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

More documents

Recommendations

Info

Table 2-4 DM and US Test Frequencies and Damping Ratios from Seismic Tests Test Case Resonant Frequency (Hz) 8 Damping Ratio (%) Maximum Design Stress DM2-1 6.3 2.1 3Sm DM2-2 6.2 2.3 4.5Sm DM4-1 6 2.4 6Sm DM4-2(1) 6 2.9 10.5Sm DM4-2(2) 5.9 3.4 13.5Sm US2 3.6 4.5 24Sm
Stress (N/mm 2 ) Figure 2-1 Monotonic Loading Stress-Strain Curve for STS410 Carbon Steel Stress (N/mm 2 ) 500 450 400 350 300 250 200 150 100 50 600 400 200 0 -200 -400 -600 0 0.00 0.50 1.00 1.50 2.00 2.50 3.00 Strain (%) (1 N/mm 2 = 145 psi) -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 Strain (%) Figure 2-2 Uniaxial Cycling Test Hysteresis Curves for STS410 Carbon Steel (1 N/mm 2 = 145 psi) 9
Page 1 and 2: NUREG/CR-6983 BNL-NUREG-81548-2008
Page 3 and 4: Seismic Analysis of Large-Scale Pip
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: Design Method Confirmation Test Ult
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
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 89 and 90:
Page 91 and 92:
Page 93 and 94:
Figure 4-7 Comparison of Baseline-c
Page 95 and 96:
Stress(MPa) Stress (MPa) 600 500 40
Page 97 and 98:
Hoop and Axial Strain (%) 17 16 15
Page 99 and 100:
Figure 4-16 Displacement D2 Compari
Page 101 and 102:
Figure 4-18 Acceleration A2 Compari
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Figure 4-39 Relative Deformation Hi
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Figure 4-47 Strain Ratcheting Compa
Page 131 and 132:
Page 133 and 134:
Page 135 and 136:
Page 137 and 138:
Page 139 and 140:
Page 141 and 142:
Figure 4-60 Horizontal Input Motion
Page 143 and 144:
Page 145 and 146:
Page 147 and 148:
Page 149 and 150:
Page 151 and 152:
Page 153 and 154:
described in Sections 4 of this rep
Page 155 and 156:
U.S. Nuclear Regulatory Commission,
Page 157 and 158:
nominal dimensions for the straight
Page 159 and 160:
Figure A-1 Original and Modified Re
Page 161 and 162:
Figure A-5 Ratio of Reaction Forces
Page 163 and 164:
Figure A-9 Ratio of Reaction Force
Page 165 and 166:
Figure A-13 Ratio of Top Half Signi
Page 167:
NRC FORM 335 U.S. NUCLEAR REGULATOR
show all

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

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?