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~~~ <br />SMITH WILLIAMS CONSULTANTS, INC. <br />Project: OSA Stability Analysis Job No. 1125C <br />Calculation Title: Squaw Gulch and East Cresson Stability Calculations <br />Date: <br />~~ <br />For wedge failure surfaces, search blocks/lines/points are used to define a zone of weakness, where <br />failure is likely to occur. Slide conducts a searching routing, limited by block/line/point boundaries. <br />RESULTS: <br />The results from the stability analyses are attached to this calculation sheet and indicate the <br />following: <br /> <br /> <br />F <br />ili <br />ac <br />t Section T e of Failure Static FOS Pseudostatic FOS <br />Squaw Gulch A Circular 1.8 1.4 <br /> Wed e 1.8 1 <br />5 <br /> . <br /> A Circular 1.9 1.5 <br />East Cresson Wed e 2.0 1.6 <br /> B Circular 1.8 1.5 <br /> Wed e 1.9 1.5 <br />The cross sections under consideration can be referenced on Drawings A100 and A110. <br />References <br />Hynes, M.E. and Franklin, A.G., 1984. Rationalizing the Seismic Coefficient Method, U.S. <br />Department of the Army. Waterways Experiment Station. U.S. Army Corps of Engineers <br />(USAGE). Miscellaneous Paper GL-84-13. <br />Rocscience (2007). Users Manual Slide Version 5.0, Rocscience. <br />Spencer, E., 1967. A Method of Analysis of the Stability of Embankments Assuming Parallel Inter- <br />Slice Forces. Geotechnique, Vol. XVII, No. 1, pp. 11-26. <br /> <br />