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FROM IGES,LAB._Inc,SRL7L.Rf~CITY,Iff PFIOh(t NO. 8016856111 May. 21 2003 09:05RM P2 <br />u <br />\J <br />• <br />Environmental Strategics (West Elk Minc Rd.} <br />Triaxial Consolidated Undrained /with Pore Pressure / Multi-Staged <br />28+00 at 10-11.5 feet <br />Phase 1 2 3 <br />Drill hole 28+00 <br />Sam le <br />peps (g) 10-11.5 <br /> w (%) 19.3 <br /> yd (pc 101.5 <br />•~ ~ , <br />~. <br />B <br /> µ, % 20.7 <br /> yd ~~ 111,0 <br />w eo <br /> B <br /> Back pressure (psi) 44-5 44.5 44.5 <br /> Strain rate (in/min) 0.0042 0.0042 0.0042 <br /> <br /> <br /> <br />tress conditions m <br />p <br /> <br />b <br />~ <br />e°., rn <br /> <br />n <br />b <br />~ <br />~ ,+1 <br /> <br />~ <br />b <br />~ <br />w "1 <br /> <br />b <br />b <br />~ <br />z rn <br />b <br />_ <br />b <br />~ <br />a ~ <br />b <br /> <br />b <br />~ <br />~ <br /> s (%) 4.61 8.71 13.45 <br /> Time to Fail min) 41.2 39.3 41.9 <br />y a3 (pst} 1008 2002 4003 <br /> al-a3 (psf) 999 1924 2807 <br />`~' al (ps 2007 3926 6810 <br />c Q = (al-a3)/2 (pst) 499 962 1403 <br />~' P = (al+a3)/2 (psf) ]507 2964 5407 <br /> u ( s~ 490 893 1728 <br /> A=u/(al-a3 0.490 0.464 0.616 <br /> e (°10) 4.61 ' 8.71 13.45 <br />~ Time to Fail min) 41.2 39.3 41.9 <br />~ a'3 (psfj 518 1109 2275 <br />`" <br />v a'1-a'3 (sf) 999 1924 2807 <br />•~ dl (psf) 1517 3033 5082 <br /> Q' = a'1-a'3)/2 (psl) 499 962 ] 403 <br />m P' _ (a'l+a'3)/2 (psf) 1018 2071 3b79 <br /> a'I/d3 2.93 2.74 2.23 <br />Summary of strength parameters Total stress Effective stress <br />~ (deg) 13 20 <br />c (psf) 210 200 <br />Slope of P-Q, a (deg) 13 18 <br />cu pp_28+00 ®10-11.5 R <br />Summary <br />F:V'AO]ECTS_2003~Envimnmental Svatagies~cnpp_28+00(<~10-I 1.5 R.rlt]Summazy <br />i <br /> <br />