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PN: ?IIGG?(il' <br />November ?It, 'l1Ub <br />that the hiving ti)rces arc equal to the resisting lurces. which indicates that nunrment within the <br />soil can be triggereJ by unk slight irtcrcasrs in the Driving ti)rces or slight reductions in the <br />resisting li)rces. :1 ratio ofgrcatcr Than one I I I is an indication that the Driving ti+rces arc Icss <br />than the resisting li)rccs anJ the slum is nut moving. liner there arc nurnrrous variables and <br />incongruities within must soil masses, a slope is genrralh nut runsiJerrJ as stable until the ratio <br />is I > or greater. <br />1Vc usrJ \S I :1131. anJ Sl.OI)flN' slope stahility software A) evaluate the stahility of computer <br />modrlcJ slope Truss srrtiuns al~ select portions of this site. V1 e primarih used thc• MudilieJ <br />Bishop's SlrthoJ ul slices to analyrc the cuntputrr nu)Jcled slopes. \\'e further r~aluateJ the <br />stahility of the slopes un this sift using infinite slope stahility anahsis techniyurs. l hr ~tudilirJ <br />fiishup's \lethod i)I' dices evaluates the resisting anJ Driving (urcrs within slices of the sluprJ <br />soil mass along a theurrtiral semi-circular tailurc plant. hhc semicircular lailurc plant with Ihr <br />lutarst theoretical inrurr of salety is labeled the critical circle. <br />VF'e anuly~rJ the existing "global" stahility of the site along a general cross action of ihr slope <br />as part ufuur previous study at this site. Thr general global stuhiliq ufthc slope will he <br />somewhat uniform along the sloped arras. Irral instability. either existing, or due to ihr pn+pused <br />changes will guccrn the Jcsign critical path fix the amstntction of the pmpused n)adwvy. Uur <br />global stahility analysis is shown below. <br />f%4ting G~ebal Stoblll+y <br />10 moll crHlcol turtocu, MiNiMUU BISHOP rOS s 1.11aB <br />b0 <br />x <br />t;0 <br />i <br />T <br />1 <br />~ ~ ~ ~~ <br />0 .._-~ _ _ <br />10 d0 i6 ;Cq .!C )pp ]!0 u0 f00 <br />%-A%i5 (yd) <br />s TRAUTNER,IN~~~~~d:~ <br />A DIVISION OF TRIC.ONn 7:N <br />