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<br /> <br />EM 1110-2-1913 <br />31 Mar 78 <br /> <br />. <br /> <br />Table 3-1. Laboratory Testing of Fine-Grained Cohe ive Soils <br /> <br />Test <br /> <br />Visual classification and water <br />content determinations <br /> <br />Atterberg limits <br /> <br />Permeability <br /> <br />Consolidation <br /> <br />Compaction <br /> <br />Remarks <br /> <br />On all samples <br /> <br />"'" <br /> <br />.., <br /> <br />On representative sampl <br />tion deposits for cor <br />shear or consolidatio <br />and borrow soils for <br />natural water content <br />tions with optimum wa <br />maximum densities <br /> <br />Not required; soils can be assumed to <br />be essentially imperv ous in seepage <br />analyses <br /> <br />Generally performed on <br />foundation samples on <br /> <br />a. Foundation clays <br />compressible <br />b. Foundations under <br />are somewhat co <br />c.. Settlement of str <br />levee systems m <br />rately estimate <br /> <br />Not generally performed <br />instead use allowance <br />ment within levees ba <br />compaction. Sometime <br />correlations of Atter <br />with coefficient of c <br />can be used. Compres <br />usually be estimated <br />content. <br /> <br />a. <br /> <br />Required only for <br />semicompacted 1 <br />Where embankment <br />compacted, perf <br />25-blow compact <br /> <br />b. <br /> <br />(Continued) <br /> <br />3-2 <br /> <br />s of founda- <br />elation with <br />parameters, <br />omparison with <br />, or correla- <br />er content and <br /> <br />disturbed <br />where: <br /> <br />. <br /> <br />re highly <br /> <br />high levees <br />pres sible <br />ctures wi thin <br />st be accu- <br /> <br />on levee fill; <br />for settle- <br />ed on type of <br />satisfactory <br />erg limits <br />nsolidation <br />ion index can <br />rom water <br /> <br />compacted or <br />vees <br />s to be fully <br />rm standard <br />on tests <br /> <br />. <br />