Not a Good Solution
This is not good.
Failed Piling
The subfloor is now jeopardized.
PowerBrace Beam with Smart Jacks
The solution to failing pilings is to add support using Smart Jacks and a PowerBrace Beam.
Smart Jacks from a Different Angle
Smart Jacks support sagging joists. Sagging joists can be caused by high moisture or heavy loads exceeding design specs.