ASTM D4959 PDF

Heating1. This standard is issued under the fixed designation D ; the number 1 This test method is under the jurisdiction of ASTM Committee D on Soil. ASTM D Standard Test Method for Determination of Water Content of Soil By Direct Heating. standard by ASTM International, 01/01/. Standard Test Method for Determination of Water Content of Soil by Direct Heating.

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ASTM D4959 – 16

Users of this test method are cautioned that compliance with Practice D does not in itself ensure reliable results. For some soils, such as those containing significant amounts of halloysite, mica, montmorillonite, gypsum, or other hydrated materials, highly organic soils or soils that contain dissolved solids, such as salt in the case of marine depositsthis test method may not yield reliable water content values.

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Results of this test method have been demonstrated to be of satisfactory accuracy for use in field control work, such as in the determination of water content, and in the determination of in-place dry unit weight of soils. Active view current version of standard.

Drying by direct heating is one such method.

Performance of the test method utilizing another system of units shall not be considered non-conformance. Take the smart route to manage medical device compliance. You may experience issues viewing this site in Internet Explorer 9, 10 or Users of this test method are cautioned that compliance with Practice D does not in itself ensure reliable results.

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While not eliminating this possibility, the incremental drying procedure in this test method will minimize its effects. Some heat sources have settings or controls that can also be used to reduce overheating. This standard is not included in any packages. Worldwide Standards We can source any standard from anywhere in the world. Standards Subsctiption may be the perfect solution.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Link to Active This link will always route to the current Active version of the standard. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The quality of the results produced by this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Please download Chrome or Firefox or view our browser tips. A correction factor is valid when the difference is consistent for several comparisons, and is reconfirmed on a regular specified basis.

It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.

ASTM D4959

As the voice of the U. X4959 fitting covers or enclosures can also be used to reduce overheating while assisting in uniform heat distribution.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Performance of the test method utilizing another system of units shall not be considered non-conformance. While not eliminating this possibility, the incremental drying procedure in this test method will minimize its effects. For example, if four significant digits are required in any of the above calculations, then the water content has to be recorded to the nearest 0.

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A correction factor is valid when the difference is consistent for several comparisons, and is reconfirmed on a regular specified basis.

ASTM D – 16 – Standard Test Method for Determination of Water Content of Soil By Direct Heating

Please first verify your email before subscribing to alerts. The general procedure of this test method applies to all soils, but test details may need to be tailored to the soil being tested. It is beyond the scope of this standard to d959 significant digits used in analysis methods for engineering design.

Accept and continue Learn more about the cookies we use and how to change your settings. You may delete a document from your Alert Profile at any time. Acceptance tests, Compaction control, Density, Direct heating, Laboratory moisture tests, Moisture content, Moisture control, Quality control, Rapid method, Soil moisture, Test procedure, Water content.

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For example, if four significant digits are required r4959 any of the above calculations, then the water content has to be recorded to the nearest 0. Historical Version s – view previous versions of standard. If the document is revised or amended, you will be notified by email. Please first log in with a verified email before subscribing to alerts. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3.

The use of Test Methods D for water content determination can be time consuming and there are occasions when a more expedient method is desirable.

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