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

Dear James: I’m planning a veggie garden on my sloping lot so I need a retaining wall. I have used timbers before, but blocks might hold up better. Which method do you prefer? -- Steve W. Dear Steve: ...

The need for aesthetically pleasing yet practically engineered retaining wall support design is important in, amongst other applications, the construction of commercial and retail business parks where ...