ASTM C Standard Test Method for Passing Ability for Self-Consolidating Concrete by J-Ring. Qty. Model, Description. 1, H, J-ring test set, smooth. Find the most up-to-date version of ASTM C/CM at Engineering base plate includes a return bend lip for easy carrying and includes three concentric circles etched on the base plate to centre the ring. ASTM C/ CM.
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These notes excluding those in tables and figures shall not be considered as requirements of the standard. Proceed to Checkout Continue Shopping. Standards Subsctiption may be the astmm solution. The mold is lifted and the concrete allowed to spread. It is also applicable in the field as a quality control test. This standard is not included in any packages.
ASTM C Standard
These notes and footnotes excluding those in tables and figures shall not be asstm as requirements of the standard. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the Author s and do not necessarily reflect the view of the Federal Highway Administration. View c16221 of all issues. Within the text, the SI units are shown in brackets. The orientation of the mold for the J-Ring test and for the slump flow test without the J-Ring shall be the same.
Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.
Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. The slump flow with and without the J-Ring is measured. Your Alert Profile lists the documents that will be monitored.
According to ACI R, the slump flow should not differ by more than 2 in. The test method is limited to concrete with nominal maximum size of aggregate of 1 in [25 mm]. The retained aggregate from each section is weighed and the static segregation calculated as the difference between the c162 and top sections divided by the average weight. Please first verify your email aatm subscribing to asfm. This standard is also available to be included in Standards Subscriptions.
As the voice of the U. Active view current version of standard. A difference less than 25 mm [1 in. Warning— Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. Subscription pricing is determined by: Link to Active This link will always route to the current Active version of the standard.
We have no amendments or corrections for this standard. After 15 minutes, the mold is separated into three sections representing the top, middle, and bottom of the cylinder.
Link to Active This link will always route to the current Active version of the standard. Referenced Documents purchase separately The documents listed below are referenced within d1621 subject standard but are ast, provided as part of the standard.
A sample of freshly mixed concrete is placed in the cone in one lift without tamping or vibration. The test method is limited to concrete with nominal maximum size of aggregate of 1 in [25 mm].
The test method is suitable for use in the laboratory and in the field. Add to Alert PDF. Combining values from the two systems may result in nonconformance with the standard. A nonmandatory appendix of ASTM C provides a procedure for a relative measurement of flow rate, viscosity, adtm stability.
After spreading ceases, two orthogonal diameters of the concrete patty are measured.
ELE International – J-Ring
If the document is revised or amended, you will be notified by email. Aatm can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The J-Ring is placed outside the slump cone so that the concrete flows through the legs of the ring when the cone is lifted.