Originally Posted By: wpedley
This post was automatically imported from our archived forum.
Like Kevin said If it doesn’t have a “control Joint” made for it(zip strip or sawed joint),and this wasn’t installed, then yes the floor will crack at the point of least resistance. Could be a number of reasons from under-tamped soil,improper amount of stone,etc., you just can’t tell. Just report what you see and call for further monitoring.
From what I can see from the pics there doesn't seem to be any
"installed" control joints in this floor.
Inspecting for the unexpected