To aid in breaking up the concrete use a spud bar in conjunction with the jackhammer.
Cheap ways to break up concrete.
Move the concrete chunks with a hand truck.
For slabs less than four inches thick use a sledgehammer.
It can cut clean lines or remove the surface as deeply as desired.
A sledge can be surprisingly effective in breaking up concrete up to about 4 in.
The water is directed at the concrete at 20 000 psi and 10 to 15 gallons per minute for handheld guns.
To break up concrete start by covering the concrete with a plastic sheet to protect nearby items from flying debris.
Jam the flat end of the spud bar into the cracks formed by the jackhammer firmly grip the handle with both hands and use leverage to pry chunks of concrete from the pad for removal.
For more than four inches thick use a demolition hammer.
Dig about 1 foot inward.
Pry off stubborn pieces.
Breaking stone or concrete this way is clean quiet safe controllable and relatively inexpensive.
Holes drilled in the concrete.
Dig out the soil gravel or other material from under the concrete using a shovel and a pickax.
Hydrodemolition is done with various devices from handheld guns to robotic equipment.
If the concrete is too thick to break up with a sledgehammer you can use an electric jackhammer instead.
Over the next 24 hours the agent expands with about 18 000 lb.
These chemical powders are mixed with water and poured into 1 1 2 in to 2 in dia.
For thin slabs of concrete use a sledgehammer to break it up.
Start to break the concrete starting six inches from the edge and working your way in.