"If you cut through a 4-inch thick concrete slab, using a professional-grade saw, it may demand approximately 45 minutes to one hour." Should you wear a mask when cutting concrete? Yes, definitely.
Most slabs-on-ground are unreinforced ... the amount of reinforcement passing through joints to ensure proper activation. Some designers specify to cut all the reinforcement at contraction joints ...
In contrast, demolition robots cut through the old concrete and easily lift a six-by-six slab of concrete without requiring any manual labor.” To remove the earlier-mentioned 10-by-3-m wall ...
Interior and exterior concrete often needs to be cut, ground or drilled for plumbing repairs, sidewalk removal, trip-hazard removal, leveling for handicap accessibility, tree root damage ...