soil plastic limit
1Plastic and liquid limits of clay minerals — ▪ Table Plastic and liquid limits of clay minerals (water content in percent) plastic limit liquid limit kaolinite Na 26 52 kaolinite Ca 36 73 illite Na 34 61 illite Ca 40 90 montmorillonite Na 97 700 montmorillonite Ca 63 177 …
2Shear strength (soil) — Shear strength in reference to soil is a term used to describe the maximum strength of soil at which point significant plastic deformation or yielding occurs due to an applied shear stress. There is no definitive shear strength of a soil as it… …
3Atterberg limits — The Atterberg limits are a basic measure of the nature of a fine grained soil. Depending on the water content of the soil, it may appear in four states: solid, semi solid, plastic and liquid. In each state the consistency and behavior of a soil… …
4Optimum water content for tillage — The optimum water content for tillage (OPT) is defined as the moisture content of soil at which tillage produces the largest number of small aggregates. Contents 1 Overview 2 Relationships between water content at field capacity (FC) and Plastic… …
5solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
6Geotechnical investigation — Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil and rock around a site to design earthworks and foundations for proposed structures and for… …
7Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …
8Quicksand — is a colloid hydrogel consisting of fine granular matter (such as sand or silt), clay, and salt water. In the name, as in that of quicksilver (mercury), quick does not mean fast, but alive (cf. the expression the quick and the dead ). Water… …
9Plasticity (physics) — Plastic material redirects here. For the material used in manufacturing, see Plastic. Continuum mechanics …
10environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …