Kasho Curing August 27, — 4: Figure 2 shows the performance of concrete treated with SCP acj versus air and moist cured concrete. Concrete — Drying vs. This document provides requirements for alternative methods for curing concrete. Figure 3 below shows the performance of treated concrete tested for drying shrinkage, another important reason curing is required, demonstrating improvements over moist-cured control samples. Additionally, SCP products become a permanent part of the concrete while membranes and water ponding are temporary. Compressive strength development is the primary reason curing of concrete is required, and SCP products help achieve even better performance that moist-cured concrete, long held as the gold aic of curing concrete.
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Jujind Figure 2 shows the performance of concrete treated with SCP products versus air and moist cured concrete. The reaction products formed fill capillaries and shut down liquid water transmission. An important consideration when evaluating products for use with concrete is that ASTM develops standards generate performance numbers while ACI writes the guides and specifications that are used to put the numbers generated into practice. The objective of curing is to allow the Figure 1 above shows the percentage of strength gain associated with various curing methods.
Figure 3 below shows the performance of treated concrete tested for drying shrinkage, another important reason curing is required, demonstrating improvements over moist-cured control acu.
This document provides requirements for alternative methods for curing concrete. These items are not eligible for return. Because SCP acj penetrate into the concrete, they do not form a surface membrane. ASTM C membrane-forming curing compounds were developed as a solution to the need for a time-saving alternative to water ponding. Errata are not included for collections or sets of documents such as the ACI Collection.
Compressive strength development is the primary reason curing of concrete is required, and SCP products help achieve even better performance that moist-cured concrete, long held as the gold standard of curing concrete. At least two ASTM C09 subcommittees are currently working on standards to better evaluate the performance of colloidal silica. This specification addresses curing methods applied after placement of concrete and does not apply to internal curing use of saturated lightweight aggregate or other materials to provide supplemental water or to accelerated curing heat curing.
Specification for Curing Concrete This specification has default settings that may or may not be applicable to a specific project.
The action works in the other direction as well, holding in water that would normally evaporate at early ages. This action makes SCP products an effective waterproofing agent, even under hydrostatic pressure.
Additionally, SCP products become While membranes degrade over time, and water ponding methods cannot be continued indefinitely, the use of SCP products provides a continuous curing environment. Choose Product Language English. ACI The materials, processes, quality control measures, and inspections described in this document should be tested, monitored, or performed as applicable only by individuals holding the appropriate ACI certifications or equivalent.
Until those standards are available, and ACI According to ACI R, when determining the duration of curing, consideration should be given to the concrete properties that are desired in addition to compressive aaci development.
In other words, the semi-evaporable and non-evaporable water continues to be made available for hydration until it The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition.
Curing August 27, — 4: Any applicable errata are included with These alternative methods are not necessarily equal in effectiveness, cost, effect on project schedule, or impact on other aspects of the project.
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