J Ring Apparatus Manufacturer,Supplier and Exporter in India

The J-ring test can be used to determine the passing ability of self-consolidating concrete. 

It is applicable for laboratory use in testing different concrete mixtures for passing ability or can be used in the field as a quality control test. 

It is typical to also perform a slump flow test with the J-ring test. 

This test is similar to the J-ring except the J-ring is not used. 

The difference between the results of the two tests provides an indicator of the passing ability of the concrete.

Designed for durability, J-ring set includes a slump cone, J-ring with smooth or rebar rods and steel base plate with engraved positioning rings.

J Ring Apparatus

The J-Ring test is used for determining the passing ability, the flow spread and the flow time of self compacting concrete as the concrete flows through the J Ring apparatus. 

The J-Ring narrow gap with ø18 mm x 16 smooth bars is manufactured from stainless steel. 

The Base plate is 900x900x3 mm square, made of stainless steel with engraved circles of 200 mm and 500 mm diameter conforming to EN 12350- 8. 

The Slump Cone is made from sheet steel protected against corrosion, with diameters; top 100 mm, base 200 mm and with a height of 300 mm. 

The Steel weighted collar is used to stabilize the slump cone on J-Ring or slump flow tests. 

Minimum apparatus for the J-Ring test are J-Ring with narrow gap and slump cone.

Standards: ASTM C1621, ASTM C1621M, ASTM C1611

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