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What is plastic limit?

Updated: 4/28/2022
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7y ago

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The mass wetness at which the soil stiffens from a plastic to a semi rigid and friable state.
it is the water content at which soil begins to crumble on being rolled into thread of 3 mm diameter

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Juliet Olson

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2y ago
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Q: What is plastic limit?
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What is toughness index of soil?

shear strength of soil at its plastic limit


Why liquid limit and plastic limit are important?

The Atterberg limits of a soil are used as an integral part of several engineering classification systems to characterize fine-grained soils. Also these limits are used directly in specifications for controlling soil for use in fills, and in semi-empirical methods of design. A wide variety of engineering properties of soils have also been correlated to the liquid limit, plastic limit, and plasticity index of soils (i.e. Compressibility, Permeability, and Strength).


What is the consistency of soil at liquid limit and Plastic Limit?

zerozeroConsistency limits and plasticityConsistency varies with the water content of the soil. The consistency of a soil can range from (dry) solid to semi-solid to plastic to liquid (wet). The water contents at which the consistency changes from one state to the next are called consistency limits (or Atterberg limits).Two of these are utilised in the classification of fine soils:Liquid limit (wL) - change of consistency from plastic to liquidPlastic limit (wP) - change of consistency from brittle/crumbly to plasticMeasures of liquid and plastic limit values can be obtained from laboratory tests.


What is liquid limit?

The arbitary limit of water content that represents the boundary between the liquid & plastic state is called as liquid limit.


Is reusing plastic cups no 6 bad for you?

nah, buh u shud limit iht.


Is there an age limit at which most plastic surgeons will perform surgery?

I thought there would be an age limit but you're never too old to have plastic surgery. People have surgery well into their sixties and seventies, so it really all depends on what kind of overall health a person is in.


What is the degree of saturation at plastic limit?

more than 100%(over saturated but saturation is 100%) .....because shrinkage limit is smallest water content at which soil is saturated......means at shrinkage limit itself it posses 100% saturation ........


What is plastic limit in physics?

The term plastic limit speaks to the characteristics of (fine grained) soil and how it behaves with different moisture content. Let's keep it simple. If the soil is nearly saturated, it will be "very" plastic and will act like play dough. If it's dry, it crumbles. There are no plastic characteristics. Different soils (different clay, sand or whatever in their content) act a bit differently with the same moistue content. Some will still be more plastic than others with a given moisture content. That's where the lab comes in. A given soil sample will have to be experimented on to determine its plastic limit. Wikipedia has an article posted on Atterberg limits, which include this soil characteristic. As this is WikiAnswers, a link is provided.


What is internal plastic flow?

Until a metal reaches its elastic limit, it is undergoing elastic deformation. This means that the metal will regain its original dimensions when unloaded. Upon exceeding the elastic limit, the metal will become plastic and will not regain its original dimensions. A metal undergoes plastic flow when it experiences large deformations while loaded in the plastic region.


What are the equations between plastic limit and liquid limit?

The Liquid Limit can be tested for (see wikipedia) in different ways. One is with a liquid limit device you can use the equation LL=(W^n)*(N/25)^0.121 where w is the water content and N is the number of times the device was cranked


What criteria are applied to define a pure solid?

The material does not deform permanently / continuously when shear is applied (below the plastic limit).


Define properties of soil soil elements?

soil properties basically is the void ratio, porosity, specific gravity, dry unit weight, saturated unit weight, liquid limit, plastic limit and shrinkage limit which play a important role to support load.