Figure 14. Schematics of barrel tests on EOD pad

SR96_22
Page Navigation
18

Figure 13 (cont`d). Hydraulic conductivity barrel test cells on the EOD pad.

native gravel and sand. To estimate the hydraulic

the test barrel. Water was then added until the in-

conductivity of the bare gravel pad without either

filtration rate was about constant. The barrel was

then filled again with water to the 30-cm level and

the sediment or the peaty silt liner, the barrel (Fig.

the rate of infiltration into the test pad was mea-

14a) was filled with water obtained from Eagle

sured. To estimate the hydraulic conductivity of

River Flats (near the edge of the EOD pad) to a

the ERF sediment on the gravel surface of the EOD

depth of about 30 cm. This water was allowed to

soak into the pad to saturate the gravel beneath

pad, water from the Flats was placed in the barrel

Water

Bentonite-sand

Grout

(typical)

Hsludge

Hsilt

Hgravel

Gravel

Sl d

b. Sediment on gravel.

a. Water on gravel (unmodified pad).

c. Sludge on peaty silt.

Figure 14. Schematics of barrel tests on EOD pad.