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1.1 This test method covers the procedure for the determination of the number of drops required for a dynamic cone penetrometer with a 5-lb (2.3-kg) drop hammer falling 20 in. (508 mm) to penetrate a certain depth in compacted backfill.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 13.080.20 : Physical properties of soils 93.020 : Earthworks. Excavations. Foundation construction. Underground works |
| Number of pages | 9 |
| Replace | ASTM D7380-08 |
| Set | ASTMVOL0409 |
| Year | 2015 |
| Document history | ASTM D7380-08 |
| Country | USA |
| Keyword | ASTM 7380;ASTM D7380;ASTM D7380;10.1520/D7380-15 |