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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Carefully transfer specimens to a smooth, flat surface and allow to cool at room temperature this may be overnight. Place aggregate batches in containers on a hot plate or in an oven and heat to a temperature above but not exceeding the mixing temperature established in 5. You may delete a document from your Alert Profile at any time.

Your Alert Profile lists the documents that will be monitored. NOTE 4—Standardization practices specified in Specification D are recommended for the thermometer used in this test method.

A fan can be used to facilitate cooling. We need your help to maintenance this website. Cooling specimens in the mold can be facilitated by immersion in cold water.

NOTE 1—Uncompacted mixtures are used for determination of theoretical maximum specific gravity. NOTE 2—Manual compaction hammers should be equipped with a finger safety guard. 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by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

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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.

Please first log in with a verified email before subscribing to alerts. Place another piece of nonabsorbent paper cut to fit on top of the mix. 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.

The holders shall hold the compaction mold, collar, and base plate securely in position during compaction of the specimen. The steel cap shall be firmly fastened to the post.

ASTM D6926

Specimens should be accepted or rejected for further testing based on requirements of the criteria being applied. Last previous edition approved in as D—04 DOI: Already Subscribed to this document. Add to Alert PDF.

In this original Marshall procedure, no mechanical device of any kind shall be used to restrict the handle of the hammer in the vertical position during compaction. The following types of hammer arrangements are included in this practice: However, care should be exercised to prevent mix loss.

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ASTM D Standard

The steel disk is used for extracting compacted specimens from molds with the use of the mold collar. Multiple hammer operation will affect specimen density and is not recommended. Users of this practice are cautioned that compliance with Specification D alone does not completely ensure reliable results. Current edition approved June 15, Heating should only be long enough to achieve desired compaction temperature.

This standard is also available to be included in Standards Subscriptions. Subscription pricing is determined by: If the document is revised or amended, you will be notified by email. Proceed to Checkout Continue Shopping. Care must be exercised to d6962 loss of the mix during mixing and subsequent handling. We need your help!