SOIL TESTING

Soil Testing

SOIL COMPACTION TESTING SERVICES

For White Plains, Bronx and Brooklyn, NY

Most civil engineering projects require the use of soil as filling material. It is necessary for the soil to be compacted to a dense state so that satisfactory engineering properties can be acquired. To test the quality of your soil, our dedication team will complete a soil compaction test. Our soil division has equipment for conducting this test.

The compaction tests help to make conclusions about the mechanical properties of a soil, including the relationship between dry density and moisture content for a given degree of compactive effort achievable; moisture content at which maximum dry density is achievable; and value of the maximum dry density achievable.
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PROCTOR TEST (ASTM D1557-91)

The Proctor Test determines the maximum density of soil needed for a specific job site. The test determines the maximum density achievable for the materials and uses this figure as a reference. Secondly, it tests the effects of moisture on soil density. The soil reference value is expressed as a percentage of density. These values are determined before any compaction takes place to develop the compaction specifications.
SAND CONE TEST (ASTM D1556-90)
A small hole (6″ x 6″ deep) is dug in the compacted material to be tested. The soil is taken out and weighed, then dried and weighed again to determine its moisture content. A soil’s moisture is calculated as a percentage. The specific volume of the hole is determined by filling it with calibrated dry sand from a jar and cone device. The dry weight of the soil removed is divided by the volume of sand needed to fill the hole.  
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