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From page 212... ...
212 APPENDIX E-1 Wildlife Liquefaction Array Site Site Response in the 1987 M 6.2 Elmore Ranch Earthquake General This Appendix presents results of numerical modeling of the response of the Wildlife Liquefaction Array (WLA) site in the 1987 M 6.2 Elmore Ranch earthquake.
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213 Table E-2. Key Parameters of Input Motion.
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214 Figure E-2. Acceleration Response Spectra in the 1987 M 6.2 Elmore Ranch Earthquake (N-S)
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216 Table E-4 – Summary of Element Testing Soil SHAKE2000 D-MOD2000 FLAC PLAXIS OpenSeesPL Clay N/A MKZ - - U-CLAY2 Silty Sand N/A MKZ LE-MC HSsmall UCSDSAND3 N/A = Not Applicable (Direct Input of Modulus Reduction and Damping Curves)
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218 Figure E-8. CM Sub-Model Testing with the HSsmall Model as implemented in Program 5.
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220 System Testing Figure E-9 documents the process of system testing (i.e., model testing at the soil profile level) for Programs 2 and 4.
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221 Results - Ground Surface Response The Total Stress Analysis (TSA) was performed first to establish a Total Stress (TS)
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222 The Effective Stress Analysis (ESA) was performed without and with excess PWP (PWP)
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223 (e) Program 5 (HSsmall)
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224 Figure E-12 shows selected results of the TSA in a profile view. Input PGA (recorded at approximately 8 m.
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225 Figure E-13 shows selected results of TSA presented in the form of stress-strain loops calculated in the middle of the submerged portion of the "critical" layer.
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226 (c) Peak Shear Strain (d)
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227 (b) Figure E-15.
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228 (g) Inferred from SM Records Figure E-16.
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230 Site Response Model of the Original WLA Site Layer No. Soil Type Thickness (m)
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From page 231... ...
231 5 LE-MC 1.5675 0.4085 26.50 57.42 30 1E+06 0 6 LE-MC 1.5675 0.4085 30.84 66.82 30 1E+06 0 7 LE-MC 1.5675 0.4085 45.86 99.36 30 1E+06 0 Layer No. LE-MC Input Parameters Tens.
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From page 232... ...
232 Parameters and Coefficients of the UBCSAND Model (Program 3) Layer No.
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233 6 U-Sand3 0.0 20 30 1.73 10 20 7 U-Clay2 0.0 101 0 21 10 20 Layer No. Parameters for generation of PWP Soil Stiffness 𝝋𝝋𝑷𝑷𝑷𝑷 (°)
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