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Leighton Consulting, Inc. <br />611 Wilshire Blvd., Suite 1404 <br />Los Angeles, CA 90017 <br />http://www.leightongroup.com <br />I. . <br />Project title : The Academy - Orangewood Children's <br />CPT file : CPT-4 <br />Input parameters and analysis data <br />Location : 1901 North Fairview Street, Santa Ana, CA <br />Analysis method: <br />Fines correction method: <br />Points to test: <br />Earthquake magnitude Mw: <br />Peak ground acceleration: <br />NCEER (1998) <br />NCEER(1998) <br />Based on Ic value <br />6.70 <br />0.38 <br />G.W.T. (in-situ):30.00 n <br />G.W.T. (earthq.):15.00 ft <br />Average results interval: 3 <br />Ic cut-off value:2.60 <br />Unit weight calculation:Based on SBT <br />Use fill:Yes <br />Fill height:3.0 <br />Fill weight:10[ <br />Trans. detect. applied: Yes <br />Ko applied: No <br />Clay like behavior <br />Oft applied:Sands only <br />).00 Ib/fV Limit depth applied: Yes <br />Limit depth:50.00 ft <br />Cone ri*85'EER FrictioF&'tAGER ASBTn Plot CRR plot FS Plot <br />FILL <br />10-5- <br />15-10- <br />20- <br />25-20-20 <br />25-25 <br />30-: <br />30-30 <br />35- <br />35-35 <br />40-. <br />40-40 <br />45- <br />50- <br />45-45 <br />50-50 <br />55- <br />55-55 <br />60- <br />60-60 <br />65-65-65 <br />70-70-70 <br />75-75-75 <br />1 2 3 4 0 0.2 0.4 0.6 0 0.5 1 1.5 <br />10 <br />25- <br />30-0 30- <br />351- <br />r 40-1 <br />u 451 <br />50-1 -: <br />404 <br />55-1 <br />60- <br />65 <br />704 <br />75- <br />JUl <br />554 <br />60- <br />654 <br />1 <br />0 2 4 6 8 10 <br />1 <br />0 50 100 150 2 <br />qt (tsf)Rf (%)Ic (Robertson 1990)CRR & CSR Factor of safety <br />Mw=71/2, sigma =1 atm base curve Summary of liquefaction potential <br />0,6- '''''''''1:I1I1 1,000 ''''' <br />Liquefaction <br />7 8 <br />0.5- <br />0.4- <br />0.3- <br />0.2- <br />0.1- <br />--22.-2(i ,9 <br />100= <br />2* <br />14 5 1 <br />10.4 <br />C <br />1 <br />1 1 11 lili 1 11 lili <br />0.1 1 10 <br />0 11,111,11,1111,1111111111111 <br />0 20 40 60 80 100 120 14 <br />Qtn,cs <br />Norrralized friction ratio (°/o) <br />No Liquefaction - <br />IO 160 180 200 <br />Zone Al Cyclic liquefaction likely depending on size and duration of cyclic loading <br />Zone A2 Cyclic liquefaction and strength loss likely depending on loading and ground <br />geometry <br />Zone B Liquefacton and post-eanhquake strength loss unlikely check cycl,c softering <br />Zone C Cyclic hquefachon and strength loss possible depending ort soil plasticity <br />brittleness/sensitivity strain to peak undrained strength and ground geometry <br />CLiq v.1.5.1.16 - CFT Liquefaction Assessment Software - Report created on: 11/2/2011, 1:24:22 PM 25 <br />Project file: P:\Leighton Consulting\603000\603284.001 Orangewood\Analyses\orangewood_cpt.clq <br />SL Rvcd 2019.01.21