Laserfiche WebLink
-4- <br />TABLE 1. Physical property determinations for coal. <br /> Passive Angle of <br /> Depth Pressure Internal Specimen <br /> Range Coefficient Friction Cohesion <br />location ft (Tan6 (~) ~- si <br />2nd East 0-1000 5.963 45.5° 785 <br />10 + 00 Beltline <br /> 0-2000 3.539 34.0° 1240 <br />3rd East 0-1000 7.075 48.8° 782 <br />5 + 00 2nd Right <br /> 0-2000 4.297 38.50 1240 <br />ALL Coal 0-1000 6.525 47.2° 783 <br /> 0-2000 3.919 36.40 1240 <br />