1

The picture below shows a retaining wall. It was hard to take a picture from a good angle, but it looks to me like the wall is showing a "belly" and the seams are opening up. But I'm not sure: perhaps it was built with these bulges. There's a lot of cement in this wall.

This wall in a Philadelphia suburb and it supports a patio on a very steep decline.

But I do hope that the experts here are able to assess from this picture!

enter image description here

closed as off-topic by Tyson, ThreePhaseEel, fixer1234, Daniel Griscom, Machavity Sep 22 '18 at 15:01

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Not enough information was provided to answer this question accurately. Please include the make and model of all devices and equipment, photos, diagrams, drawings, and any other information that might help people provide an accurate answer." – Tyson, fixer1234, Daniel Griscom, Machavity
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  • From that picture it’s impossible to answer your question. Simply not enough information to access. – Tyson Sep 20 '18 at 12:50
4

The wall may have been built that way but I doubt it, the wall may have shifted over the years and is stable now.

The only way to know is to drop a plumb bob from the upper decking just in front of the wall and measure the gap at top middle and bottom. Mark the spot or leave a nail or screw in that location and Mark the wall at the 3 points so you can measure again at a later date. If the wall is stable you will see no change in the measurements.

I would not expect to see any movement in a year, but probably would recheck a week after a big storm. There looks to be a drain but water may have caused the shift or belly in the past, prior to everything settling, and now the wall is stable.

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