What should be the consistency of a well-mixed concrete?

The desired consistency of a well-mixed concrete is that it should be stiff but workable. This consistency allows for ease of handling and placement, ensuring the concrete can be shaped and compacted properly without segregating or losing its strength over time.

When concrete is mixed to a stiff but workable consistency, it maintains enough cohesion to hold its shape and provides adequate resistance against deformation during pouring and finishing processes. This level of stiffness ensures that the concrete has sufficient compaction and bonding properties, leading to a strong and durable final product.

Other consistencies, such as too dry and crumbly, may not be able to bond properly and could lead to weak spots in the cured concrete. On the other hand, a flowy and runny texture can lead to excessive water content, increasing the risk of shrinkage, cracking, and compromising the structural integrity of the concrete once set. Lastly, a granular and loose consistency lacks the binding capacity necessary for effective construction, which may result in poor performance and durability of the concrete.