Cone penetration model test on clay with low liquid limit
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Abstract:
Form the static cone penetration model test of clay with low liquid limit, the relationships among the tip resistance, side friction, specific penetration resistance, dry density, and water content were determined as well as the variation law of the above parameters. T he results showed that (1) the tip resistance has good correlation with the specific penetration resistance, and the tip resistance is 0. 86~ 0. 92 times of the specific penetration resistance; (2) variation of the stress mechanism for the surround2 ing soil of probe is the main reason for the generation of critical depth; (3) under the same water content, the tip resistance has a logarithmic relationship with the dry density in the rectangular coordinate system, and there is a linear relationship between log tip resistance and log dry density; and ( 4) under the same dry density, the tip resistance has a negative correlation with wa 2 ter content, and the linear relationship between the tip resistance and water content becomes weaker with the increasing of dry density.
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