Laserfiche WebLink
LIQUEFACTION EVALUATION <br />Project Name G&M Oil No. 72 <br />Project Location Santa Ana, CA <br />Project Number 16G 123 <br />Engineer DWN <br />MCEG Design Acceleration <br />Design Magnitude <br />Historic High Depth to Groundwater <br />Depth to Groundwater at Time of Drilling <br />Borehole Diameter <br />0.553 (g) <br />6.65 <br />15 'ft) <br />22 (ft) <br />6 (in) <br />Boring No.B-1 <br />:C 11 <br />if ·.·- f u, f <br />6.2. (.;9:. <br />1 0; 9; f <br />m <br />r.< <br />:.· O 1.0 r zo <br />CIO <br />3- 26 e <br />Ug -" <br />-O <br />2: <br />R a <br />C <br />03* <br />06/ <br />9 g <br />g. 6 g· 8 K W : 4- f.Vai <br />Q.2 3 30 -PO =-=R 2 0 ¥ . € 2- 0 2 ,. -Jik·...Comments -377 <br />4= 66; AP '.':·.7€ .,?u.-Sdfy<4 <br />Lo ·· ..:£24·:+R L··K.Ft··: <br />D .-/. ./ -I <br />(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)(11)(12)(13) <br />0 15 7.5 120 1.3 1.05 1.1 1.70 0.75 0.0 0.0 900 900 900 0.98 1.03 1.04 0,06 0.07 N/A N/A Above Water Table <br />15 17 16 11 120 49 1.3 1.05 1.15 1.04 0.85 15.4 21.0 1920 1858 1920 0.94 1.17 1.02 0.22 0.26 0.35 0.74 Liquefiable <br />17 22 19.5 5 114 64 1.3 1.05 1.1 0.95 0.95 6.8 12.4 2325 2044 2325 0.92 1.08 1 0.14 0.15 0.38 N/A Non-Liq PI>18 <br />22 24.5 23.3 7 120 17 1.3 1.05 1.1 0.89 0.95 8.8 12.7 2760 2245 2682 0.90 1.08 0.99 0.14 0.15 0.40 0.37 Liquefiable <br />24.5 25 24.8 7 119 78 1.3 1.05 1.1 0.88 0.95 8.7 14.3 2940 2331 2768 0.89 1.09 0.99 0.15 0,16 0.40 0.40 Liquefiable <br />25 27 26 7 119 89 1.3 1.05 1.1 0.86 0.95 8.6 14.2 3089 2402 2839 0.88 1.09 0.99 0.15 0,16 0.41 N/A Non-Liq PI>18 <br />27 32 29.5 8 120 52 1.3 1.05 1.1 0.84 0.95 9.6 15.2 3508 2603 3040 0.86 1.10 0,98 0.16 0.17 0.42 0.41 Liquefiable <br />32 37 34.5 5 118 81 1.3 1,05 1.1 0.79 1 5,9 11.5 4103 2886 3323 0.83 1.07 0.97 0.13 0,13 0.42 N/A Non-Liq PI>18 <br />37 39.5 38.3 9 120 93 1 3 1.05 1.11 0.78 1 10.7 16.2 4548 3097 3534 0.81 1.11 0.96 0.17 0.18 0.43 N/A Non-Liq PI>18 <br />39.5 42 40.8 9 120 69 1.3 1.05 1.1 0.77 1 10.4 16.0 4848 3241 3678 0.79 1.11 0.95 0.16 0.17 0.42 0.41 Liquefiable <br />42 47 44.5 7 129 85 1.3 1,05 1.1 0,73 1 7.7 13.2 5320 3479 3916 0.77 1.08 0.95 0.14 015 0.42 N/A Non-Liq PI>18 <br />47 50 48,5 7 125 54 2.3 1.05 1,14 0.74 1 14.3 19.9 5830 3740 4176 0.74 1.15 0,92 021 0.22 0.42 0.52 Liquefiable <br />Energy Correction for Ngo of automatic hammer to standard N60 <br />Borehole Diameter Correction (Skempton, 1986) <br />Correction for split-spoon sampler with room for liners, but liners are absent, (Seed et al., 1984, 2001) <br />Overburden Correction, Caluclated by Eq. 39 (Boulanger and Idriss, 2008) <br />Rod Length Correction for Samples <10 m in depth <br />N-value corrected for energy. borehole diameter. sampler with absent liners, rod length, and overburden <br />N-value corrected for fines content per Eqs. 75 and 76 (Boulanger and Idriss, 2008) <br />(8) Stress Reduction Coefficient calculated by Eq 22 (Boulanger and Idriss, 2008) <br />(9) Magnitude Scaling Factor calculated by Eqns A8& A. 10 (Boulangerand Idriss, 2014) <br />(10) Overburden Correction Factor calcuated by Eq. 54 (Boularger and Idriss, 2008) <br />(11) Calcuated by Eq. 70(Boutangerand ldriss, 2008) <br />(12) Calcuated by Eq. 72 (Boulanger and Idriss, 2008) <br />(13) Calcuated by Eq. 25 (Boulanger and Idriss, 2008)