Compaction Tests

Compaction Tests - Moisture Unit Weight Relationships...

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Moisture – Unit Weight Relationships Compaction Test Vanessa Barela Student ID# 900240959 Group Members: Christine Dwyer, Anthony LeBaron, Sarah Gonzales, Phil Simmons Date of Test: 13 Feb 2007 and 15 Feb 2007 Date Submitted: 25 Feb 2007
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Introduction The compaction test is used to determine the moisture content of a soil sample. Te test is run per ASTM D 698-78 standard and the molds are created to meet that standard. The standard compaction test is called the Proctor test [1]. From the information that is obtained for the test, a curve can be created that is used to find the optimal moisture content. Theory The Proctor test is a standard compaction test. The test needs to be conducted with three kilograms of soil that passes through a #4 sieve, which is then mixed with water. After the soil is mixed with the water, there are twenty-five blows per layer with a rammer that uses 24.5 N of force. The test is repeated several times with different moisture contents. With all of the data collected, a graph can be constructed and the Optimal Moisture Content can be determined. The Proctor Test can be modified to create a Modified Proctor Test, which allows
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Compaction Tests - Moisture Unit Weight Relationships...

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