ASTM D6926 PDF

Preparation of Bituminous Specimens Using Marshall Apparatus. ASTM D – Download as PDF File .pdf), Text File .txt) or read online. Designation: D – 10Standard Practice for Preparation of Bituminous.

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ASTM D – 04 Standard Practice for Preparation of Bituminous Specimens Using Marshall Apparatus

Your Alert Profile lists the documents that will be monitored. This standard is not included in any packages. Armored-glass or dial-type thermometers with metal stems are recommended. We need your help to maintenance this website. It is up to the owner or specifier to establish the specific required number of blows to be atsm for compaction of the specimen in relation to the field.

ASTM D6926

Uncompacted mixtures are used for determination of theoretical maximum specific gravity. As the voice of the U. Cooling specimens in the mold can astk facilitated by immersion in cold water. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

Apply the same number of compaction blows to the face of the reversed specimen. After compaction, remove the collar and base plate. A metal pan or bowl of sufficient capacity for hand mixing may also be used.

Form a crater in the dry blended aggregate and weigh the required amount of bituminous material at mixing temperature into the mixture. The steel cap shall be firmly fastened to the post.

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D — 10 hammer by hand, as nearly perpendicular as possible to the base of the mold assembly during compaction. NOTE 7—Hammer shaft should be clean and lightly oiled.

Charge the mixing container with the heated aggregate and dry mix thoroughly approximately 5 s with scoop or spoon. Place another piece of nonabsorbent paper cut to fit on top of the mix. The following types of hammer arrangements are included in this practice: Place the mixture in the mold, spade the mixture vigorously with a heated asgm or trowel 15 times around the perimeter and 10 times over the interior.

Your comments xstm receive careful consideration at a meeting of the responsible technical committee, which you may attend. If the document is revised or amended, you will be notified by email. At this point, the mixture temperature shall be within the limits of the mixing temperature established in 5. The quality of the results produced by this practice are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, d66926 entirely their own responsibility. Proceed to Checkout Continue Shopping. To facilitate extraction, the mold and specimen can be briefly immersed in a hot water bath to heat the metal mold and reduce specimen distortion.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Asrm Subsctiption may be the perfect solution.

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The compaction temperature for a cutback asphalt mixture is selected using a compositional chart of viscosity versus percent solvent for that cutback asphalt. The compaction temperature is determined from the viscosity temperature chart as that to which the cutback aztm must be heated f6926 produce a viscosity of 6 30 cP 0.

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Mix the aggregate and bituminous material rapidly until thoroughly coated for approxi- 5. Agencies that meet the criteria of Specification D are generally considered capable of competent and objective testing, sampling, inspection, etc.

In preparation for heating to compaction temperature the material should be warmed and worked until a loose mixture condition is obtained. Multiple hammer operation will affect specimen density and is not recommended. For mixes prepared with cutback asphalt, introduce the mixing blade in the mixing bowl and determine the total weight of the mix components plus bowl and blade before proceeding with mixing. Significance and Use 3.

Please fill this form, we will try to respond as soon as possible. Last previous edition approved in as D—04 DOI: This practice is intended for use with laboratory and plant produced bituminous mixtures with aggregate up to 25 mm 1 in.