APPENDIX B

Compressional and Shear Wave Attenuation as Functions of Pressure to 200 MPa

Core, section,
interval (cm)		 Depth
(mbsf)		 Qp   Qs-1   Qs-2
60
MPa
100
MPa
150
MPa
200
MPa
60
MPa
60
MPa
100
MPa
150
MPa
200
MPa
60
MPa
60
MPa
100
MPa
150
MPa
200
MPa
60
MPa
176-735B-                                    
117R-1, 36-38 117.36 13.6 15.6 21.9 23.4 14.2   9.59 13 13.2 13.5 10.5   8.08 12.9 23.5 27.7 9.04
146R-2, 0-7 146.0 14.2 15.7 17.7 18 15   5.98 10.4 10.9 11 8.49   8.57 11.1 14.5 17.9 8.54
146R-2, 11-14 146.11 20.7 22.7 25.2 28.1 21.5   10.4 15.3 18.8 22 10.4   12.2 17.2 21.3 22.6 13.1
146R-2, 8-11 146.8 14.4 14.5 15.7 15.5 14.3   10.8 12.1 11.7 11.1 11   11.2 11.6 13.2 13.9 12.1
165R-5, 70-72 165.70 41.4 63.7 293 258 54.6   19.5 25 26.2 29.2 20.4   15.3 17.7 20.8 23.9 15.5
165R-5, 73-76 165.73 51 61.6 229 inf 54   24.5 30.3 29.5 31 25.8   13.2 16.9 19.8 20.5 13.7
165R-5, 76-82 165.76 38.1 44.8 61.9 92 35   12.8 14.3 15.4 17.4 13.1   11.5 13.4 15.4 16.8 11.7
193R-1, 100-106 193.100 16.7 24.9 34.3 36 17   16.1 19.1 19.9 20.2 16.7   13.2 16.3 18.2 18.6 13.5
193R-1, 94-96 193.94 23.3 31.6 45.3 46.2 23.6   13.6 17 17.4 16.6 13.8   13.7 18.1 20.7 21.3 14.3
193R-1, 97-99 193.97 16.4 21.2 27.8 28.1 16.7   11 14 16 15.9 11.7   11.2 14.9 17.9 19.5 13.1
208R-5, 106-108 208.106 11.8 13.3 18 18.2 11.9   8.2 10.6 10.2 10.2 8.32   6.2 7.87 9.46 10.9 6.25
196R-4, 93-95 196.93 11.3 14.9 20.1 19.5 11.3   5.76 6.78 7.7 5.62 6.09   6.17 7.6 9.79 11.5 6.33

Notes: Measurements were made by New England Research, Inc. Q = quality factor. Attenuation = 1000/Q. inf = there is no measurable attenuation.