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SAMPLE DESCRIPTION COAL REFUSE , SHALE , VERY P10I5T , BLACK <br />SAMPLE TESTED AT NATURAL MOISTURE CONTENT <br /> MOISTU RE <br />%) DRY NORMAL <br />SAMPLE BORING DEPTH CON 7 <br />TENT <br /> SYMB <br />L s <br />NUMBER O NO. (FT) BFFa~E AFTER (PCFTM (KBE) <br /> TEST TEST <br />I ~ <br />2 ~ <br /> 103 9 16.5 13.7 87 5 <br />3 ~ 103 9 16.5 12.9 88 10 <br /> (SAMPLE l) (SAMPLE 2) (SAMPLE 3 ) <br />PEAK SHEAR STRESS (KSF) 172s 4336 7450 <br />RESIDUAL SHEAR STRESS (KSF) 772 3248 4650 <br />.~, <br />h <br />Y <br />y <br />t/! <br />W <br />K <br />F <br />h <br />K <br />Q <br />W <br />OF <br />35° <br />ION = <br />NORMAL STRESS (KSF) HORIZ DISPL. (W ) <br />DIRECT SHEAR TEST <br />JOB NO. 17 ,453 <br />FIG. B-1 <br />