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Field Services: Soil testing

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Test Method Title

Standard Method of Test for Repetitive Static Plat Load Tests of Soils and Flexible Pavement Components for Use in Evaluation and Design of Airport and Highway Pavements

Reference Number

AASHTO T 221

Material

Field Soil

Test Property

bearing load

Description of Test

Several bearing plates (from largest to smallest) are placed on top of a surface of soil. Dial gauges are placed on top of the bearing plates to record vertical deformation. A load is applied to yield a given deflection and the load is maintained then released and the rebound is observed This is repeated 6 times reaching the same deflection each time before needing to increase the load to achieve a higher deflection.

Preferred Test Sample Size

6 feet in diameter

Number of Test Specimens

project specific

Test Specimen Size

3 feet diameter

Keywords

plate load

For more information, contact GeoTesting Express:



Atlanta

770.645.6575


Boston

978.635.0424


Chicago

224.676.1371


New York

212.566.6630



info@geotesting.com

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