Geotechnical Engineering · Lesson 18 of 27

Earth Dams and Embankments

How earth dams hold water with an impervious core and pervious shells, how to trace the phreatic line as a basic parabola, compute seepage through the body from q = k H (Nf/Nd) and from Kozeny q = k y0, check piping with the critical hydraulic gradient, size a graded filter by Terzaghi's rules, and judge which embankment slope governs.

15 min read · Super Ea