ASTM C1621 PDF
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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Please first log in with a verified email before subscribing to alerts. Need more than one copy? 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. The retained aggregate from each section is weighed and the static segregation calculated as the difference between the bottom and top sections divided by the average weight. 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.
A difference less than 25 mm [1 in. After 15 minutes, the mold is separated into three sections representing the top, middle, and bottom of the cylinder. The test method is a laboratory procedure to determine the potential static segregation. The slump flow with and without the J-Ring is measured.
Combining values from the two systems may result in non-conformance with the standard. You can download and open this file to your own computer but DRM prevents opening this file on c1612 computer, including a networked server.
According to ACI R, the slump flow should not differ by more than 2 in.
The slump flow test can be used in production to assess the consistency of SCC. Combining values from the two systems may result in nonconformance with the standard.
The mold is lifted and the concrete allowed to spread. Subscription pricing is determined by: Link to Active This link will always route to the current Active version of the standard. After spreading ceases, two orthogonal diameters of the concrete patty are measured.
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. Proceed to Checkout Continue Shopping.
The following ASTM standard test methods have been developed to address these fresh concrete properties. The slump flow test allows a comparison of the lateral flow and filling potential of different SCC mixtures. Within the text, the SI units are shown in brackets. A nonmandatory appendix of ASTM C provides a procedure for a relative measurement of flow rate, viscosity, and stability. We have no amendments or corrections for this standard.
The test method is suitable for use in the laboratory and in the field. Link to Active This link will always route to the current Active version of the standard. It is also applicable in the field as a quality control test. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
A sample of freshly mixed concrete is placed in the cone in one lift without tamping or vibration. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.
ELE International – J-Ring
As the voice of the U. Add to Alert PDF. View directory of all issues. Please first verify your email before subscribing to alerts. A common aastm of slump flow for SCC is 18 to 30 in. The slump cone can be either used the same way up or inverted. Warning— Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. Work Item s – proposed revisions of this standard. BASF Construction Chemicals In the test method, a sample of freshly mixed concrete is placed in a cylindrical mold without tamping or vibration.
A difference greater than 2 in. Historical Version s – view previous versions of standard.
ASTM Test Methods for Self-Consolidating Concrete
Standards Subscriptions from ANSI provides c16211 money-saving, multi-user solution for accessing standards. Combining values from the two systems may result in nonconformance with the standard. Your opinions and contributions are welcome.