Laserfiche WebLink
Morrison Quarry AM-07 Geotechnical Stability Exhibit <br /> DRMS Permit M-1973-021 <br /> Aggregate Industries WCR Inc <br /> South Quarry Morrison Quarry,Bench 6850,Section G.10+80-13+90 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set1(Primary 1)----------------------------------------------- 183-----------------------------80 ---5-------------175----------- --- ---------75---------- -- <br /> Set1------ary 1) --------------- ---- <br /> 72 <br /> Set 2(Primary 2)----------------------------------------------- 307-----------------------------------------------NW------------280-----------330---------65---------- -- <br /> Set 2------(Primary 2- ---- <br /> Set 3(Secondary 1) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 4(Secondary 2) --------------- --------------------------------- <br /> Set 4(Secondary --------------------------------------------- <br /> Set 5(Foliation) 197 20 SSW 170 230 10 30 <br /> Estimated Strength of Intact Rock Material: <br /> Designation: Compressive Strength Range Estimated in Field <br /> Very High(15)------------------------------->250 Mpa(>36_260 psi) <br /> ----------------- ------- ------------------ <br /> High(12)--------------------------------------100-250 Mpa(14,500.36_260 psi)----------------------------X------------ <br /> Medium High(7) ----------------------------50_100 Mpa(7,250-14,500 psi) ----------------X-- <br /> -------------------- -------------------------- ---------- <br /> Moderate(4) 25-50 Mpa(3,625-7,250 psi) <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Low(2)----------------------------------------5-25 Mpa(725.3,625 psi)------------------------------------- <br /> Very Low(1) 1-5 Mpa(145-725 psi) <br /> Estimated Drill Core Quality(RQD) <br /> Designation: RQD Percentage Range Estimated in Field <br /> Excellent Quality(20) 90-100% <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Good Quality(17) ---------------------------75_90% -------------------X <br /> --------------------- ------------------------- ------------ <br /> Fair Quality(13) -----------------------------50-75% -----------------------------X <br /> ------------------- --------------- ------------ <br /> Poor Quality(8) 25-50% <br /> ....................................................... <br /> Ivery Poor Quality(3) <25% <br /> Spacing of Discontinuities <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> Very Wide(20) ------------------------------>2m(>6.5 ft) - <br /> Wide(15)-------------------------------------0.6- ------------------------------X----------------------------------------------------------------X---- <br /> - <br /> ------- _2 m(2_6.5 ft)- - ---- <br /> Moderate(10)-------------------------------200-600 mm(8-24 in) X-------------------X--------------------------------------------X <br /> Close(8)--------------------------------------60_200 mm(2.4-8 in) ------X-------------------X <br /> ---------- ------------------------------------ --------------------------------------------------- <br /> Very Close(5) <60mm(<2.4 in) <br /> GEI Consultants, Inc. 49 of 122 Appendix C.2 <br /> November 2020 <br />