Consolidating concrete

Login to the SCC Zone Are you a current customer and what to design an OUTSTANDING, OPTIMIZED SCC mix?with your company name and Sika sales representatives name and we’ll fix you up!The J-ring test is a variation to the slump flow, where a simulated rebar cage is placed around the slump cone and the ability of the SCC mix to spread past the cage without segregation is evaluated.The U- box, L-box and J-ring tests measure the passing ability of concrete in congested reinforcement.VSI values range from 0 for “highly stable” to 3 for unacceptable stability.

As a high-performance concrete, SCC delivers these attractive benefits while maintaining all of concrete's customary mechanical and durability characteristics.

Since its inception in the 1980s, the use of SCC has grown tremendously.

The development of high performance polycarboxylate polymers and viscosity modifiers have made it possible to create “flowing” concrete without compromising durability, cohesiveness, or compressive strength.

The resistance to segregation is observed through a visual stability index (VSI).

The VSI is established based on whether bleed water is observed at the leading edge of the spreading concrete, or if aggregates pile at the center.

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