Designation:D–09Standard Test Methods for Laboratory Determination of For referenced ASTM standards, visit the ASTM website, , or. Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimen. 15 Feb ASTM D()e1. Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimens. standard by ASTM.
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Specimens are usually cubical or cylindrical in shape. NOTE 6—Thewatercontentmaybedeterminedfroman adjacentpiece ofsoilorfromtrimmingsifappropriate,forexample,ift hewaxbecomes difficulttoremovefromthe specimen.
Wet soils tend to be more plastic and subject to compression. Referenced Documents purchase separately The documents listed below are referenced within the subject standard astm d7263 are not provided as part of the standard. Dry density measurements are also useful for determining degree of soil compaction.
When particle density, that is, specific gravity Test Methods D is also astm d7263, dry density can be used to calculate porosity and void ratio see Appendix X1. Work Item axtm – proposed revisions of this standard. We share information about your activities on the site with our partners and Google partners: If,aftercompletionofateston an intact specimen, visual observations indicate that larger particlesthanpermittedarepresent,indicatethisinformationin the remarks astm d7263 of the report of test data.
Hence, the water content of the soil should be determined at the time of sampling. When the astm d7263 condition permits, a vertical trimming lathe may be used to reduce cylindrical specimens to astm d7263 uniform diameter. It is common for the density unit weight of specimens after removal from sampli ng tubes and compaction molds astm d7263 be less than the value based on tube or mold volumes, or of in-situ conditions.
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Referenc Referenced ed Documents 2. Since soil volume shrinks with drying of swelling soils, bulk density will vary with moisture content. Dry density values are usually used in conjunction wit h compaction curve values Test Methods DandD Specimens that are remolded by dynamic astm d7263 static compaction procedures may also be measured by these methods. In order astm d7263 directly measure the submergedmassofthewetsoilandwax,thebalancemusthave been previously balanced tared to zero with the wire basket completely submerged in the container of water.
Users of this standard are cautioned that compliance with Practice D does not in astm d7263 assure reliable results. The basket shall xstm constructed to prevent trapping air when it is submerged.
Specimens that are remolded by dynamic or static compaction procedures may also be measured by these methods. NOTE 1—The quality of the result produced by this standard is dependent on the competence of the personnel performing it and the suitability of the equipment and facilit ies astm d7263. It is the responsibility astm d7263 the user of this standard to establish appropriate safety, health, and astm d7263 practices and determine the applicability of regulatory limitations prior to use.
astm d7263 Intact specimens may be obtained from thin-walled sampling tubes, block samples, or clods. Since soilvolumeshrinkswithdryingofswellingsoils, bulkdensity will vary with moisture content. Sincemoist urecontent isvariable,moistsoildensityprovideslittle usefulinformation except to estimate the weight of soil per aastm volume, for example,poundspercubicyard,atthetimeofsampling.
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SITE To ensure the functioning of the site, we astm d7263 cookies. Reliable results depend on several factors; Practice D provides a means of evaluating some of these factors.
NOTE 8—Some soils may expand into the astm d7263 tube with a resultant change in volume from the original in-situ condition. After a specimen is formed, trim if necessary the ends perpendicular to the longitudinal axis, remove the mold, and determine the mass and dimensions of the test specimens inaccordancewith7.
Specimens that are remolded by dynamic or static compaction procedures may also be measured by these methods. Active view current version of standard. astm d7263
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Terminology NOTE 2—The waxes generally used are commercially available and 3 have density values in the range of 0. This is done by placing the specimen in a wire basket astm d7263 in a container of water. These methods apply to soils that will retain their shape during the measurement process and may also apply to other materials such astm d7263 soil-cement, soil-lime, soil-bentonite or solidified soil-bentonite-cement slurries.
For methodA, the balance must be capable of measuring the astm d7263 3 NOTE 3—Circumferentialmeasuringtapesarerecommendedovercalipers for measuring the diameter of astm d7263 specimens. Work Item s – proposed revisions of this standard. NOTE 7—Coresamplingmightbedifficultorimpossibleingravelly or hard dry soils.
Compacted or remolded specimens shall be preserved in accordance with Practice D Group B soil.