What is the biggest problem associated with conveyor stockpiling?

Segregation is the most significant problem associated with conveyor stockpiling because it refers to the separation of different-sized particles within the aggregate material. When materials are conveyed to a stockpile, the gravitational forces acting on the different sizes can cause them to separate - larger particles tend to roll to the bottom while smaller ones settle at the top. This can lead to an uneven mixture when the material is later used, affecting the quality and performance of the final product, such as asphalt or concrete.

Segregation can have a direct impact on the consistency and properties of the mixture, making it more challenging to achieve the required specifications for a successful paving or construction project. This issue becomes particularly critical in road construction, where uniformity in material composition is vital for the longevity and durability of the roadway.

While contamination, degradation, and overloading can pose problems in the context of stockpiling, they do not specifically relate to the separation of materials in the same way that segregation does. Contamination involves the introduction of unwanted materials, degradation refers to the breakdown of materials over time, and overloading speaks to equipment limitations and operational safety rather than material quality during stockpiling.