J-Ring Test Self-compact Concrete Test Equipment

STANDARD  EN 12350-12
For determining the flowability , and flow time and capacity  of the self-compacting  concrete as the concrete flows through
the J-ring.

J-Ring Apparatus , galvanized steel made , having rectangular section 30*25mm, median diameter of 300mm, the median circumference of the ring is drilled , 

and different cylinderical bars dia10*100mm are fixed into the holes , the hole have distance of 48mm between them . 

The test is performed with the

following apparatus:
J-Ring apparatus
Made from stainless steel, with 16 bars 18mm dia