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' „' ± $EEGMILLER INTERNATIONAL III - S <br />Mem~c Geortc+oarx Ca6uuAlllS i Ems <br />UNIAXIRL COMPRESSIVE STRENGTH AND ELRSTIC MODULUS <br />Somple No. WCL-8A-U/E-4 Client STORM RING pate 8/30/83 <br />Somple Size 60.90mm dia. x 128.Omm Surface Areo 2,910mm2 Tested by BDBfiJSS <br />PRE-TEST DESCRIPTION : COAL-LOWER SEAM(Hole No. BA, 1076.5'): Clean; generally <br />brittle and vitreous; no visible resin; vertical cleat set; <br />irregular discontinuous fractures visible on end surfaces; <br />fair streagth appearance; good edges and end surfaces; core <br />diameter varies from top to bottom; moderately good sample. <br /> <br />• <br />N <br />N <br />W <br /> <br />f v <br />N <br />N <br /> <br /> ~ <br />- <br />~ <br />~ <br />~~ <br />~ <br />± ~ ~ <br />~ <br />_. <br />_-__ <br />__ <br />_ <br />.- - --- .i_ _ <br />...._ <br />.. <br />-.... <br />-'----~-'-~-----'-------..1_ __..._......i ... <br /> ,. <br />~ <br />' i <br />.. <br />_-_------ <br />----------_ ------- <br />- <br /> <br /> <br /> <br />r-- -- <br /> <br /> <br /> <br /> <br /> <br />_ _ . __ 1- :.: _-: -- - t .: .::. :.: :: " :.: ------- <br />- -i -------~-~- - ~ <br /> <br /> <br />- , -- <br /> : <br /> , <br />--- <br />~~ <br />1 <br />... <br />._-. <br />---~-~--- <br />- ~-------+-.._.._._ ._;-. _ <br /> <br /> <br />._ ....j ... _.. _ {_ __ __ I.. <br />- _ ~ - - <br />_ _ ~ . _ 1 <br />~~ <br />0 <br />2 4 6 8 <br />STRAIN. ~/~ X 1D e <br />TEST COMMENTS : <br /> <br />force of Foilure <br />Tangent Modulus <br />Excellent Test: Stepwise failure; near conjugate shear surfaces <br />(a=23°, a=23°) extended through sample length; additional vertical <br />tension fractures; considerable crumbling occurred; one large piece <br />plus fragments. <br />26.0 kN Unio>cial Compressive Strength 8.92 MP <br />2.22 GPa S~eent Modulus N/A <br />Modulus Ratio N/A Stiffness N/A Poisson~s Ratio N/A <br />