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Impact-Echo Testing of steel cable ducts for grouting quality Claus Germann Petersen, In-Situ Testing of Copenhagen Ltd

Impact-Echo Testing of steel cable ducts for grouting quality Claus Germann Petersen, In-Situ Testing of Copenhagen Ltd. DOCter Impact-Echo for Surface P-wave Speed. DOCter Impact-Echo Testing. Fully injected duct. Voided Duct. Partially Voided Duct.

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Impact-Echo Testing of steel cable ducts for grouting quality Claus Germann Petersen, In-Situ Testing of Copenhagen Ltd

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  1. Impact-Echo Testing of steel cable ducts for grouting quality Claus Germann Petersen, In-Situ Testing of Copenhagen Ltd.

  2. DOCter Impact-Echo for Surface P-wave Speed

  3. DOCter Impact-Echo Testing

  4. Fully injected duct

  5. Voided Duct

  6. Partially Voided Duct

  7. 45 cable ducts were tested in three days 12 ducts were found to be voided Voided ducts were confirmed voided by endoscope IE could not detect the injection quality during injection Proper homework and pilot testing are essential IE has to be done within the duct diameter Duct Depth / Diameter relationship < 3 times CONCLUSIONS

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