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Leighton Consulting, Inc. <br />611 Wilshire Blvd., Suite 1404 <br />Los Angeles, CA 90017 <br />http://www.leightongroup.com <br />3-*RT17 ©4124,1 1< 1. MCICIFFY.*r:ly INTIZY[ 999'99,?·=*.4 4=.1. i <br />roject title : The Academy - Orangewood Children's <br />EPT file : CPT-6 <br />[nput parameters and analysis data <br />Location : 1901 North Fairview Street, Santa Ana, CA <br />Inalysis method: <br />ines correction method: <br />)oints to test: <br />Earthquake magnitude M. <br />)eak 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 ft <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 />1.00 lb/ft3 Limit depth applied: Yes <br />Limit depth:50.00 ft <br />Cone r*MIM'FEER Frictio#A'WjRJ GER SBTn Plot CRR plot FS Plot <br />FILL <br />10-10-10-5- <br />15-15-15-10-10 <br />20-20-20-:15-15-1 <br />25-25-25-20- <br />25-2530-30-30- <br />30-30 <br />35-35-35- <br />35-, 35 <br />40-40-40- <br />40-40 <br />45-454 45-· <br />45-45 <br />50-50- <br />50-50 <br />55-55-55- <br />55 <br />60-60-60- <br />60-60 <br />65-65-65-·65-65 <br />70-70-70-70-70 <br />75--7[-7[--7C-75 <br />0 100 <br />Depth (ft) <br />=711 4%4iZZ <br />1.5 <br />1 ,/ 1 1 , 1 1 1 1 1 1 .I - 1 1 1 1 1 1 1, rr-1 ./ 11111 <br />200 300 0 2 4 6 8 10 1 2 3 4 0 0.2 0,4 0.6 0 0.5 1 2 <br />qt (tsf)Rf (%)Ic (Robertson 1990)CRR & CSR Factor of safety <br />Mw=71/2, sigma =l atm base curve Summary of liquefaction potential <br />0.6- 11'111'11'1111'1.000 <br />Liquefaction <br />0.5- <br />0.4- <br />0.3- <br />0.2- <br />0.1- <br />1 lilli <br />9 <br />100= <br />4 <br />0 20 40 60 80 100 120 11 <br />Qtn,cs <br />1 a=/-1- <br />11 <br />0.1 <br />11. <br />, , , i, i,i <br />1 10 <br />Norrnalized friction ratio (%) <br />No Liquefaction - <br />0 160 180 200 <br />Zone Al Cyclic liquefact,on 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 Liquefaction and post-ear·thquake strength loss unlikely check cyclic softening <br />Zone C Cyclic Oquefact,on and strength loss possible depending on soil plasticity <br />bittleness/sensitivity strain to peak undrained strength and ground geometry <br />CLIq v.1.5.1.16 - CPT Liquefaction Assessment Software - Report created on 11/2/2011,1:24:25 PM 41 <br />Project file: P: \Leighton Consulting\603000\603284.001 Orangewood\Analyses\orangewood_cpt.clq <br />SL Rvcd 2019.01.21 <br />2