1. Consider the cross section shown below. Assuming that all soils are homogeneous and...

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Accounting

1. Consider the cross section shown below. Assuming that all soils are homogeneous and isotropic, construct a flow net. What is the estimated seepage rate through the embankment per foot of embankment?

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2. Provide a free-body diagram of the earthen embankment (Soil Type 1) which shows the projected hydraulic pressure against the side of the embankment (assumed g = 62.4 pcf) as well as the uplift pressure along the bottom (use the flow net from question1).

ELEV. 166 E 25'- FEET SOIL TYPE 1 MAX DESIGN FLUID LEVEL: 161' CLEAR WATER WASTE PHOSPHATIC CLAYS (ASSUMED INFINITELY PERVIOUS) PERVIOUSELEV, 129 -SAND TAILINGS K = 5. 0 3 cm ............................ SOIL TYPE 4 STTTTTT ELEVATION SOIL TYPE 5 (ASSUMED IMPERVIOUS) 46 -180 / 120 - 160 - 1200 12401 280 3201 360 40 HORIZONTAL SCALE FEET ELEV. 166 E 25'- FEET SOIL TYPE 1 MAX DESIGN FLUID LEVEL: 161' CLEAR WATER WASTE PHOSPHATIC CLAYS (ASSUMED INFINITELY PERVIOUS) PERVIOUSELEV, 129 -SAND TAILINGS K = 5. 0 3 cm ............................ SOIL TYPE 4 STTTTTT ELEVATION SOIL TYPE 5 (ASSUMED IMPERVIOUS) 46 -180 / 120 - 160 - 1200 12401 280 3201 360 40 HORIZONTAL SCALE FEET

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