| I have a curving 50 ft long retaining wall to build. I did measurements, and I expect the wall to be about 3 ' from grade, with a small section creeping slightly over to about 3'6". There will be a slight slope downhill of the wall, though I will try to excavate at least a 12" flat "section" ahead of the front.
I'm torn between dry laid field stone or Segmented concrete block. This height seems to be close to the edge for dry laid, especially since this will be my first dry-laid project. I've built several timber retaining walls in the past. What is the most reliable method for a 1st timer? Appears I can get segmented concrete block for about $2000, which is more than I want to pay, so I'm leaning towards fieldstone. Looks are not critical since it's at the bottom of our rather deep backyard, but I much prefer the look of the stone.
My plan is to do stone, and compensate with an 18"X 18" deep trench filled with 12" quarry process, and put a full 6" of the first course (or 2) below grade. Planning on 18" base wall depth with 3"/ft batter, and some long stone "tie ins" about every 4 ft on each course. My whole backyard is sloped and drains well, so there are no unusual hydrostatic issues. I will take my time, but also recognize that I'm very far from a skilled mason. Should I do this, or punt and spend the extra money on the manmade concrete system?
If concrete system, any recommendations on most economical choice? Looks aren't critical, but ease of installation is. Appreciate any tips on which way to go.
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