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<br /> <br /> <br />6 <br />4 <br />LL <br />N <br />][ 2 <br />N <br />W <br />N <br />a <br />W <br />2 <br />Yn n <br />6 <br />4 <br />O.1 0.2 0.3 <br />HORIZONTAL DISPLACEMENT- INCHES <br />SAMPLE TYPE COMPOSITE FROM SF£L8Y <br />TUBE SAMPLE <br />THICKNESS 1 . 0 IN DIAMETER 2.5 IN <br />STRAIN RATE 0.02 IN/MIN <br />SAMPLE <br />MOISNPE <br />DRY <br />NORMAL <br /> <br />BORING <br />DEPIN CONfEM <br />~ DENSITY <br />PCF STRESS <br />KSF <br />COMP - 9.8 80 2.0 <br />COMP - 9.8 79 4.0 <br />COMP - 9.8 79 8.0 <br /> <br />• <br />LL <br />H <br />Y 2 <br />N <br />W <br />N <br />oe <br />a <br />W <br />N <br />NORMAL <br />STRESS <br /> <br />KSF PEAL! <br />SNFAR <br />STRESS <br />KSF RESIDUAL <br />SNEAR <br />STRESS <br />NSF <br />2.0 1.993 1.681 <br />4.0 3.110 2.769 <br />8.0 6.266 5.700 <br /> <br />Peak ~ 34° <br />Residual ~ <br />---- PeakC 400 <br />I 2 4 6 <br />NORMAL STRESS - KSF Residual C <br />SAMPLE DESCRIPTION: COAL REFULS, MOIST, BLACK <br />REMARKS: COMPOSITE SAMPLE (+3/8 INCH MATERIAL REMOVED AND REPLACED WITH <br />JOB NO. 22,478 <br />Direct Shear <br />Test Results FIG. B-S <br />