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Скачать с ютуб Hydrometer Test of Soil |ASTM D7928 |Particle Size Distribution|Calibration of Hydrometer | Vhb| Hm. в хорошем качестве

Hydrometer Test of Soil |ASTM D7928 |Particle Size Distribution|Calibration of Hydrometer | Vhb| Hm. 9 дней назад


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Hydrometer Test of Soil |ASTM D7928 |Particle Size Distribution|Calibration of Hydrometer | Vhb| Hm.

The hydrometer method is used to determine the particle size distribution of fine-grained soils according to ASTM D7928. It is one of the commonly used methods to accurately determine particle size distribution of a soil sample. Hydrometer analysis based on Stokes' law to calculate the size of soil particles from the speed at which they separate from liquid suspension. The test is performed on material passing the No. 10 (2.0-mm) or finer sieve (N0. 200) and the results are presented as the mass percent finer of this fraction versus the log of the particle diameter.

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