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Home | Products | PIPESTRESS | Fatigue Analysis | CUF Report
Cumulative usage factor report
PIPESTRESS documents the calculation of
the cumulative usage factor in report F.4-2, shown below.
D S T C O M P U T E R S E R V I C E S S. A. G E N E V A F-4.2 PAGE NO. 265 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ++ DST/PIPESTRESS ++ NUCLEAR POWER PLANT S. BOONE Version 3.5.0+417 PC Release: Sep 1999 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CALCULATION NUMBER 3999 CODE SECTION III CLASS 1 ASME-1977 TEST PROBLEM NO. 1 2001/01/15 14:36:18 [310] CLASS 1 ANALYSIS FATIGUE PROTECTION INCLUDING STATIC AND SEISMIC LOADS, AND TRANSIENT FATIGUE ANALYSIS AT POINT 105, BRANCH CONN 1 TO 105 ***************************** DELTA T1 IN DEGREES F INDIVIDUAL STRESS RANGE CHECK STRESSES IN PSI ***************************** LOAD SET PAIR SALT ------ OCCURENCES ------ NUMBER SETS NO. CYCLES USAGE REMARKS I J EQN.14 NI NJ USED ELIMINATED TO FAILURE FACTOR DYNAM. 4 7 53281. 200 80 80 7 3585. 0.0223 120 0 0 2 5 52773. 5 15000 5 2 3696. 0.0014 0 14995 3 4 37298. 200 120 120 4 10655. 0.0113 80 0 1 5 35845. 5 14995 5 1 12199. 0.0004 0 14990 3 5 17457. 80 14990 80 3 163217. 0.0005 0 14910 5 6 17457. 14910 15000 14910 5 163217. 0.0914 0 90 6 8 11013. 90 80 80 8 >1000000. 0.0000 10 0 0 ----------- TOTAL USAGE FACTOR = 0.1272j Notes a: Fails f: Weld ISI j: Rupture Location
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