Rubblization
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Rubblization
A hydraulic breaker creates concrete rubble.

Rubblization is a construction and engineering technique that involves saving time and transportation costs by reducing existing concrete into rubble at its current location rather than hauling it to another location. Rubblization has two primary applications: creating a base for new roadways and decommissioning nuclear power plants.

Road Construction

In road construction, a worn-out Portland cement concrete can be rubblized and then overlaid with a new surface, usually asphalt concrete. Specialized equipment breaks up the old roadway into small pieces to make a base for new pavement. This saves the expense of transporting the old pavement to a disposal site, and purchasing/transporting new base materials for the replacement paving.[1] The result is a smoother pavement surface than would be obtained if a layer of asphalt were to be applied to the unbroken concrete surface.[2] The technique has been used on roads since the late 1990s, and is also being used for concrete airport runways.[3]

The rubblizing process provides many benefits versus other methods of road rehabilitation, such as crack and seat or removal and replacement of a concrete surface including: rubblizing a concrete surface is 52% less expensive than remove and replacing concrete; rubblizing reduces road reconstruction time, from days of lane closures to hours, providing large savings to contractors and reduced impact on travelling public; and rubblization is an environmentally friendly "green" process.,[4][5]

Nuclear Power Plants

In nuclear energy regulation, "Rubblization" refers to a method for decommissioning a nuclear power plant. As with other decommissioning techniques, all equipment from buildings is removed and the surfaces are decontaminated. The difference with rubblization is that above-grade structures, including the concrete containment building, are demolished into rubble and buried in the structure's foundation below ground. The site surface is then covered, regraded, and landscaped for unrestricted use. This saves the expense of removing and transporting the building pieces to a different site.[6]

External links

  • Rathmann, Chuck (January 2000). "A Recipe for Rubblization". Road & Bridges. Retrieved .
  • Wisconsin Department of Transportation (November 18, 2009). "Facilities Development Manual: Concrete Pavement Rubblization" (PDF). Retrieved .
  • ConstructionEquipmentGuide.com (October 8, 2008). "Brasfield & Gorrie Rubblizes Tight Deadline on I-65". Retrieved .
  • Newcomb, Dave (July-August 2008). "Rubblization: A Way to Save Time, Money, and Resources" (Flash). Hot Mix Asphalt Technology. 13 (4): 12-16. Retrieved .
  • Decker, Dale (2006). Rubblization (IS-132). Lanham, Maryland: National Asphalt Pavement Association.

References

  1. ^ "Largest Ever Rubblization & Asphalt Overlay Project a Great Success". December 21, 2005. Retrieved .
  2. ^ "Rubblization and Perpetual Pavement Save Money and Resources" (PDF), National Symposium on HMA Energy and Recycling, Austin, Texas, 22-23 Oct 2007, retrieved
  3. ^ Buncher, Mark & Jones, H Wayne (January 2006). "Rubblization of Airfield Pavements: State of the Practice". Transportation Research Circular (E-C087). Retrieved .
  4. ^ "RMI Worldwide LLC is a Provider of Concrete Rubblizing and Concrete Breaking Services and Equipment". January 22, 2008. Retrieved .
  5. ^ Newcomb, Dave (July-August 2008). "Rubblization: A Way to Save Time, Money, and Resources" (Flash). Hot Mix Asphalt Technology. 13 (4): 12-16. Retrieved .
  6. ^ Nuclear Regulatory Commission. "Glossary". Retrieved .

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Rubblization
 



 



 
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