Poromechanics of particle remobilization and interface stiffness of dynamically stressed fractured rock

• • • Biax Experiment (revised. 16 Aug 2022) For Current Calibrations: -gpfslgroup/cjm38/default/Calibrationsl Exp. Name: p50/d' Operators: W+., ,.... ,,o - :0 -=-------- Temperature ( 0 C): -------- Relative Humidity:(%): ------ Date/Time: /o Nov, 2..02 -z.. Hydraulics start: ___________ _ Hydraulics end: =-5 ..2 1 ..:::: 3 :..:: 6 :::...._ __ ....,.,..._~--- Data Logger Used/Control File: //., - £../22./1 Purpose/Description:, ______________________________ _ Sample Block Used and Thickness with no Sample: __ Steel 5x5 cm, ____ mm SDS Vessel 5x5cm, ____ mm __ Steel !Ox 10 cm, mm AC-DDS Vessel 5x5cm, _____ mm Acoustic Blocks ---------- Non-AC DDS Vessel 5x5 cm , __ __ mm Sample Gouge/Material Preparation: Material: WG t1,~_,sJ '#-,4D Particle Size, Distribution: ----- ---- - Bench top Sample Thickness [mm]: _______ _ Pre-Compaction Sample Thickness [mm]: _____ _ Post-Compaction Sample Thickness [mm]: _ ___ _ Load cells· B lock 1 Block 2 Empty Block Weight [g] Weight of Material U sed [g] 0. 31Sample Block Weight [g] Weight of Gouge [g] Contact Area [ml 0. OOl.J.. 3 I '3 l f Load cell name Calibrations (mV/kN) Tar2et stress (MPa) /nil Voltal(e Voll (iiJ. load Hor: 4) ?. ZS -0. 1 Z 1 o. 941~1 44mmH LG: 12.894 ~ Calibration: 2 ,351)/,; !/9 , 151 (V/MPa) (),t.~ 'f Vert: 44mmV LG: 13.074 ~ Calibration: .. (VIMPa) Vessel Pressure: J Pore Fluid: O e- .i~ H .. O Calibrations {V/MPa) Pressures rMPa) Initial Voltage LG: 0.145 ~ PpA: 2.. ~, f.4 - QifS (p LG: 0.143 Of G:1.4 V PpB: 2 , IP .-0.115 _ Gain: 0.1456 Pc: J.. . b .'J. 5 -o. ozs In - "'A - .. -HG: NA Pdl}J: Disolacem ent Transducers Horz.DCDT Long Rod Short Rod Vert. DCDT Low Gain 1.556mm/V 1.352mm/V Low Gain Hi gh Gain 0.756mm/V r71 . 658m m/V __:_:> High Gain Horz On-Board DCDT Biax Vessel Vert. On-Board DCDT Low Gain 1.165mm/V 0.837mm/V Low Gain High Gain 0.578mm/V {'(J .4 16m~ High Gain Horizontal Servo Settings: P: <jc>O Dan co: ___ _ Chilled water at HPS Chiller Unit 6.Panel Temp (°F): I: ___ Feedback: __ I. Temp In (°F): __ 2. Pres. In (psi): 7. Panel Pres. (psi): Volta}le (iiJ. Load ?, , 61 . 2, 058 3, (.p Z1 0,2.&,l!JZ..., 1,n~t Long Rod 2.820mm/V C () -,t::Rm~lv -:, Biax Vessel 1.263mm/V 0. 963mm/V 0 .6 33mm/V 0.488mm/V D: ___ E-gain: __ _ 3. Temp Out (°F): __ Vertical Servo Settings: 4. Pres. Ou t (psi): __ 8. Near Pres. In (psi): __ 9.Near Pres. Out (psi): __ Process water at Chiller IO.Temp In (°F): _ I I. Pres. In (psi): __ 12.Temp Out (°F): __ 13 .Pres. Out (psi): __ P: ___ Danen: ___ _ 5. Flow (1pm): I:___ Feedback: __ Hyd. Powe r Supply (HPS) D: ___ E-gain: _ _ _ 14. Tank Temp ( 0 C): __ . 15. Temp . Out (°C): _ _ . 16 . Pres. Out (psi): __ ~ ~ .z..4oc, , -,.J, .S ➔ 1D i,.N i/:. z 1">o O 'Pc. -J... J.. ~ re tJ. 2.{;tDo ?r.4f,, 1 M'P:J , s-;ilv r~ /-t. 5 -a ..,,f(~ .// (, B3t9'7 tJ f:, -"> ? , --z. 5' 1"1 'P;i. -if Jp 'Je>o '(, - ""' 8 , ZS' l'-1~ Jl ~o!roo fvA t, ~- "}.. , l, . 1 ... sf1I( Oo Oc.OT.5. I ~1 ttto140D i~;:;c'"'- ,Js oS "- - [o ,'Z. ,v , 4,o ,u ,o, 4, 0,& 1 b,4, f)t-ff'J@1~. ~u,1111 '1111"3~00 B~ , ., ?p ZS " <;c. -'? (o , '2. , 0,41 0, (, , 0,4, o.e) 0,4, t_j t'l,l>a@. 1H~ 'I. 7.. Ku..J '#-2.. #3~&'!>:,00 "52 (. -.., J -c. ~-/-tt-ss~..s • • •