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i <br />` SEEGMILLER INTERNATIONAL <br /><Nrec Gtoltoaov. CarautTNas i ENOeatns <br /> <br />II-3 <br />•UNIAXIRL COMPRESSIVE STRENGTH AND ELASTIC MODULUS <br />Sample No. <br />WCU-3.75-U/E-2 Client STORM RING MINES,INC. Date 9 29 83 <br />Sample Size 45.20mm dia <br />PRE-TEST DESCRIPTION: COAL(Hole N~. 3.75; 1,531.7'): 1}pper seam; clean; vitreous; <br />solid and dense sample; no visible cleats and fractures; <br />strong appearance; very good edges and end surfaces; excellent <br />sample. <br />0 <br />0 <br />.-i <br />N <br />• ~. <br />Ol <br />W <br />~ O <br />I' <br />~ ~ <br />N <br />0 <br />0 <br /> <br />- -- - a - - - - -- ~--- - -- --- - - - <br />- --- ;--- - ---- -I --- ----- <br />- ---- ---I -_- --_ - - ~ -_ ---- - <br /> <br />- ---- ~--- <br />- ---~ - <br />- - - - <br />- <br />1- <br />- <br />- <br />- - <br />_ <br />_ _ _ _-. _ <br />_ 1-_ <br />_ <br />~ ___ __ <br />___ <br />_ <br />_ <br />_ <br />_ <br />_. <br />_ ___.__._ ~ _ __ ___ -.l__.__ _. __ -- _~__ ___ <br />. _._.____l.___ . .____._~____._ _ --J_-__-___ . <br />_ _ _1 _. _ <br />_ .__ __ ____ __ <br />_ <br />_ <br />_ _ . <br />__-_ <br />t _ <br />_ __ ___ __ _ <br />._._.. <br />_ ___. I .._. _ _ _ ._~. _ ..__ .___ -___.___ { _ _ _.. <br />_ __.. _.a _ ______..~ _ _. . ... _._. 1_- __ .. ___~ _.. _.__ <br /> <br />I _ <br />. ..... .... <br />... ._ ~____ _.__ ._ ____ <br />___ _ __. __ <br />_.... I-_.___ . ___ ~.___. _ ___.-~ .___ __-____l_ <br /> <br />~ . _. ._ _ _ .. I _ . _ . .._ . _ . _ ~ _ _ _ _ . _. I. . <br />_' _.. .. <br /> <br />~ J <br /> <br />__ _._ __-. __.___ <br />t _. _ . <br />.___._.__y .. ._ __T <br />.. <br />--___ . __ _._-.. __, y <br /> <br />. __ ___a___.. _~~___ _-~ _ - _____... __. <br />~ <br />_ . . _ _... ~_- . <br />.. L <br />_ __ __t ___ <br />_._ _I____ _ _ <br />~ <br />_ - <br />._____ __- . <br />_ _- <br />_ <br />. .. <br />__ _ _ <br />_ <br />_ __ __.. __. _._ <br />__ <br />. _ <br /> _ - ~ <br /> <br />_. _ ..._ I _ <br />~ . ~ . _ _ _ _ _ <br />1 __ _. ._ <br />_.. ._.. ____. +._____ _ <br />. i _ __. _ _._ __ <br />__ ___ -. __ _ ._ 1 _ ..... _ <br />_ _. i .____ ._... _.__~ <br />. __ .. ____ _ _ _. __. _ y _ <br />{ I <br />__ <br />._ _.. _.__.__ ___ _.. .___. f_. <br />_.I .. _._. _... _ _ ____._~..__... <br />x 162.45mm Surface Areo 1,600mm2 Tested by RPSfiBDB <br />1.5 3.0 4.5 5.0 <br />STRAIN, mm/mID X 1D 9 <br />TEST COMMENTS <br />Forte Ot FOilure <br />Excellent Test: Stepwise failure; mildly irregular shear surface <br />(a-20°) extended diagonally across sample from end to end; additional <br />tension fractures(a~10°); two large pieces plus assorted smaller <br />pieces and fragments resulted. <br />19.0 kN Uniatti0l Compressive Strength 11.8 MPa <br />Tangent Modulus <br />1.28 GPa <br />Secant Modulus N/A <br />Modulus Rotia N/A Stiffness N/A Poisson~s Ratio N/A <br />