What is plasticity in aggregates?

Plasticity in aggregates refers to the ability of a material to deform without breaking when subjected to stress, particularly under the influence of moisture. It is a crucial property in construction and soil mechanics, as it affects the workability and stability of materials like clay and concrete. High plasticity indicates that the aggregate can retain its shape and resist cracking, making it more suitable for various applications in engineering and construction. Conversely, low plasticity can lead to brittleness and failure under load.