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The main critical issues still concern, for instance, the individuation of accelerated laboratory tests able to characterize concrete performances, reliable corrective factors to be used for the evaluation of long-term durability performances and the validation of these models based on real long-term durability performances. [6] [9]
This kind of concrete is also known as self-repairing concrete. Because concrete has a poor tensile strength compared to other building materials , it often develops cracks in the surface. These cracks reduce the durability of the concrete because they facilitate the flow of liquids and gases that may contain harmful compounds.
Concrete is the most widely used material in existence and is behind only water as the planet's most-consumed resource. [ 2 ] Cements used in construction are usually inorganic , often lime - or calcium silicate -based, and are either hydraulic or less commonly non-hydraulic , depending on the ability of the cement to set in the presence of ...
The improvement of concrete durability using controlled permeability formwork. Proceedings of the 5th International Conference “Structural Faults Repairs, Vol 2, 1993, pp. 233–238. Price, W.F.
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
Spanish literature is literature (Spanish poetry, prose, and drama) written in the Spanish language within the territory that presently constitutes the Kingdom of Spain.
The trolls can keep throwing stones, but Prince Harry and Duchess Meghan are not on the rocks.. The Duke of Sussex addressed speculation about his relationship with wife Duchess Meghan during an ...
It has evolved and undergone different trends over time, marked by a few key principles: durability of the materials used, increase in building height and span, the degree of control exercised over the interior environment, and finally, the energy available for the construction process.