Grout performance in support of in situ grouting of the TH4 tank sludge
- ORNL
The cold demonstration test proved that less water was required to pump the in situ grout formulation than had been previously tested in the laboratory. The previous in situ grout formulation was restandardized with the same relative amounts of dry blend ingredients, albeit adding a fluidized admixture, but specifying less water for the slurry mix that must by pumped through the nozzles at high pressure. Also, the target GAAT tank for demonstrating this is situ grouting technique has been shifted to Tank TH4. A chemical surrogate sludge for TH4 was developed and tested in the laboratory, meeting expectations for leach resistance and strenght at 35 wt % sludge loading. It addition, a sample of hot TH4 sludge was also tested at 35 wt % sludge loading and proved to have superior strength and leach resistance compared with the surrogate test.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
- Sponsoring Organization:
- USDOE Office of Energy Research (ER)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 6655
- Report Number(s):
- ORNL/TM-13739; ON: DE00006655
- Country of Publication:
- United States
- Language:
- English
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