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• _ _ . s ~~- <br />TABLE IV <br />PHYSICAL PROPERTY TEST RESULTS: UPPER WHEELER RooF <br />m <br />L1 <br />a <br />r <br />s <br />a <br />z <br />s <br />H <br />2 <br />r <br />Physical Property N R z Sx <br />Uniaxial Compressive Strength, MPa 2 36.7-108 72.4 50.4 <br />Eleatic Modulus, GPa 2 4.82-16.7 10.8 8.4 <br />Int <br />r <br />l P <br />i <br />ti N/A <br />e <br />na <br />r <br />c <br />on - ~- <br />C <br />h <br />!0' <br />i N <br />o <br />es <br />on, <br />a /A +- --- <br />Direct Shear Strength, HPa 2 5.13-21.9 13.5 11.9 <br />Brazilian Tensile Strength, lea 2 2.95-3.85 3.40 0.64 <br />Flexural Strength, Ida 2 2.81-4.67 3.74 1.32 <br />Sulk Density 2 2.28-2.39 2.34 0.08 <br />Porosity, x 2 4.8-5.9 5.4 0.8 <br />Moisture, x 2 1.0-1.3 1.2 0.2 <br />Slake Potential 2 VVfI a <br />Swell Potential 2 p a <br />N <br />O~ <br />