Every retaining wall should have them. And yes, you can add them retroactively—drill them into an existing concrete, stone or brick wall using a core drill and drill bit, which you can often rent at ...

We noticed that many of the properties had bulging retaining walls. We learned that it was due to the area’s geology and soil composition, and unfortunately, it made many homes undesirable. A local ...

ACI CODE-318-25: Building Code Requirements for Structural Concrete and Commentary is now available in print with updates.