The term mudjacking (mud jacking) refers to the series of processes whereby a slab of concrete is lifted using hydraulic pressure. The main purpose of lifting this slab is to force cement slurry through strategically holes in the slab to refill it.
Once the mud is pushed under the concrete slab, the spaces in the concrete slab are refilled thereby raising the concretes and leaving them void of any form of deformity. The created pressure condenses the cement slurry thus forcing out the water. Once the mixture cures, it forms a stable base for the concrete.
The formation of cracks in concrete slabs was a significant problem in the world. This led to several injuries which led to a more serious approach at finding a more efficient and cheaper solution other than the most common concrete replacement which was quite expensive and took longer before the concrete can be put into continued use.
During this time, John W. Poulter, a mechanic from Iowa State Highway Commission invented a device which would assist concrete workers to raise the pavement with the use of hydraulic pressure. The very first records to the usage of this machine took place in Burlington Iowa and were later included in a commission report dated as far back as 1930.
The machine became an invaluable possession in forcing a slurry of earth, water and Portland cement through the pre-drilled holes into the pavement. The commercial production of this item led to the creation of the mud jack or mud pump.
The use of this machine proved to be very successful in the repairing damaged concrete which replaced the traditional total overhaul of the concrete slabs. The new method cost lesser and was faster and more effective since the concrete slabs cured faster. With the recently found procedure aided by Poulter's machine, traffic was maintained on the other section of the pavement while workers focused on leveling the other section.
The use of mudjacking took a new turn and became widely spread and practiced during World War II. The US Navy Seabees started using the mudjacking procedures to maintain the condition of their runways thus, significantly reducing the time to repair runways and at a fraction of the initial cost meant for concrete replacement. This greatly assisted them to keep things running smoothly.
A more compact version of the mudjacking machine was developed after World War II. This recent achievement increased the acceptability and popularity of these machines. Thus, making them available for small-scale projects such as those involving residential buildings. Since then, the mudjacking machine has passed through several modifications to become what it is today.
Although what we have today is similar to what was obtainable in the 1950s, the recent introduction of polyurethane foam in Concrete leveling is gaining more grounds, and there is a great possibility of this new method taking over the market in the nearest future.
Conclusion
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