A degree of stiffening of a mixture of cement (or concrete or mortar) and water greater than the initial set; generally stated as the time required for cement paste to stiffen sufficiently to resist the penetration of a weighted test needle.
A degree of stiffening of a mixture of cement (or concrete or mortar) and water greater than the initial set; generally stated as the time required for cement paste to stiffen sufficiently to resist the penetration of a weighted test needle.