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Leighton Consulting, Inc. <br />611 Wilshire Blvd., Suite 1404 <br />Los Angeles, CA 90017 <br />http://www.leightongroup.com <br />Project title : The Academy - Orangewood Children's <br />CPT file : CPT-1 <br />[nput parameters and analysis data <br />Location : 1901 North Fairview Street, Santa Ana, CA <br />Analysis method: <br />-ines correction method: <br />'oints to test: <br />Earthquake magnitude Mw <br />Deak ground acceleration: <br />NCEER (1998) <br />NCEER (1998) <br />Based on Ic value <br />6.70 <br />0.38 <br />G.WIT. (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 />1% applied: No <br />Clay like behavior <br />0 It applied:Sands only <br />1.00 It)/R3 Limit depth applied: Yes <br />Limit depth:50.00 ft <br />Cone rARi?MA¥&R Frict igrk'B89?jGER SBTn Plot CRR plot FS Plot <br />FIU <br />10-10-10-5- <br />15-15-15-10- <br />20-20-20-15- <br />25-25-25-20-20 <br />30-30-30-25- <br />35-35-35-30- <br />35-40-40-40- <br />40-40 <br />45-45-45- <br />45-f 45 <br />50-50-50- <br />50-50 <br />55-55-55- <br />55-55 <br />60-60-60- <br />60-60 <br />65-65-65- <br />65-65 <br />70-70-70- <br />70-70 <br />75-75-75- <br />75-75 <br />80-80-80-80-80 <br />& <br />85-85-85-447 85-85 <br />90-90-90-90-90 <br />95-95-95-95-95 <br />100 inn inn 1 nn <br />0 2 <br />Depth (ft) <br />1 / 1.U luu 111'11'111'Tl LUU i ' I 1 I 1 -WW 1 11 1 1 ¢1 11 <br />00 400 02468101 2 3 4 0 0.2 0.4 0.6 0 0.5 1 1.5 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- '''''''''''''''1,000 1 1,11 <br />Liquefaction i <br />7 \ 8 <br />0.5- <br />0.4- <br />0.3- <br />0.2- <br />0.1- <br />0 11,1,111,1,1,1,111,1,111 <br />0 20 40 60 80 100 12[ <br />Qtn,cs <br />100: <br />4 Li·14 <br />e 4 4* - <br />1 <br />14 <br />C <br />1 <br />02 <br />1 1/lili 4 i-T-1-11 1- <br />).1 10 <br />Norrrelized friction ratio (%) <br />No Liquefaction . <br />0 160 180 200 <br />Zone A, Cyck hquefaction likely depending on size and duration of cyclic loading <br />Zone A2 Cyclic liquefacton andi strength loss likely depending on loading and ground <br />geometry <br />Zone B Liquefacton and post-earthquake strength loss unlikely check cyclic softening <br />Zone C Cyclic liquefaction and strength loss possible depending on soil plasticity <br />brittleness,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, 1:24:17 PM 1 <br />Project file: P: \Leighton Consulting\603000\603284.001 Orangewood\Analyses\orangewood_cpt.clq <br />SL Rvcd 2019.01.21