Seismic Analysis of Large-Scale Piping Systems for the JNES ... - NRC

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Seismic Analysis of Large-Scale Piping Systems for the JNES-NUPEC Ultimate Strength Piping Test Program Manuscript Completed: August 2008 Date Published: November 2008 Prepared by G. DeGrassi, J. Nie, and C. Hofmayer Brookhaven National Laboratory Upton, NY 11973-5000 S. Ali, NRC Project Manager NRC Job Code N6076 Office of Nuclear Regulatory Research NUREG/CR-6983 BNL-NUREG-81548-2008
Page 1: NUREG/CR-6983 BNL-NUREG-81548-2008
Page 5 and 6: FOREWORD This report documents the
Page 7 and 8: Figure 2-7 Model B Simplified Pipin
Page 9 and 10: Figure 4-64 Acceleration A2 Compari
Page 11 and 12: In the final phase of the test prog
Page 13 and 14: Continued investigation of the subj
Page 15 and 16: 1 INTRODUCTION Prior to the establi
Page 17 and 18: 2 DESCRIPTION OF JNES/NUPEC TEST PR
Page 19 and 20: Photographs of the DM Test Piping a
Page 21 and 22: Design Method Confirmation Test Ult
Page 23 and 24: Stress (N/mm 2 ) Figure 2-1 Monoton
Page 25 and 26: Hoop Strain (%) 18 16 14 12 10 8 6
Page 27 and 28: φ76.3 7.8 1500 Variable Hanger Sma
Page 29 and 30: Figure 2-9 Overview of Design Metho
Page 31 and 32: Figure 2-11 DM Test Nozzle 17
Page 33 and 34: Figure 2-13 DM Test Spring Hanger 1
Page 35 and 36: Figure 2-15 DM Test Accelerometer L
Page 37 and 38: Figure 2-17 DM Test Strain Gage Loc
Page 39 and 40: Figure 2-19 US Test Piping System S
Page 41 and 42: Figure 2-21 US Test Elbow 2 and Add
Page 43 and 44: Figure 2-23 US Test Accelerometer L
Page 45 and 46: Figure 2-25 US Test Strain Gage Loc
Page 47 and 48: Displacem ent(m m ) S train(%) 100
Page 49 and 50: Figure 2-30 US Test Elbow 2 Fatigue
Page 51 and 52: 3 BNL LINEAR ANALYSES AND CODE EVAL
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where: PD 2t D + 0S m (3-4) 2I 0 0
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limits and specified that stresses
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Regulatory Guide 1.61 Revision 0 da
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Code Edition 1993 1993 Table 3-3 DM
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Figure 3-1 Design Method Confirmati
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Acceleration (g) Acceleration (g) 1
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Acceleration (g) 16 14 12 10 8 6 4
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g, and 0.471 g respectively in the
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A simple approach has been taken in
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so as not to prevent ANSYS from fin
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are made with time histories and Fo
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DM4-2(2) (Restart): This analysis c
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The only responses obtained from th
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elements. The final hoop (plastic)
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are somewhat smaller than but in an
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difference in the residual displace
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esponse for the entire time histori
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Figure 4-1 Horizontal and Vertical
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Figure 4-7 Comparison of Baseline-c
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Stress(MPa) Stress (MPa) 600 500 40
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Hoop and Axial Strain (%) 17 16 15
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Figure 4-16 Displacement D2 Compari
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Figure 4-18 Acceleration A2 Compari
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Figure 4-39 Relative Deformation Hi
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Figure 4-47 Strain Ratcheting Compa
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Figure 4-60 Horizontal Input Motion
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described in Sections 4 of this rep
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U.S. Nuclear Regulatory Commission,
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nominal dimensions for the straight
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Figure A-1 Original and Modified Re
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Figure A-5 Ratio of Reaction Forces
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Figure A-9 Ratio of Reaction Force
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Figure A-13 Ratio of Top Half Signi
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NRC FORM 335 U.S. NUCLEAR REGULATOR
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Seismic Analysis of Large-Scale Piping Systems for the JNES ... - NRC

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