Document: NUREG-0800
Document ID: ab4f353d-c299-479d-ab25-834f97196988
Document Type: srp
Title: CONCRETE AND STEEL INTERNAL STRUCTURES OF STEEL OR CONCRETE
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070326.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.8.3
CFR Part: 
CFR Title: 

Content:
3) D + L + T + R + P + 1.0 (Y + Y + Y ) + E a a a r j m (4) D + L + T + R + P + 1.0 (Y + Y + Y ) + E' a a a r j m (bii) If the plastic design methods are used: (1) D + L + T + R + E' o o (2) D + L + T + R + 1.5 P a a a (3) D + L + T + R + 1.25 P + 1.0 (Y + Y + Y ) + E a a a r j m (4) D + L + T + R + 1.0 P + 1.0 (Y + Y Y ) + 1.0 E' a a a r j m In the above combinations, thermal loads can be neglected when it can be shown that they are secondary and self-limiting in nature.88 In combinations (2), (3), and (4), the maximum values of P , T , R , Y , Y , and Y , a a a j r m including an appropriate dynamic load factor, should be used unless a time-history analysis is performed to justify otherwise. Combinations (3) and (4) and the corresponding structural acceptance criteria of subsection II.5 of this SRP section should first be satisfied without Y , Y , and Y . When considering these loads, r j m local section strength capacities may be exceeded under these concentrated loads, provided there will be no loss of function of any safety-related system. b. For the divider barrier, ice-condenser elements, and the Mark IIIBWR 89 90 containment drywell, the loading criteria are acceptable if found in accordance with the following: DRAFT Rev. 2 - April 1996 3.8.3-22 di. Divider Barrier As the structural integrity of the divider barrier and, to a certain extent, its leaktight integrity as well, are important to the proper functioning of the ice-condenser containment system, it is treated for design purposes similar to the containment itself. Accordingly, for concrete pressure-resisting portions of the divider barrier, the loads and load combinations of Article CC-3000 of ASME Section III Division 2 Code (Ref. 4) will apply, with the following exceptions. For Table CC-3230-1 (i) In the third combination 0.5 under E should be replaced by the ss word "or." (ii) It should be indicated that the maximum values of P , T , R , R , a a a r including an appropriate dynamic load factor,