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Innovations Using Ultra-Light Cellular Grout and High Strength, Medium Density Grout for Stabilization of Irradiated Components During Decommissioning

[+] Author Affiliations
Leonard Peterson, Danen Heath

Decommissioning & Integrated Sciences Company, LLC

Patrick Stephens

Pacific International Grout Company, Bellingham, WA

Paper No. ICEM2003-4798, pp. 1359-1365; 7 pages
doi:10.1115/ICEM2003-4798
From:
  • ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation
  • 9th ASME International Conference on Radioactive Waste Management and Environmental Remediation: Volumes 1, 2, and 3
  • Oxford, England, September 21–25, 2003
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 0-7918-3732-7 | eISBN: 0-7918-3731-9
  • Copyright © 2003 by ASME

abstract

Injection of cellular grout into tunnels, tanks, reactor vessels, embedded piping and other radioactive components stabilizes the internal contents, fills voids, and fixes loose contamination. Injection of cellular grout also significantly reduces radiation levels in the vicinity of the component. Ultralight cellular grout mix designs (25–35 lbs/ft3) have been used where weight is a critical concern. Medium density cellular grouts (60–105 lbs/ft3) with compressive strengths exceeding 3000 lbs/in2 have been used in a nuclear applications to reduce radiation levels and increase structural strength and stability. Geo-technical grout injection technology has been adapted to nuclear applications with the ability to inject special “water-absorbing” and “water-displacing” mix designs over long distances where remote injection is required.

Copyright © 2003 by ASME

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