Any volume of concrete in which a combination of dimensions of the member being cast, the boundary conditions can lead to undesirable thermal stresses, cracking, deleterious chemical reactions, or reduction in the long-term strength as a result of elevated concrete temperature due to heat from hydration.
The one characteristic that distinguishes mass concrete from other concrete work is thermal behavior.
Mass concrete may or may not be reinforced depending upon the intended purpose of the structure. Most of the mass concrete is generally placed in gravity dams which doesn’t require reinforcements but even in these gravity dams, piers for spillway gates and spillway chutes are also heavily reinforced mass concrete.
Construction of huge pile using mass concrete
Reinforced Cement Concrete:
Reinforced concrete, or RCC, is concrete that contains embedded steel bars, plates, or fibers that strengthen the material. The capability to carry loads by these materials is magnified, and because of this RCC is used extensively in all construction. In fact, it has become the most commonly utilized construction material.
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