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<br />e <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />.. <br /> <br />e <br /> <br />EM 1110-2-1913 <br />31 Mar 78 <br /> <br />Table 3-1. (Continued) <br /> <br />Test Remarks <br /> <br />Compaction (Continued) <br /> <br />Shear strength <br /> <br />c. Where embankment is to be semi- <br />compacted, perform 15-blow <br />compaction tests <br /> <br />a. Pocket penetrometer, laboratory <br />vane, and miniature vane <br />(Torvane) for rough estimates <br />b. Unconfined compression tests on <br />saturated foundation clays <br />without joints or slickensides <br />c. Q triaxial tests appropriate for <br />foundation clays, as undrained <br />strength generally governs <br />~tability <br />d. R triaxial and S direct shear: <br />Generally re~uired only when <br />levees are high and/or founda- <br />tions are weak, or at loca- <br />tions where structures exist <br />in levees <br />e. Q, R, and S tests on fill mate- <br />rials compacted at appropriate <br />water contents to densities <br />resulting from the expected <br />field compaction effort <br /> <br />3-3 <br />