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{"id":4761,"date":"2022-07-27T17:19:51","date_gmt":"2022-07-27T14:19:51","guid":{"rendered":"https:\/\/powermentools.com\/?p=4761"},"modified":"2022-07-27T17:19:51","modified_gmt":"2022-07-27T14:19:51","slug":"how-to-cut-concrete-with-rebar","status":"publish","type":"post","link":"https:\/\/powermentools.com\/how-to-cut-concrete-with-rebar\/","title":{"rendered":"How to Cut Concrete With Rebar: Detailed Explanation"},"content":{"rendered":"In the construction industry, it is often necessary to make an opening in a monolithic concrete structure. Reinforced concrete has a different strength than normal concrete, so it must be cut in a different way using different tools.
\nEach method and tool has its pros and cons, so the choice depends on the capabilities and desire of the owner of the object. There is equipment for manual cutting and heavy units for a large production process.<\/p>\n
Here’s how to cut reinforced concrete:<\/strong><\/p>\n
<\/p>\n
Often during repairs, builders are faced with the need to make an opening in the concrete. But it happens that this concrete is not usual, but reinforced. Ordinary tools will not be able to cope with such concrete, moreover, it can be dangerous. For example, an ordinary disk grinder collided with the armature can break into pieces, which is very dangerous. To cut such concrete you need to use special nozzles and special tools.<\/p>\n
When cutting reinforced concrete, certain safety rules must be followed. Personal protective equipment should be used:<\/p>\n
Don’t neglect personal protective equipment, so you can minimize the harmful effects of cutting reinforced concrete and prevent possible injuries.<\/p>\n
<\/p>\n
An angle grinder for cutting concrete has replaceable discs that are attached to the machine with a screw device. The construction market offers a wide range of equipment of different sizes and capacities.<\/p>\n
The handheld cutter is easy to move from place to place and cut in hard-to-reach places. The disadvantages of such a device include the application of great effort by workers, which reduces the volume and time of the uninterrupted process.<\/p>\n
A wall saw is another tool for cutting concrete equipped with a diamond disc. The machine consists of a motor, a hydraulic pumping station, guide rails (for vertical and horizontal fixation), a cutting disc (over 9,8 inches in diameter), and a control panel.<\/p>\n
<\/p>\n
Machines of this type provide a higher quality of cutting. In addition, the unit has the following advantages:<\/p>\n
The disadvantages it is worth highlighting:<\/p>\n
For cutting horizontal concrete floor slabs, and creating expansion joints and openings, joint cutters are often used. Joint cutters consist of a metal frame on wheels, a motor, and a cutting wheel.
\nJoint cutters can be:<\/p>\n
Among the advantages of this equipment is the ability to cut thick surfaces with minimal vibration. Among the disadvantages are the high cost and the possibility of processing only horizontal surfaces.<\/p>\n
<\/p>\n
Wire rope cutting machines are available with both hydraulic and electric drives. Machines of this type are also equipped with oil stations, rope stands, rollers, and cooling systems.<\/p>\n
Rope cutting of concrete is used for dismantling large constructions (bridges, piers, columns, and much more). Such a specialized cutter can make holes up to 19.7 inches deep. The cuts are made in any direction.
\nThe main cutting element in such machines is a special rope coated with diamond spraying.<\/p>\n
This type of equipment is considered expensive and difficult to work with, that is why rope cutting machines are used for various works (dismantling, cutting reinforced concrete<\/a>, blocks and pipes) on large construction sites.<\/p>\n
Gasoline or compressed air-powered concrete chainsaw is often used for hand sawing concrete. This lightweight and accessible tool does not require any special skills, so it is best suited for construction work performed with your own hands.<\/p>\n
A chainsaw differs from a chainsaw for wood in that it has a more complex bar, which is equipped with special channels for water supply (which makes it possible to cut concrete without dust) and a diamond chain.<\/p>\n
Such cutting equipment allows you to make cuts up to 11.8-15.8 cm deep, and the unit rotates 90 degrees, which is very convenient for creating niches, apertures, and other holes in the concrete.<\/p>\n
In order to cut reinforced concrete structures, it is recommended to buy products with notches for normal concrete and without notches if you plan to cut reinforced concrete structures because the protruding elements of the disk will cling to the reinforcement.<\/p>\n
<\/p>\n
Concrete cutting is done by punching, drilling, crushing, and grinding. There are two methods according to the way the work is done:<\/p>\n
Dry. In this case, the work is carried out with breaks, which are necessary for the equipment to cool down. In addition, when dry cutting concrete walls will have to use a special vacuum cleaner or wait until the dust settles (because of the amount of dust you, elementary, do not see the place of cutting). Another disadvantage of this method is the small depth to which you can immerse the cutting unit. Because of the strong side friction, the disk will get very hot and fail faster.<\/p>\n
Wet. This dustless method of cutting is considered the most proper and less time-consuming because you don’t have to wait for the equipment to cool down. Water flowing on the cutting wheel performs several functions at once: it cools the cutting tool and “nails” the dust.<\/p>\n
After preparing and checking the equipment, follow a few simple steps:<\/p>\n