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ENFORCE20007
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Entry Properties
Last modified
8/24/2016 7:24:18 PM
Creation date
11/21/2007 9:42:28 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Enforcement
Doc Date
5/17/1993
Doc Name
PN C-81-038 NOV C-93-030 OVWM PORTAL CUT SLIDE REPAIR
From
CYPRUS ORCHARD VALLEY
To
DMG
Violation No.
CV1993030
Media Type
D
Archive
No
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<br />M93040GE <br />anticipated gravitational forces that tend to drive the mass of <br />soil downhill and the anticipated internal strength of the soil <br />along the expected plane of failure that will resist the downhill <br />movements. If the driving forces are greater than the resisting <br />forces then failure is imminent. Failure can occur as slow <br />deformation, creep, or a somewhat spontaneous failure. <br />Factors that decrease the stability of a slope can generally <br />be classified as those that decrease the stress (driving force) on <br />the system or decrease the strength (resisting force) of the soil. <br />Factors that increase the stress may be increased by soil weight by <br />wetting or by loading or steepening the face of the slope. Factors <br />that decrease the strength of the soil may be increased by moisture <br />content of the soil and loosening of the slope soils by weathering, <br />erosion, and freeze/thaw cycles. <br />Our analysis of the slopes was based on Bishops Simplified <br />Method of Slices and "Effect of Soil Strength Parameters on <br />Stability of Man-Made Slopes" by Awtar Singh. The soil strength <br />characteristics used in our stability analysis were an internal <br />angle of friction of 16 degrees and a cohesion of 150 pounds per <br />square foot when wet and an internal angle of friction of 23 <br />degrees and a cohesion of 150 pounds per square foot when drained, <br />a wet soil density of 135 pounds per cubic foot and a drained soil <br />density of 125 Hounds per cubic foot were also used in our <br />analysis. <br />3 <br />~f,ambert anD ~,~saciates <br />:JvSULTING GEOTECH HIC AL EN GiH EEFS HND <br />wHTE HI.~L *ES TING <br />
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