23 23930 ()
44 46() 48() 53 7 22 GL
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(8) (2) 1/4 47% -1 3 20 4,085 11% 5% 4% 6% 1% 2% 20 24% 22 3 (1) 449 (2) 1,000 (3) 217 (4) 176 (5) 66 (6) 38 (7) 235 (8) 1,904
KY()
http://www.env.go.jp/water/dojo/gl-man.html
(Hardware) (Software) (Heartware)
84 13 20 745 (1) 11% (2) 15% (3) 5% (4) 5% (8) 56% (7)7% (5) 0% (6)1% -2 20 22 3 (1) (2) (3) 84 37 (4) 33 (5) 3 (6) (7) 51 (8) 420 112 5 (4) 5% (3) 41% (5) 5% -3 32 (1) 27% (2) 22% (1) 1 (2) 2 (3) 3 15 (4) 4 (5) 2 8 37 10 2
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1. 5 (A) (B) (C) (D) 2. 2 32 3. 3 KY
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137 () G14 S30
-2
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3.
Event Tree (Accident)(Event) Event Event Event(Event Sequence) Event Fault Tree (Fault) Fault
Fault Tree Fault Tree Fault Tree Fault Tree!"#$%&'()*! "OPQRS#! 89:;! B;:"CD#!!"EFG! HIB;:! JKLMN! "7?@:A#!!"#$%45()*! 89:;<! ++=>.123!!"#$%&'()*! ++,-./0123! 45#67()*! ++,-./0123! T-5 7?7UVWXYZ[\]^_`ab/0.123VcdY!
( -6 (Fault) Overflow pipe Pipe / and()gate or()gate Fault()
Fault Tree Fault (FaultFault ) FaultFault Fault Fault Fault TreeFault TreeFault TreeFault Fault And gate Or gate.0102 and =0.02x0.51.02.51 And()gate FaultFault Fault Fault.51 =0.01+0.5 or.01.5 Or()gate Fault FaultFault Fault
-7 ().01.01.5.01.51.02.0102 (A)() and or or.01.01 0.1.01 0.11.02.0022 and or or (B)().01.0001.01.01.01.02.000002 (C)() and or and 1/4.6 1/1,100 1/5,100 (A) (B) (B) =0.01+0.5 =0.01x0.01 =0.01+0.1 =0.01+0.01 =0.01+0.01 =0.01+0.01
129 300 H.W.
Event Tree Event EventFault Tree "#$%!,34! "#$%!,&'! &'5678! 9:,;<=! &'>?@ABC! 789:,;<=! &'>?DEFC! 789:,;<=! "#$%,GH! &ICJKLM! Yes (0.01)! Yes (0.01)! 9.0x10-9! Yes (0.01)! No (0.99)! 8.9x10-7! Yes (0.01)! No (0.99)! Yes (0.01)! Yes (0.01)! 8.9x10-5! 8.9x10-7! Yes (0.90)! No (0.99)! No (0.99)! No (0.99)! 8.9x10-5! 8.8x10-3! No (0.10)! No (0.99)!!-8 "#$%&'()*+,Event Tree-./012! 8.9x10-1! 1.0x10-1! "N1.0#!
()
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