Hydrostatic pressure builds behind walls when drainage is poor, pushing even strong structures out of plumb
https://privatebin.net/?45cb9e04bae6bef1#G3L1xVE6DPnLikPKzKAK1WMsULXhP3HoK9bBC7bHQWx2
Hydrostatic pressure builds behind walls when drainage is poor, pushing even strong structures out of plumb. Gravel backfill, perforated drains, weep holes, and geotextiles are critical to stop water from toppling walls.