DevOps Concrete stem wall

9to5civil · October 29, 2021 · 2 hits

Concrete stem wall structures are used to connect the foundation of a building to its walls. Predominantly constructed concrete footings with masonry walls, rise above the ground level to provide a raised platform for placing the building slab.

The depth of the stem walls is according to the depth of its footing, which should be 30cm below the line of undisturbed soil at least. Also, it should be protected by frost, or better, 30cm below the frost line or more.

The 7-1/2-inch-minimum thickness requirement is obviously impractical for a short concrete stem wall, as in a crawlspace foundation. Adequate strength needs to be provided and should be demonstrated by analysis in accordance with the ACI-318 design equations and the recommendations in this section.

Stem wall repairs start at $350 for small cracks and go up to $20,000 if the structure starts to crumble. Also known as basement foundations, moisture is the biggest problem with these types of structures. Water and moisture may cause the internal rebar to oxidize and expand, which would show cracks on the structure.04-Oct-2021

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