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�; ;��� �!:v0'� �1�VILSC��•!.ln�C. <br />Standard �lcthod (or Partidc-Sirc An.ilysis of Soils. Gcncrally, thc grain-sizc analyses consisted <br />of the coarsc-oraincd frxtion of thc samples only, and were obtained by sicving (sievc anal}sis). <br />Thc grain-sizc distributions wcrc uscd to assist in classifyino soils :md to providc correlations <br />���ith soil properties. Results of thc grain-size analyses are plotted on the grain-sizc dislribution <br />curves prescnted in Pigures B-1 through B-3. Along with thc grain-sizc distribution is a <br />tabulatcd summary containing the samplc dcscription and thc natural water content. <br />[3.5 A'C77?R131'sRG LID111'S DL1'LR�7INATIONS <br />Liquid and plastic Atterbcrg Limits ���cre dctcrmined on sclectcd samples of fine-grained soil <br />obtained in the borings in general accordance with ASTM Designation D 4313, Standard "l�est <br />1�lclhod for Liquid Limit, Piastic Limit, and Plasticity lndcx of Soils. Thc Atterberg Limits <br />includc Liquid Limit (LL), Plastic Limit (PLI, and Plusticity Index (PI=LL-PL). Thcy arc <br />ecncrally uscd to assist in classification o( soils, indicatc soil consistcncy (whcn comparcd with <br />natin�.il water content), and providc coRelation to soil properties including compressibiliry and <br />su'cngth. <br />"fhc results of the Attcrbcrg Limits detcrmina�ions are sho���n on the appropriatc borings logs in <br />Appcndi� r\, and on the plasticity chart presented in Pigures B-4 through B-6. <br />13.( I2EFLRLNCG <br />Amcric:m Socicty for Testing and Matcrials (ASTM), 2002. Annual book of ASTM standards: <br />S��il and rock, huil�lin�� stonc: ��cos�•nthctics: Philadciphia, Pcnn., v. 04.OS. <br />±�. �.Op W l.lex. F I�\ U:.+�,. 141 <br />� _'1 <br />'_' l -1-09G�1�1-005 <br />