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

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y = 5878.7x + 13024 600 500 400 300 200 100 -100 -200 -300 -400 -500 -600 83 y = 16.539x + 422.91 0 -3 -2 -1 0 1 2 3 Stress (N/mm 2 ) 500 400 300 200 100 0 -100 -200 True Forward Loading True Plastic C1 C3 Linear (C1) Linear (C3) Figure 4-11 Forward Loading Curve Processing and Development of Initial C1 and C3 Test Chaboche Nonlinear Kinematic Hardening Model α 1 σ x α 3 -300 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 α 2 Plastic Strain (%) α x Test (True) Alpha 1 Alpha 3 Alpha 2 Alpha X Sig X Figure 4-12 Chaboche Nonlinear Kinematic Hardening Model (except for γ3)
Hoop and Axial Strain (%) 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Figure 4-13 SE-4 Test ANSYS Shell Element Model [DeGrassi and Hofmayer 2005] Axial Strain (Test) Hoop Strain (Test) Hoop Plastic Strain (Analysis) Axial Plastic Strain (Analysis) Chaboche Nonlinear Kinematic Hardening Model (γ 3 = 2.2) 0 0 20 40 60 80 100 120 140 160 180 200 Cycles (N) Figure 4-14 Chaboche Nonlinear Kinematic Hardening Model (for γ3) 84
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NUREG/CR-6983 BNL-NUREG-81548-2008
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Seismic Analysis of Large-Scale Pip
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FOREWORD This report documents the
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Figure 2-7 Model B Simplified Pipin
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Figure 4-64 Acceleration A2 Compari
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In the final phase of the test prog
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Continued investigation of the subj
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1 INTRODUCTION Prior to the establi
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2 DESCRIPTION OF JNES/NUPEC TEST PR
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Photographs of the DM Test Piping a
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Design Method Confirmation Test Ult
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Stress (N/mm 2 ) Figure 2-1 Monoton
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Hoop Strain (%) 18 16 14 12 10 8 6
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φ76.3 7.8 1500 Variable Hanger Sma
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Figure 2-9 Overview of Design Metho
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Figure 2-11 DM Test Nozzle 17
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Figure 2-13 DM Test Spring Hanger 1
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Figure 2-15 DM Test Accelerometer L
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Figure 2-17 DM Test Strain Gage Loc
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Figure 2-19 US Test Piping System S
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Figure 2-21 US Test Elbow 2 and Add
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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
Page 53 and 54: where: PD 2t D + 0S m (3-4) 2I 0 0
Page 55 and 56: limits and specified that stresses
Page 57 and 58: Regulatory Guide 1.61 Revision 0 da
Page 59 and 60: Code Edition 1993 1993 Table 3-3 DM
Page 61 and 62: Figure 3-1 Design Method Confirmati
Page 63 and 64: Acceleration (g) Acceleration (g) 1
Page 65 and 66: Acceleration (g) 16 14 12 10 8 6 4
Page 67 and 68: g, and 0.471 g respectively in the
Page 69 and 70: A simple approach has been taken in
Page 71 and 72: so as not to prevent ANSYS from fin
Page 73 and 74: are made with time histories and Fo
Page 75 and 76: DM4-2(2) (Restart): This analysis c
Page 77 and 78: The only responses obtained from th
Page 79 and 80: elements. The final hoop (plastic)
Page 81 and 82: are somewhat smaller than but in an
Page 83 and 84: difference in the residual displace
Page 85 and 86: esponse for the entire time histori
Page 87 and 88: Figure 4-1 Horizontal and Vertical
Page 93 and 94: Figure 4-7 Comparison of Baseline-c
Page 95: Stress(MPa) Stress (MPa) 600 500 40
Page 99 and 100: Figure 4-16 Displacement D2 Compari
Page 101 and 102: Figure 4-18 Acceleration A2 Compari
Page 121 and 122: Figure 4-39 Relative Deformation Hi
Page 129 and 130: Figure 4-47 Strain Ratcheting Compa
Page 141 and 142: Figure 4-60 Horizontal Input Motion
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Figure 4-66 Relative Deformation Hi
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Figure 4-68 Strain Ratcheting Compa
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Figure 4-70 Strain Ratcheting Compa
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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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