Plastic and liquid limit tests

Plastic and liquid limit tests - Soil Mechanics Laboratory...

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Soil Mechanics Laboratory Liquid Limit and Plastic Limit Test Vanessa Barela ID # 900240959 Group Members: Sarah Gonzales, Christine Dwyer, Phil Simmons, Anthony LeBaron Test Date: February 01, 2007 Date Submitted: February 22, 2007
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Introduction According to the Atterberg tests, there are five limits suggested for the liquid limit and two limits for the plastic tests. The plastic limit is defined as the moisture content where the soil becomes non-plastic and the liquid limit is the moisture content where is behaving as a plastic material and almost a viscous liquid. These tests are important for soil strength, compaction density, and the classification of the soil. Theory The theory as described in class is tested using only clay soils that pass the #200 sieve. This soil is used in a cup that is sliced with a grove of 12.7 mm. The cup is dropped 10 mm at approximately 120 drops/minutes. The test is specified through the ASTM and AASHTO standards and includes standards for: the mixing of the soil, material for the
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Plastic and liquid limit tests - Soil Mechanics Laboratory...

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