ML19210D091
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| ML19210D091 | |
| Person / Time | |
|---|---|
| Site: | Hartsville  |
| Issue date: | 08/13/1979 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19210D076 | List: |
| References | |
| NCR-CEB-79-16, NUDOCS 7911200517 | |
| Download: ML19210D091 (1) | |
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HARTSVILLE NUCLEAR PLANTS A AND B NCR CEB-79-16 REPORT NO. 2 (INTERIM)
TENSILE ANCHOR CAPACITIES LOWER THAN ASSUMED IN DESIGN ALLOWABLES Description of Deficiency Progressive cracking of the heat affected zone of welded stud anchors in flexible plate connections has occurred in TVA general This results in lower tensile research and development program tests.
anchor capacities than assumed in establishing design allowables.
Interim Procress TVA has completed its testing program for welded stud anchors with flexible plate connections. The data is presently beingWe evaluated and corrective action will be taken as necessary.
anticipate transmitting the final report to the NRC on or before December 21, 1979.
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