Alkali-Silica Reaction (ASR) Inhibitors
Purpose:
ASR inhibitors are used to reduce the risk of alkali-silica reaction.
How do inhibitors work?
This is a chemical reaction between the alkalis in the cement and the reactive silica in the aggregates that can cause the concrete to expand and crack over time.
Types:
Lithium-Based Compounds
These compounds prevent or slow down the alkali-silica reaction by reacting with the reactive silica particles, reducing the risk of expansion and cracking.
Fly Ash or Silica Fume (As Supplementary Materials)
Both materials are used to replace a portion of the cement in concrete, reducing the overall alkali content and helping to mitigate the ASR effect.
Application areas:
Concrete with Reactive Aggregates
Essential for projects using aggregates that are known to be reactive and prone to alkali-silica reactions, such as certain types of crushed stone or sand.
Advantages:
STRENGTH
Increasing the service life of concrete
PROTECTION
Preventing destruction
SAVING
Reducing repair costs
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