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E Incorporated <br /> 17278 <br /> 17278 Golden Valley Parkway <br /> Lathrop,CA 95330 <br /> Frpea EXCOMO M www.engeo.com <br /> LIQUEFACTION ANALYSIS REPORT <br /> Project title:Holly Buildings H&I Location:Tracy,California <br /> CPT file:CPT-02 <br /> Input parameters and analysis data <br /> Analysis method: Robertson(2009) G.W.T.(in-situ): 7.00 ft Use fill: No Clay like behavior <br /> Fines correction method: Robertson(2009) G.W.T.(earthq.): 7.00 ft Fill height: N/A applied: All soils <br /> Points to test: Based on Ic value Average results interval: 3 Fill weight: N/A Limit depth applied: No <br /> Earthgjake magnitude M w: 6.90 Ic cut-off value: 2.60 Trans.detect.applied: Yes Limit depth: N/A <br /> Peak ground acceleration: 0.51 Unit weight calculation: Based on SBT K,applied: Yes MSF method: Method based <br /> Cone resistance Friction Ratio SBTn Plot CRR plot FS Plot <br /> 2 ------ ------- 2 - r , 2 2 ----- - I 2 <br /> 6 ------ 6 ---- --- 6 6 6 <br /> 10 ------ ------=---- 10 ---- ----- 10 10 ------------- 10 <br /> 12 . ------:.......... 12 12 12 %----- 12 <br /> 14 ------ +.......... 14 ------------; 14 14 14 <br /> 16 . ...... :........... 16 ----1- 16 ! 16 ----- 16 <br /> --'- <br /> 18 -------- 18 --- ---- --- 18 18 ---- <br /> T. ---- 18 <br /> - <br /> 20 20 20 20 ----- ---- 20 <br /> 22 ......... ............... 22 ; ------.....,..... 22 22 ..... 22 <br /> 24----- 24 .. .. 24 24 ...... 24 <br /> t ; ; <br /> 0 28 ----- ------------------ 28 ---- ---- -- 28 28 ------------------ 28 <br /> 30 -------- -----------=---- 30 ---- ---- ' '. 30 30 ----- ---- -------- 30 <br /> 32 ----- <br /> 32- 32 32 -,- 32 <br /> 34 34 % 34 34 ----- ------ -------- 34 <br /> 36 --------- -- ----%---- 36 - ----- 36 36 ----- ------ -------- 36 <br /> 38 --------------- ----t---- 38 ---- ----- '----- 38 38 -------------- -------- 38 <br /> 40 ---- , ------ ---- 40 ------------------ 40 40 ----- ------ --- 40 <br /> 42 -- ----- ------- 42 - 42 42 ----- 42 <br /> 44 .... ............% 44 .----+..... 44 44 44 <br /> 46 ---------'--- t---- 46 . --'---- 46 46 ----- --- ---- 46 <br /> 48 -------- ---- 48 -- - 48 48 ----- ----- 48 <br /> 50 ... .. 50 .. 50 50 50 <br /> 0 200 400 0 2 4 6 8 10 1 2 3 4 0 0.2 0.4 O.E 0 0.5 1 1.5 2 <br /> qt(tsf) Rf(%) Ic(Robertson 1990) CRR&CSR Factor of safety <br /> !M„,=7111,sigma=1 atm base curve Summary of liquefaction potential <br /> 0.8 1,000 <br /> LigLllfaction s <br /> 0.7 ---- ...................................................... --- ---- <br /> c 1P g <br /> i ? i <br /> 0.6 ------------------------;------- ----- ---- ---- ---- 10 - <br /> 0ri!c � <br /> * 0 , <br /> U0.5 .... .... .... .... .... ;...... .... .... .............. v g <br /> o <br /> D� 0.4 -------------- ; *-Mlr--- --AMM A---" u <br /> N 10 - <br /> v <br /> 0.3 i ... ........................... E �f. � 3 <br /> 'U 0 �}' <br /> 0.2 <br /> 1 <br /> 0.1 1 10 <br /> 0.1 ..... .......................------- Normalized friction ratio(%) <br /> Zone A,:Cyclic liquefaction likely depending on size and duration of cyclic loading <br /> LIQllefdCt�On Zone A2: Cyclic liquefaction and strength loss likely depending on loading and ground <br /> 0 geometry <br /> Zone B:Liquefaction and post-earthquake strength loss unlikely,check cyclic softening <br /> 0 20 40 60 80 100 120 140 160 180 200 Zone C: Cyclic liquefaction and strength loss possible depending on soil plasticity, <br /> Qtn,cs brittleness/sensitivity,strain to peak undrained strength and ground geometry <br /> CLiq v.3.3.2.9-CPT Liquefaction Assessment Software-Report created on: 12/7/2021,5:11:29 PM 15 <br /> Project file:G:\Active ProjectsL14000 to 15999\15188\15188000006\001 GEX\Analysis\Holly Buildings H&I,GW 7.clq <br />