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Normas DIN – AENOR
DIN EN 12350-12:2009-12

DIN EN 12350-12:2009-12

Testing fresh concrete - Part 12: Self-compacting concrete - J-ring test; German version FprEN 12350-12:2009 / Note: Date of issue 2009-12-21

Essai pour béton frais - Partie 12: Béton auto-plaçant - Essai d'écoulement à l'anneau; Version allemande FprEN 12350-12:2009 / Attention: Date de parution 2009-12-21

Prüfung von Frischbeton - Teil 12: Selbstverdichtender Beton - Blockierring-Versuch; Deutsche Fassung FprEN 12350-12:2009 / Achtung: Erscheinungsdatum 2009-12-21

Fecha Anulación:
2010-12 /Withdrawn
Equivalencias internacionales:

FprEN 12350-12 (2009-11)

Relación con otras normas DIN:

Reemplaza a: DIN EN 12350-12:2008-01

Reemplazada por: DIN EN 12350-12:2010-12

Resumen:
This standard specifies the procedure for determining the passing ability (measured by the blocking step), the flow spread and t500J flow time of self-compacting concrete as the concrete flows through the J-ring. The test is not suitable when the maximum size of aggregate exceeds 40 mm. NOTE In respect to the relationship between aggregate size and bar spacing, the test is intended to assess the passing ability of the concrete proposed with the bar spacing typically in the works. If the concrete blocks then the aggregate size could be too large for the particular application.
Keywords:
Abilities to flow, Bottom plates, Cement mortar, Cement pastes, Cements, Compacting, Concrete mixes, Concretes, Cones, Construction, Construction materials, Demixing, Filling, Fresh concrete, Homogeneity, Mineral aggregates, Processibility, Properties, Reinforcement, Resistance, Rings, Samples, Sedimentation, Self-compacting, Stability, Temperature, Testing, Trials, Trusses, Viscosity
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