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n <br /> D <br /> r <br /> n <br /> C: <br /> r <br /> D <br /> Veneer Cover Stability: <br /> Wedge Stability-Determination of Yield Acceleration Q <br /> Project Name: Corral Hollow Z <br /> Project Number: 143515 W <br /> calculation By: Scan Flores <br /> Date: 3127/2012 <br /> m <br /> Checked By: Pam Thomas Date: 04/03/2012 r <br /> Are you working in SI units? no <br /> Units Description ofVariabie D <br /> W. 0054 Ib Total Weight of Active WedgeL n <br /> W, 747,9 - ib Total Weight of Passive Wedge s —b+ U2 _Q,aC n <br /> N„ ,.,�B9f�}., ib Effective Force of Active Wedge Normal to the Failure Plane FS <br /> 2a r <br /> M <br /> gamma 112.0 pcf Unit Weight of Cover Soil <br /> h 2.0 h Thickness of Cover Soil <br /> L 25.0 ft Length of Slope Measured Along Goomembrane t r _ VWU -i <br /> Beta 18.4 deg Slope Angle a :a. Ib/ft Z <br /> Phi 32.0 deg Friction Angle of Cover Soil b Ib/1t <br /> delta 21.0 deg Interface Friction Angle Between Cover Soil and Geomembrane c _ Ib/ft D <br /> C. Ib Adhesive Force Between Active Wedge Cover Soil and Geomembrane r <br /> C. 0.0 psf Adhesion Between the Active Wedge Cover Soil and Geomembrane a=(.CWA+NA sing)cos/f+C tVp cos,6 C <br /> C ......,_.._. Ib Cohesive Force Along the Failure Plane of the Passive Wedge b=—t(C,WA+NA sin)3.)sin F tan 0+(NA tan d+re)fcos)3)"+(C+SVP tan Di co.•jtj r <br /> c 0.0 1 psf Cohesion of the Cover Soil c=(NAtanS+Calcosftsin#tanO —D-1 <br /> CSY 0.154 g Seismic Yield Acceleration 0 <br /> C,WAIb Seismic Force of Active Wedge Z <br /> C,Wv "-i-IA ib Seismic Force of Passive Wedge <br /> FS Factor of Safety Against Cover Sliding on the Geomembrane <br /> Comments Notes: <br /> h <br /> WA—Yh'�h—singFI``i) Ca=Ca�E—sin/1� <br /> Yh2 <br /> tvp=sin 2fJt C sin A <br /> NA=WA cos ft <br /> I n5tructions ford t rminine the Yield Acceleration for Deformation Analysis: <br /> Use the"Solver"add-on tool under the"DaW"tab.Set Objective to cell 58527,and use the radio button to select: <br /> "vatueof"and enter 1,then select ten$8524 for the"By Changing Variable Cells,"and then press the"Solve"button. <br /> Reference: <br /> Koerner,R.,&Soong,T:Y.(1998).Analysis of Design Veneer Cover Solis,Retrieved December 23,2011,from Landfill Tech:http:llwww.landi ittech.net/Article/UploadFiles/2009n/20091107O9114338.p& <br />