plasticity index


Also found in: Acronyms.

plasticity index

[plas′tis·əd·ē ‚in‚deks]
(geology)
The percent difference between moisture content of soil at the liquid and plastic limits.

plasticity index

Numerical difference between the liquid limit and the plastic limit.
References in periodicals archive ?
9 respectively, and simulate the fractal roughness parameters G* and plasticity index [empty set] 's impact on the total dimensionless normal contact stiffness.
Their equations are also based on a modified hyperbolic model, which includes some variables namely shear strain amplitude, confining pressure, and plasticity index (PI).
63 Grain size: Sand 11% Silt 42% Clay 47% Consistency limits: Liquid limit 84% Plastic limit 29% Plasticity index 55% Compaction (Standard Proctor): Maximum dry density, MDD 11.
9 Standard tests for Limit Liquid, Plastic Limit and Plasticity Index of soils.
This result supports the aforementioned Atterberg limit test in which Datu Salomay also obtained the highest plasticity index.
6 [less than 0 3 or equal to] [phi] [less than or equal to] 2 mm) Gravel ([phi] > 2 mm) 1 1 Atterberg Liquidity limit (LL) 59 35 Limitg (%) Plasticity limit (LP) 38 31 Plasticity index (IP) 21 4 Specific gravity [[gamma].
The plasticity of clays can also be described by terms which include Atterberg limits and plasticity index.
Addition of the Plasticity Index to the regression equation accounted for an additional 14.
The typical plasticity index of the subsoil is between 60-80% and the permeability of the soft subsoil is typically [10.
Tenders are invited for Supply And Stacking Of Fine Aggregate (Binding Material For Wbm) Having Plasticity Index (Pi) Value Of Less Than 6 As Per Morth Specification For Departmental Execution Of Wbm Works Between Km 15.