ASTM D5918-13
- Standard Test Methods for Frost Heave and Thaw Weakening Susceptibility of Soils
- standard by ASTM International, 02/01/2013
- Publisher: ASTM
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1.1 These laboratory test methods cover the frost heave and thaw weakening susceptibilities of soil that is tested in the laboratory by comparing the heave rate and thawed bearing ratio2 with values in an established classification system. This test was developed to classify the frost susceptibility of soils used in pavements. It should be used for soils where frost-susceptibility considerations, based on particle size such as the limit of 3 % finer than 20 mm in Specification D2940, are uncertain. This is most important for frost-susceptibility criteria such as those used by the Corps of Engineers,3 that require a freezing test for aggregates of inconclusive frost classification. The frost heave susceptibility is determined from the heave rate during freezing. The thaw weakening susceptibility is determined with the bearing ratio test (see Test Method D1883).
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