Wire sawing uses a steel cable with diamond impregnated beads strung
onto it.
As the wire is turned and pulled, it cuts the concrete and rebar.
If the wire cannot be simply wrapped around the concrete to be cut,
a hole can be cored for the wire to pass through the object.
Click to enlarge the pictures

Cupertino, CA Cement Plant

LSU Stadium Baton Rouge, LA

Luke, MD Paper Mill

New London, CT Dock Demo
Port of Houston