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;; SEEGMILLER INTERNATIONAL <br />Mum+c Gcohcwacx Ca+su;.Tlvrrs i Ei+cuems <br />\~ <br />ROCK TRIAXIAL STRENGTH <br />SAMPLE NUMBER WCU-BA-T-1 <br />CLIENT STORM KING MINES, INC. <br />PROPERTY Glenwood <br />III-7 <br />Date August 31, 1983 <br />By BDB 5 RPS <br />Hole Number 8A Hole Location N/A N N/A E <br />Hole Size 2.4 inch Collar Elevation N/A Location in Hole 1034.4' <br />Generol Hole Beorinq N 02° E ~ N 12° W Generol Hole Dip 47.5° i 56° <br />Somp/e Diameter <br />61.15mm <br />Somp/e Length 142.45mm <br />Somp/e Areo 2,940mmz <br />Confining Stress (o,) 2.76 MPa Foi/ure force 82.3 kN foi/ure Stress (t?,) 28.0 MPa <br />Pre-testing Sample Description COAL: Upper Seam; boney; banding shows <br />bedding at an angle of 70° to core axis; poorly developed cleating; <br />minor discontinuous fractures; fairly dense and solid sample; fairly <br />strong appearance; good edges and end surfaces; very good sample. <br />Post -testing Sample Description and Test Comments Good Test: Sudden soft failure; <br />smooth well developed conjugate shear surfaces formed in upper 50mm <br />of sample (a=20° and 32°); vertical crack forming along core axis below <br />shear surface; bottom 2/3 of sample unfailed; one large plus three <br />smaller pieces formed. <br />• <br />