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Leighton Consulting, Inc. <br />611 Wilshire Blvd., Suite 1404 <br />Los Angeles, CA 90017 <br />http://www.leightongroup.com <br />.'" 3,92%*S 34*t.4#»t :/ 9.&AmNW-mWWMA./.mt** rerwerlenfr,FlatE * 8%%43/'lli . 14*am#44*2>,*4... ='t: t·:··· <br />Project title : The Academy - Orangewood Children's <br />CPT file : CPT-5 <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 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 Ib/ft3 Limit depth applied: Yes <br />Limit depth:50.00 ft <br />Cone r¥NhtF268ER Frictio#AltJGER SBTn Plot CRR plot FS Plot <br />10- <br />15- <br />20- <br />25- <br />30- <br />35- <br />40- <br />45- <br />50- <br />55- <br />60- <br />65- <br />70- <br />75- <br />(U) 41daa <br />10- <br />15- 1 15- <br />20- <br />254 25- <br />30 30- <br />354 35- <br />AA- · <br />45- <br />50- <br />55-·· <br />604 60 - ,9. <br />65-2 <br />70-70- <br />75 <br />lili 1 1 1 1 1 <br />0 50 100 150 200 0 2 4 6 8 10 1 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- 11'11'1''''''''1,000 <br />1 lili <br />Liquefaction <br />1 111111 <br />7 8 <br />0.5- <br />0.4- <br />0.3- <br />> <br />L 0.2- <br />0.1- <br />91 <br />100= <br />4 / ) 373+ 4 <br />r <br />C X <br />11 1 10 <br />1- <br />0 1,11,1,1,•lili,11,1111,11,11 <br />0 20 40 60 80 100 120 1z <br />Qtn,cs <br />Normalized friction ratio (%) <br />No Liquefaction - <br />10 160 180 200 <br />Zone A, 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 Liquefaction and post-ear·thquake strength loss unlikely check cyclic softening <br />Zone C Cyclic hquefactlon and strength loss possible depending on soil plast,city <br />bnttleness/sens,tivity 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, 1:24:23 PM 33 <br />Project file: P:\Leighton Consulting\603000\603284.001 Orangewood\Analyses\orangewood_cpt.clq <br />SL Rvcd 2019.01.21 <br />UFIU <br />5-5 <br />10-10 <br />15-15 <br />20-20 <br />25-25 <br />30-30 <br />35- <br />40-40 <br />45-45 <br />50-50 <br />55-55 <br />60-60 <br />65-65 <br />70-70 <br />7C-75 <br />J :A f J