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(Concrete Engineering) Unhydrated hydraulic cement.
(Concrete Engineering) In prestress concrete, the device used to stress the tendons.
(Concrete Engineering) A visible lineation which forms when the placement of concrete is delayed. The concrete in place hardens prior to the next placement of concrete against it.
(Concrete Engineering) Delaying the hardening or strength gain of fresh concrete, mortar or grout.
(Concrete Engineering) A method of prestressing reinforced concrete in which the steel is stressed before the concrete has hardened and restrained from gaining its unstressed position by bond to the concrete.
(Concrete Engineering) Adiabatic curing, using sealed containers.
(Concrete Engineering) The degree of plasticity of fresh concrete or mortar The normal measure of consistency is slump for concrete and flow for mortar.
(Concrete Engineering) The increase of concrete temperature caused by heat of hydration and heat from other sources.
(Concrete Engineering) The water in concrete which is irremovable by oven drying; chemically combined during cement hydration.
(Concrete Engineering) Older terminology for Alkali-Silica Reactivity (ASR).
(Concrete Engineering) The contact between the placed concrete and concrete surfaces, against or upon which concrete is to be placed and to which new concrete is to adhere, that has become so rigid that the new concrete cannot be incorporated integrally by vibration with that previously placed. Unformed construction joints are horizontally placed or nearly so.
(Concrete Engineering) The maintenance of ambient conditions during the setting and hardening of concrete so that heat is neither lost nor gained from the surroundings of the concrete.