How are chemical admixtures primarily categorized?

Chemical admixtures are primarily categorized by their function because they perform specific roles in altering the properties of concrete to achieve desired characteristics, such as improved workability, reduced water content, accelerated or delayed setting times, or enhanced strength and durability. This functional categorization allows engineers and construction professionals to select the appropriate type of admixture based on the requirements of a particular project or application.

By focusing on their functions, such as water-reducing agents, retarding agents, accelerators, or air-entraining agents, users can make informed decisions about how to optimize the performance of concrete mixtures in various environmental conditions and construction scenarios. Understanding the specific function of each type of admixture enables engineers to enhance concrete design and ensure the viability and longevity of structures.