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Page Title:
Table C-5 Elastic Response to Reference 1.0g NUREG/CR-0098 Spectrum (7% damping) |
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|  DOE-STD-1020-2002
Table C-5 Elastic Response to
Reference 1.0g NUREG/CR-0098 Spectrum (7% damping)
Demand
Displacement
Shear
Capacity/Demand
Yield Displacement
δR
VR
Vu / VR
δe=δR(Vu/VR)min
(inch)
(kips)
(inch)
(inch)
Level
3
0.304
13,400
1.24
0.309
2
0.208
16,400
1.32
0.211
1
0.145
18,900
1.02
0.147
Computation of System Ductility - In accordance with the recommendations given
above, a permissible total story distortion of 0.4% of the total story height will be selected for the
critical first story. Thus:
δTI = 0.004(22
ft )(12 inch / ft ) = 1.06 inch
(C-12)
and the story ductility from Equation C-9 is:
1.06
s =
= 7.2
(C-13)
0.147
From Equation C-10, the system ductility is expected to lie within the range of:
C-37
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