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Self consolidating concrtete

Quicker concrete truck turn-around times enabling the producer to service the project more efficiently.

Reduction or elimination of vibrator noise potentially increasing construction hours in urban areas.

Minimizes movement of ready mixed trucks and pumps during placement.

Best used in applications such as retaining walls, bridges, and dams that tend to require higher-strength concrete, SCC is a great alternative to flowable fill.

Self consolidating concrete (SCC), also known as self compacting concrete, is a highly flowable, non-segregating concrete that can spread into place, fill the formwork and encapsulate the reinforcement without any mechanical consolidation.

Self-consolidating concrete (SCC) does just as it says; it consolidates itself as it flows into place without separating.

Using SCC mixes allows for quicker placement and a more uniform surface finish without requiring manual finishing techniques.

Admixtures that affect the viscosity of the mixture are especially helpful when grading of available aggregate sources cannot be optimized for cohesive mixtures or with large source variations.

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A well distributed aggregate grading helps achieve SCC at reduced cementitious materials content and/or reduced admixture dosage.Opportunities to create structural and architectural shapes and surface finishes not achievable with conventional concrete.Improved consolidation around reinforcement and bond with reinforcement Improved pumpability.SCC mixtures typically have a higher paste volume, less coarse aggregate and higher sand-coarse aggregate ratio than typical concrete mixtures.Retention of flowability of SCC at the point of discharge at the jobsite is an important issue.Once the concrete is in place it should not display segregation or bleeding/settlement.Full capacity mixer truck loads may not be feasible with SCCs of very high flowability due to potential spillage.Modern structural elements are often designed with congested networks of reinforcing steel, requiring the high-flow characteristics of Self-Consolidating Concrete (SCC) to prevent voids and honeycombing.The ASTM C1621 J-Ring test, together with the C1611 Slump-Flow test, determine the passing ability of SCC, defined as the ability of the concrete to flow under its own weight to completely fill all spaces within the formwork.The flowability of SCC is measured in terms of spread when using a modified version of the slump test (ASTM C 143).The spread (slump flow) of SCC typically ranges from 18 to 32 inches (455 to 810 mm) depending on the requirements for the project.

Comments Self consolidating concrtete

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