EFFECT OF FIELD MOISTURE CONTENT ON PENETRATION INDEX VALUE OF DYNAMIC CONE PENETROMETER IN ALLUVIAL SOIL SUBGRADES
Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.6, No. 7)Publication Date: 2017-07-30
Authors : Daljeet Singh; J.N.Jha; K.S.Gill;
Page : 327-333
Keywords : DCP; CBR; DCPI; PI; Field Moisture Content and Correction Factor.;
Abstract
Dynamic Cone Penetrometer is an ideal instrument for testing subgrade and embankment compaction and it insitu California Bearing Ratio (CBR). The Dynamic Cone Penetration Index (DCPI) value has valid correlation with CBR. The relation has higher value of coefficient of determination, denoted as R 2 , for non-cohesive soils dry soils. The fine grained alluvial soils having some Plasticity Index (PI) value shows the lower R 2 value. The Various alluvial soil samples having PI value from 0 to 10 were tested for finding the moisture correction factor so that DCPI values can be correlated with In-situ CBR at different field moisture conditions.
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