Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep ...

At the 2026 Block Kids Building Competition, kids were given a rock, a piece of twine, a sheet of tinfoil, legos and a one ...

In my two previous columns, I discussed the lower and intermediate levels of the building block approach for crashworthiness testing and analysis of composite structures. I focused on the commercial ...