ML19275B252
| ML19275B252 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 12/22/1967 |
| From: | Deyoung R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Boyd R US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7911110131 | |
| Download: ML19275B252 (4) | |
Text
{{#Wiki_filter:. R. 3. boyd, Assistant Directer for Reacter Frojects TaitU:
- 3. Levine, Assistant Director for,
Reactor Technolog, Divisien of F.cacter Licensin:; .'.. C. DeYounr,, Ch12f Containnent & Ccmponent Technolegv Oranch, C L CO:.* TAI.'i!"i';T FI?CET I'OP..ETRCTCLITA'; CIS C ! d -k f DRL:C5CTZ,: rdD RT-233 Attaclied is a report on the containment vessel proposed for Metrctolita-2dison Cocipany's Three Mile Island Unit I. This recort is based on N. 'd. Davison's review of the submicted PSA"a and Ancnduunts 1 throu?,h 4, telephone Conversations With Don CroneburRer of Oilbert Associates, and his attencance at portions of the applicant presentations to the staff.
Attachment:
Report cc: C. C. Long, DRL
- 3. K. Grimes, DRL N. H. Davison, DRL bec:
S. Levine, DRL R. C. DeYoung, DRL Distribution: Suppl. DRL Readinz AD/RT Reading CSCT3 Reading 7911110/ 3/ /9 cmcr > CSCTS:DRL. AD/RT DEL I C&CT3:DRL i ..L NHDavisen: ewe RCDeYeung Stevine /f suncut > j DATE>I.12". ~0 7 '.12.,.b 7 - 12. ' -b7 ..i_. ....]___ Ebrin AW.31M (Rev. 9-t1 h3&1-1_
"'_T_ _C _C L._I. T.A*.__'_*. !_ _T. _._C 7 7_ _.i '_~ _ "T_. _" T (Docket.a. SD-I 9 .vncrirticr I..e containner.t structura prorcsed for.wtt: clitan.iisan Cc ari '2 Thrco Mile Islar.d. Nuclear itatica. Unit 1. Ia t structural cencrete cent i.- cent prestress:4 atrass the uccc and t.rou? cut tc.e si a unil
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a steel reinforced concrata for tno base slab. S c at s tructuril estails ar
- Lasically the sano as tac previously ruviceed cc. crete centaine.cnt desin7s.
The reactor centsir.ecct structure, whica er.clases the prinary syste~ ste:n generaters, and relate 1 auxiliaries, censista ci a cencreta v.:oll in the fern of a vertical ri.;at circular cyllauer wit.: a shallev ellipscia d done and a flat slab basc. A velded nild c:cel (A-10 liner of tarce-ci_:f.m inch thickness for the cylinder nad cena and cne-fcurth laca thicknec: fer the base slab is attached to the inside surf ace of tae ccccroce s.iell as 1 provision to ensure laaktightncas. The base slab is of reinforced concrete constructi:n using a ai <: streagth grade stccl. The cylinder walls are prestressed circumforcatially against hco stress by three staggered systens of prestressinc, tendons anchorcJ at six vertical buttresses. The cylinder walls are also prostressed vertically with a scriss of uniformly spaced tenaons extendinr. fron the ton of the ring ;,irder (thickened section at cylinder and deze intersectica) to the bottes of the base slab. Local base mesent is carried by reinforcin* bars placed in a dia.-onal pattern in the slab and extenein.- up inside t..e cylin-drical vall about tvolve fect. The dcca is prastressed ly a three way tecien / sten ext':nuia7, acroc ; the donc and ancherca on a horir.cntal plane ca the det ric 3 racr. 1 reinforcia; bara A grid of supplemental rcinforcenent consistin-is provided on the exterior faca of tae cylinder and te for craci. centr:. Additional rainforcenent la provided en the intariar face at the dcce line and in the auctorage zones. Fir,id shest 'T' and L' connectors are provided on the liner esterior f ace. The prescrcssina tenden pattern is duflected around the =ajor cylinver penetrations (personnel and equincent acceus aatches) cad Jalitto al stac1 reinforcement is providoJ for local ncneat and a:.ec t. L
W hiY: l The Tsjor laajin 9 canaidered by t e clica n 1:.cla e _.: I accident creasur., acciant te.acrature, ni:. ic, J v i:... T.e ar 11c n t also consiacra external precaura, ternano, a:.' ri e t;; ioa 1: 'm. .ae Ic aJ n 1 and their nanncr of cosbiaatica are the s no-.ia e rtvicua lv revicsc' D'r cc - creta containrentn. The factorcJ load equatieni cc ;inea realistically.11 ti nificant loa:s ano are accertaale. Structural Analvsis Cetn113 Tho static lead strcanes and deflectiens f or the s'.c11a of revolutie-ara calculated by an exact nunerical solution of tao 7,cncrai benuin-theery of shella. This analysis employs the df f ferential equatices derivec bv
- 3. Reissner. I!.ese aquations are be:cd en the liccar theory of elasticity, and they tala into account the bendini as well as the mensrane action of tha shall. The method of solution is the nultise ment rethc6 ef direct inte rstica, whica is esaable of calculatint the exact solutien of an ar~itrary thin c
elastic shell of revolutien when subjected to eny given edte. surface, cnd temperature loads. The stresses and displacer. ants of the res-onse of tha shella of reve-lution to the eteitation of an earthqua're is calculated by su9erimoosin' tha normal modes of free-vibratien of the shell. The transistery inertia terms in the normal, meridional, and circumferential dirnetion of the saell are taken into account. The naca distributico is the actual = ass distributien of the shell and no approxt=4tiens are made. The equipeent access hatch is marrexinstely tventy-tvo feet in dianeter and the persensel hatch is nine And one-h.11f feet in diameter. This terresr-en a considerabic incrname in t7pical evers11 Mate'. size for these tv-on of containcent s and. to in extent, increencs t~e dexi ncr's aroSlcrs with racer" to tenden deflecticn areund the cpenin' aa gr3"cr reinferten3nt for local stresses. The Franklin Institute has been en-ated to naka a cecruterizeu finite cler.cnt analysis of the dosiin. Since auch an cnalysis technique enabics the analyst to acccunt for the v:riaticn in structural stif fne.19 a: predict detailed stress patterns around cue lar e epecinis in a arecisa manner the analysis of tna openin' deoi-n throu h use cf this tecar ique shoold provide addel casurance of its aJcquacy. rased on the results of thia desi~n analycis, s =sanin-f ul cenfirnatory instrumentation proarar. f or the This cecbinatien of an.,1 eis.-nd thorou-h irrt-:- openi.m.- will bs developed. 7 r.entation durine the proof test providen assurance that the f unctional -erf arn-ance objectivas for the large openires vill be ac'.ievcJ. Carstructice Ibc naterisis of censtruction, i.e., the -restr asin- <"-tem, ten!nn F,lr- ,9l D, l(fE-,A n D I 1 b'
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