

Any thoughts on my concern?

 

[hoshang]

Hi all
Should I close this thread and begin a new thread?

 

[bridgebuster]

hoshang, I'll have to look at them. I didn't do the calculations. They were done by a coworker; we were on the same project.

 

[hoshang]

hoshang, I'll have to look at them.

Thank you. I'm waiting.