from natural deposits or existing fills to assess how they will heave or collapse upon inundation. Test Method C : Focuses on loading-after-wetting
: Many university libraries and engineering firms provide access to the ASTM Compass portal for their members. Astm D4546-21 Pdf
Method C is widely used for loess, debris flows, and hydraulically placed fills. from natural deposits or existing fills to assess
The suffix "-21" indicates that the standard was last revised or reapproved in the year 2021. ASTM standards undergo periodic reviews to incorporate modern laboratory technologies, improve statistical precision, and clarify testing ambiguities. improve statistical precision