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  1. Jean G

    buttressing a retaining wall

    Yes, I considered that. The buttresses would be 3 ft wide and 15 ft O.C., so 12 feet of wall between each one. The wall is mortared, not dry stone. Currently it is relatively plumb at each end, then, as viewed at the top along the length of wall, it is bowing out to a maximum point at mid span...
  2. Jean G

    buttressing a retaining wall

    If I design the buttress as a cantilevered beam I would go with reinforced concrete. I would design the beam to resist the overturning moment. Then tie it into the footing. The footing would be designed to resist the overturning moment and sized as needed for soil stress.
  3. Jean G

    buttressing a retaining wall

    I am designing repairs for a 6 ft tall stone retaining wall about 120 feet long that is pitching over. The plan is to stabilize with a series of masonry buttresses. Normally I size buttresses based on their mass to resist overturning moment. Wondering if I can reduce their size by designing them...
  4. Jean G

    Concrete underpinning rubble wall

    I have been hired to repair the party wall of a 100 year old brick mass one story commercial building that was damaged due to underpinning construction below the stone footing. Damage is at the front corner and appears to be due to vibration from the underpinning; not footing movement. The...

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