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Posted by / 06-Aug-2019 00:17

King self consolidating concrete

In this project, the SCC was mixed on-site and pumped through a piping system to the specified point, located 200 meters away.

On this particular project, the construction time was reduced from 2.5 years to 2 years.

The perimeter of the repair area should be saw-cut a minimum of 20 mm (¾ inch).

Clean the area to be repaired with potable water, leaving the concrete saturated but free of standing water (SSD).

Self-compacting concrete with a similar water cement or cement binder ratio will usually have a slightly higher strength compared with traditional vibrated concrete, due to the lack of vibration giving an improved interface between the aggregate and hardened paste.

The concrete mix of SCC must be placed at a relatively higher velocity than that of regular concrete.

Self-consolidating concrete is required to flow and fill special forms under its own weight, it shall be flowable enough to pass through highly reinforced areas, and must be able to avoid aggregate segregation.

• Superior plastic properties provide a fluid mix with self-consolidating characteristics without bleeding or segregation • Easily consolidated without rodding or vibrating • Air-entrainment provides superior resistance to freeze-thaw cycling and salt-scaling in the presence of de-icing salts • Excellent pumpability • Properties similar to conventional concrete, thus offering excellent compatibility with exisiting concrete • Improved resistance to sulphate attack • Superior plastic properties provide a fluid mix with self-consolidating characteristics without bleeding or segregation • Easily consolidated without rodding or vibrating • Air-entrainment provides superior resistance to freeze-thaw cycling and salt-scaling in the presence of de-icing salts • Excellent pumpability • Properties similar to conventional concrete, thus offering excellent compatibility with exisiting concrete • Improved resistance to sulphate attack • Very low permeability • Low shrinkage • Compatible with integral, pre-applied and/or post-applied corrosion inhibitors* • Designed with natural normal-density non-reactive fine and coarse aggregates to eliminate potential alkali-aggregate reactivity (AAR) • All KING products are manufactured using ISO 9008 Certified Processes *For more information regarding the use of a corrosion inhibitor in conjunction with MS-S10 SCC, please contact your KING Technical Representative.Mixing: Place 75% of required potable water into mixer and slowly introduce entire bag of MS-S10 SCC.Add balance of required water slowly while mixer is running, not exceeding maximum recommended volume of water.Rheological parameters including the yield stress, relative viscosity and thixotropy were obtained for each mix and determined simultaneously.The method of the analyzing 2 factors each at two levels was used with 16 factorial points.

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The importance of self-compacting concrete is that maintains all concrete’s durability and characteristics, meeting expected performance requirements.