ASTM D7380/D7380M is the standard test method for soil compaction determination at shallow depths using a 2.3-kg [5-lbm] dynamic cone penetrometer. It provides a practical way to evaluate near-surface compaction conditions where shallow soil support matters for construction and quality control. For teams comparing field results or specifying testing procedures, ASTM D7380/D7380M helps bring consistency to how shallow-depth compaction is assessed and documented.

Overview of ASTM D7380/D7380M

This ASTM standard focuses on measuring soil compaction at shallow depths with a dynamic cone penetrometer of specified mass. Its technical context is centered on field testing of near-surface soil conditions, where a repeatable method is needed to judge whether compaction is adequate for planned work. ASTM D7380/D7380M is commonly used as a reference for testing procedures, data comparison, and project documentation when consistent shallow-depth assessment is important.

Common use cases of ASTM D7380/D7380M

ASTM D7380/D7380M is commonly used during field evaluation of compacted soil layers, backfill, subgrade preparation, and other shallow earthwork conditions. It is relevant when a project needs a standardized approach for checking near-surface soil response with a dynamic cone penetrometer. The method can support construction verification, spot checks, and acceptance-related testing where shallow compaction performance needs to be measured in a consistent way.

Benefits of using ASTM D7380/D7380M

Using ASTM D7380/D7380M can improve consistency in field testing and help reduce uncertainty when evaluating shallow soil compaction. A recognized ASTM method supports clearer communication between owners, contractors, and testing personnel, especially when results are used for quality control or project records. It also helps standardize equipment choice and test approach, which can make procurement, compliance checks, and result comparison more straightforward across different sites or projects.

• Shallow-depth soil compaction evaluation
• Dynamic cone penetrometer-based field method
• Support for quality control and verification
• Consistent test documentation and comparison