Taylor-charts - Taylor Charts Types of Failures Taylor...

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Unformatted text preview: Taylor Charts Types of Failures Taylor Charts FS d c tan c d tan d FS c c c d FS tan tan d FS with respect to cohesion FS with respect to friction If c d and d developed at the same time: FS = FS c = FS Taylor 1 Only for = 0 (only developed cohesion happens) Problem: find FS c or inclination I Depth of failure may be limited by a hard stratum (assume d as the depth to the hard stratum) Depth factor (D) = d/H (H = height of slope) Only for short term analyses (total stress) No seepage forces (no effective stresses) 2 cases: a) Base failure (where n s a factor that multiplied by H gives the distance from the toe where the failure will happen) use full line (i lines) of chart B) Base failure is limited by a ditch forced toe failure d = H so D = 1 use long dashed lines Short dashed lines gives you n values Taylor 1 for = 0 FS c c N S H 1. Indentify your case 2. Enter D 3. Intersect with i curve 4. Read stability value 5. Calculate FS c 6. If n < 0 slope (face) failure N s c d H 0.181 Taylor 2 Use for soil has friction component fuly mobilized F S = 1 Find FS c If > 0 both charts could be used if D = 0 or D = Depth of failure may be limited by a hard stratum (assume d as the depth to the hard stratum) Depth factor (D) = d/H (H = height of slope) Only for short term analyses (total stress) No seepage forces (no effective stresses) 2 zones: Zone A: toe failure, steeper slopes use full lines of d Zone B: 3 cases:...
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Taylor-charts - Taylor Charts Types of Failures Taylor...

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