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What are Concrete Mixers?

9/30/2013 12:48:01 PM | by Anonymous

Concrete Mixers

Concrete Mixers could be a hopped-up device that mixes cement with water and combination, of sand or pea gravel to form concrete. Concrete mixers vary from the terribly massive industrial mix truck to the smaller, moveable cement mixer generally known as a “mini mixer”. A concrete mixer comprises primarily of a motor, a rotating drum, and infrequently a chute. Within the drum, the materials accustomed build concrete gyrate, mix along equally and remaining soft for application and forming. For small volumes of concrete to be mixed, portable concrete mixers are used so that the concrete can be made at the construction sites. This gives workers ample time to use the concrete before it hardens. An alternative would be mixing by hand usually done in a wheelbarrow. However, several companies have begun to sell tarps for this particular purpose.


Concrete is commonly used for building foundations. If it is mixed incorrectly, there will be a high risk of developing cracks and weakening the structure of the entire building. Thus, a solid foundation would involve precise measurements as well as the correct mixing consistency. Several items needed for the mixture are cement, sand, aggregate, cloth tarps and measuring bucket. All of which can be purchased from a hardware store. It is recommended to use a cement mixer as it does a more thorough job as compared to mixing by hand. Mixing the concrete involves the proper blend of aggregate, sand and cement. It also involves a precise amount of water to be added. The amount of water added should equal to fifty five percent of the total amount used. With the adequate amount of water added, the consistency of the concrete should be similar to the pancake batter. Most importantly, the concrete cannot be too thick or thin as it threatens the foundation.


One way to test to see if the concrete is of the proper consistency after mixing would be the slump test. Slump tests is conducted by positioning a slump cone on a level surface and filling it with the concrete mix, ensure that air bubbles are removed. Lift off the slump cone and see if the concrete slumps. If the concrete slumps, it is of proper consistency. If more or less, the water level needs to be adjusted.


Commercial concrete mixer trucks are used for the transportation and mixing of large volumes of concrete to be used on a building site. Smaller volumes of concrete typically up to two cubic yards would only need a portable concrete mixer to suffice. A portable concrete mixer is powered by electricity and is positioned at the base with wheels for transportation. The rotating drums are then tilted down so that the concrete mixed can be poured onto wheelbarrows for use.


Homeowners can also attempt small concrete projects like sidewalk repair, patio, and small slab. The portable concrete mixer is crucial to help maximize the efficiency. The concrete mixer does not serve as a store to keep the concrete ready for use. It is important to understand how much concrete to be poured and utilized within a time frame. Different types of concretes have different setting times, some sets faster whereas others set slower. Thus, always check with the manufacturer’s directions.


Large projects with applying concrete to driveways or basketball court would require a commercial truck. Commercial concrete mixers would require access to close distances of the project. The pricing of concrete is by the flat rate per cubic yard ordered. The truck will remain on site for a specified period of time and calling a concrete company only secures the delivery of concrete. Large projects would require professionals to complete the job within the time frame stated. Before contacting a concrete company, always have finishers on site and ready to pour the concrete. Lastly, don’t forget the law regulations and ensure that all permits have been obtained before starting on the project.

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