ML19249A200
| ML19249A200 | |
| Person / Time | |
|---|---|
| Issue date: | 11/29/1978 |
| From: | Lipirski R Office of Nuclear Reactor Regulation |
| To: | Holland E AMERICAN CONCRETE INSTITUTE |
| Shared Package | |
| ML19249A194 | List: |
| References | |
| NUDOCS 7908210172 | |
| Download: ML19249A200 (1) | |
Text
'k RTTkcHMadT 0
,. g 3
g 3 919" Str. Espas p. Es11aed. Ostruen
~
ACI Standard:Sv11 ding code raments ftr Beinfbread Cheersta (
Wiesibger-Ms11and Ltd.
32 West Randolph Street Ofcago, it G0601 Seer Mr. Es11end:
Rafarence is unde to the Secticas 9.2.4 and 9.2.5 of the Cons which deal with the latsral pewssure and the sortical pressare due to liquids. The way it is writtaa. it is opsa to safious interpretattees:
a) It is not cicer whether ground antar castatand in the soil below untar table shoold be caasidered as a *11guid' and be incloded to the dead lead and la computaties of bending useent be assiped a land finctar of 1.4 er be esasidered as a part of seit pressare (I), and therefbre. he assigned a lead factar of 1.7.
b) It is est clear whethcr the statament: " Vertical liquid pressure shoold be esasidered as dead lead 8"...*'refhrs only to liquid la a taak er to the untar fa the soil as well and, therefore, what lead fheters steeld be assigned la the caleslatina of soments des to hoo M 9petes. In short, it is est clear a6 ether satrsurface e
unter is part of thu asil er steg14 he treated as 11gsids as if it were contained is a task.
asArtamately, the Commentary does set prwide av sridance en the sa6 ject. Beeld yes plansa present ey faquiry to the Cousittee and
.preiride as with an appropriata amplanation.
b.
sincerely.
y
.. _ g samus1d t. Ltyinsti 4
servetarol gartnestias sranch J
]-
~ 9fvisian of systems safety
^
W.
4s
- @ g7 }3 3
4 i
-=.2.
N s
3.
,ss. m N3 41.ipfsski:sh
[
b j_
Ti/ 778
'" e
'#90BFIl0I7M t
m
.