ML19273B427
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| ML19273B427 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 03/14/1979 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19273B425 | List: |
| References | |
| NUDOCS 7904060346 | |
| Download: ML19273B427 (1) | |
Text
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ENCLOSURE SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 TENSILE ANCHOR CAPACITIES LOWER THAN ASSUMED IN DESIGN ALLOWABLES NCR CEB 79-5 FIRST INTERIM REPORT Description of Deficiency Progressive cracking of the heat affected zone of welded stud anchors in flexible plate connections has occurred in TVA general research and development program tests.
This results in lower tensile anchor capacities than assumed in establishing design allowables.
Interim Progress TVA is in the process of testing this particular type of plate connection.
% detailed analysis of the testing will be forwarded when all tests have been completed.
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