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ASTM D 422-63 PDF

() ASTM D Standard Test Method for Particle-Size Analysis of Soils. West Conshohocken, PA. This test method covers the quantitative determination of the distribution of particle sizes in soils. The distribution of particle sizes larger than 75 micrometers . American Society for Testing and Materials ASTM. Current edition approved Oct. 15, Published October 8 р. This test method.

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Solutions should be prepared frequently at least once a month or adjusted to pH of 8 or 9 by means of sodium carbonate. This mass is equal to the total percentage retained on the No.

This option is mobile friendly and compatible with all devices, including mobile tablets and smart phones. A dispersing agent is used in the water, however, and the speci?

Such a device is illustrated in Fig. This water must be removed, either by using a water trap on the air line, or by blowing the water out of the line before using any of the air for dispersion purposes. When the soil is mostly sand the sample should be approximately g.

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ASTM D —63 () Test Method for Particle-size Analysis of Soils (PDF Download)

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Hygroscopic Moisture Correction Factor When the air-dispersion tube is used, it shall be so indicated in the report.

In cases where the work is performed in a room at astm d 63 automatically controlled constant temperature, the water bath is not necessary. Values of K for a range of temperatures and speci? Stir for a period of 1 min.

ASTM D 422 63 DOWNLOAD

For the remaining sieves, continue the calculations in the same manner. Dimensions of both hydrometers are the same, the scale being the only item of difference. Measurement of the axtm corrections may be made at two temperatures spanning the range of expected test temperatures, and corrections for the intermediate temperatures calculated assuming a straight-line relationship between the two observed values.

This standard is subject to revision at any time by the responsible technical committee asgm must be reviewed every? Distribution of the PDF is not permitted.

ASTM D 422 – 63 (Reapproved 2007) Standard Test Method for Particle-Size Analysis of Soils

Disperse the soil according to the following schedule: Replaces D — Dimensions of both hydrometers are the same, the scale being the only item of difference. The fractions smaller than the No.

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Determination of Composite Correction for Hydrometer Reading 7. For a given hydrometer and sedimentation cylinder, values vary according to the hydrometer readings.

D — 63 Reapproved. Nominal Diameter of Largest Particles, in. Add together the fractional masses retained on adtm the sieves, including the No. A full set of sieves includes the following Note 6: Values shown on the scale are computed using a speci? A number in parentheses indicates the year of last reapproval.

ASTM D – 63()e2 Standard Test Method for Particle-Size Analysis of Soils (Withdrawn )

A air gage must be on the line between the cup and the control valve. Percentages of Soil in Suspension From these two masses the percentages retained and passing the No. The shaft shall be equipped with a replaceable stirring paddle made of metal, plastic, or hard rubber, as shown in Fig.

The distribution of particle sizes larger than 75?