LMC concrete is a specific type of portland cement concrete where a latex admixture is used in place of some mixing water.
Understanding LMC Concrete
Latex-modified concrete (LMC) is a portland cement concrete (PCC) that incorporates an admixture of latex dispersed in water. This latex admixture is specifically used to replace a portion of the standard mixing water typically used in concrete production.
This modification results in concrete with enhanced properties, often including improved durability, reduced permeability, and increased bond strength, making it suitable for various applications.
Key Characteristics (Based on Reference)
- Base Material: Portland cement concrete (PCC)
- Modification: Includes a latex admixture dispersed in water.
- Mixing Process: The latex admixture replaces a portion of the regular mixing water.
Practical Use and History
According to the provided reference, Latex-modified concrete has been widely used in construction, particularly on highway bridges, for over 30 years (relative to the time the reference was written). Its application on bridge decks in Virginia dates back to 1969.
The use of LMC in critical infrastructure like bridge decks highlights its intended purpose as a durable and protective overlay or repair material.
In summary: LMC concrete takes standard portland cement concrete and enhances it by substituting some water with a latex-water mixture, a technique that has proven valuable in structural applications like bridge decks for decades.
