Cutting Concrete Slab

This page is part of a series of pages that consider cutting techniques used with flags or slabs if thats what you call em. To cut a trench in a concrete slab it is best to use a dedicated concrete saw to get the job done.

How To Cut Control Joints In Concrete Slab

The timing of the cut will dictate the type of blade you select.

Cutting concrete slab. Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk. Chalk is commonly used to accomplish this. The first page examined the basic principles of cutting-in.

Youll ideally run a trickle of water. Cutting a concrete slab will not prevent cracking -- the purpose of cutting is to encourage cracking in control joints where cracking wont visibly detract from the surface of the slab. This depends if you are using a wet saw which needs to wait longer to get on the slab or an early entry saw which can get on much quicker.

This page looks at how curves are cuts. The water binds the dirt and decreases the volume of airborne dust formed during the concrete cutting. Because a circular saw makes a longer cut on the top of the slab than on the bottom small cores drilled at the corners can be used to help avoid.

Cutting Concrete at the Right Time If youre placing new concrete you have the option of cutting control joints while the concrete is still green about 1 to 2 hours after finishing or the next day after the concrete has hardened. STIHL machines are available Omm enterprise Old No36New No93Rangarajapuram Main RoadKodambakkam Chennai 600024 Tamilnaduph. How to cut joints Groover tools cut joints in fresh concrete.

Use a low RPM setting when cutting through the concrete to keep the blade from overheating and throwing chunks of concrete from the surface of the slab. The actual time to get on the concrete will be determined many factors weather mix size of slab ect A very rough timeline is somewhere between 1-12 hours. Cut joints 25 of the depth of the slab.

See the menu above right or the related pages listing at the foot of this. Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is. A 4 thick slab should have joints 1 deep.

Subsequent pages consider other cut features such as notches and flagged radii. If the joint is too deep aggregate interlocking will. Small openings in existing slabs are usually core-drilled to the required diameter.

To cut big holes in concrete without hole through 7 5 concrete slab concrete core drilling is the most set a fence post in concrete driveway fine cut concrete drilling and sawing How To Cut Big Holes In Concrete Without A Hose Or Cord Core77How To Cut Big Holes In Concrete. Apply the line as thick as possible. Ensure that the saw cut depth meets the structural engineering specifications.

Once you have cleared out the slab measure and mark the trench that you will be cutting. Larger openings are cut with a circular saw or a concrete chain saw with plunge cutting capabilities. Make sure that the concrete slab is clear of all obstructions.

During the cutting concrete it is recommended to go for wet cutting because it helps to control dust. The following list details the different ways you can go about cutting concrete paver slabs to suit your needs. Slab saws come in different types ranging from small walk-behind push saws to heavy-duty riding saws.

Also known as flat sawing slab sawing is a technique used to cut flat surfaces like floors driveways and decks. For a 6-inch-thick slab that means cutting 15 to 2 inches deep. If the concrete has paint or other markings it is not necessary to remove it unless it obscures you from seeing the cutting lines.

You must know that the use of respirators is very important while cutting a concrete slab. However it does require some elbow grease and a sensible pair of safety glasses. A good rule of thumb is to cut the joints one-quarter to one-third the slab thickness.

If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools. This guide is here to serve you as sort of an instructional manual. Cut Pavers the Old Fashioned Way.

Not only will a concrete saw reduce the time and effort of cutting through the concrete but it will also help control the amount of concrete dust created.

Concrete Slab Sawing Is Efficient When Street Cuts Are Needed