Foundation Movement – Part III
In previous blogs, we discussed that foundation movement can be categorized into two types: foundation settlement (the most common) and foundation upheaval (the most difficult to remedy by foundation repairs). Today, I will discuss the latter: upheaval.
As a Structural Engineer, I recently represented a homeowner of a new custom home (costing about $1mm) where the foundation heaved upwards over 5” – within the first year! The slab was constructed over drilled concrete piers; which is the type of foundation I would design for myself if I ever built a new home (shoot me dead first).
The homeowner called me to check out his foundation after the builder (and his engineer) had inspected the home and told the homeowner that “it was just normal settlement” (however, it did not settle, it heaved upward). As part of my inspection, I reviewed the foundation design and determined it to…
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