Embankment Dams: James L. Sherard Contributions

active faults ASCE asphaltic concrete Atterberg limits base soil base specimen borehole broadly graded caused ceramic tip CFRD clay core clay dams clayey coarse cohesionless compacted compressive concentrated leaks concrete slab conduit construction core material Creek crest settlement damage developed dispersive clay dispersive soils displacement downstream filter earth core earth dams earthquake embankment dams eroded erosion tunnels experience failure fault breaks finer flow Geotechnical Engineering gravel grout hole homogeneous dams horizontal hydraulic fracturing impervious core impervious sections impervious soils initial leak kg/cm² laboratory tests layer leakage channel liquid limit maximum measured membrane meters nondispersive occurred Oklahoma open cracks particles permeability pinhole test piping plasticity pore water pressure probably relatively reservoir filling reservoir water rockfill dam samples sand seepage Sherard sieve silts slope sodium Soil Mechanics spillway stress surface test pit vertical vibrating wire piezometers voids water content width Wister Dam Zone