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Frost damage of early-age concrete is particularly harmful for the concrete mechanical resistance because the ice volume expansion causes micro-cracks in the concrete structures, and as a consequence it lowers the compressive strength of concrete. [4]
"Freeze-Thaw resistance". Polymers in Concrete. CRC Press. pp. 40–42. ISBN 9780849348150. J. Marchand; Michel Pigeon; M. Setzer (1997). Freeze–thaw Durability of Concrete. Proceedings of the International Workshop in the Resistance of Concrete to Scaling Due to Freezing in the Presence of De-icing Salts, Sainte-Foy, Québec, Canada.
The use of Zemdrain CPF on the resistance to chloride penetration of concretes exposed to salt spray condition in hot climates; Technical Report No. 1303/92/6335, Taywood Engineering Ltd, R&D Division, September, 1992,(unpublished). Price, W.F. The effect of Zemdrain Controlled Permeability Formwork on the frost resistance of concrete.
Treval Clifford Powers (1900-1977) was a 20th-century materials scientist considered "the father of the modern science of cement-based materials." [1] He made contributions to the understanding of the structure of fresh and hardened cement paste and achieved fundamental results on concrete rheology, workability, consistency, durability, shrinkage and swelling, creep, and resistance of concrete ...
Concrete, like most consolidated hard rocks, is a material very resistant to compression but which cannot withstand tension, especially internal tensions. Its tensile strength is about 10 times lower than its compressive strength.
For normal weight concrete (defined as concrete with a w c of 150 lb/ft 3 and subtracting 5 lb/ft 3 for steel) E c is permitted to be taken as ′. The publication used by structural bridge engineers is the AASHTO Load and Resistance Factor Design Manual, or "LRFD."
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Generally, land plants of the northern hemisphere have higher frost resistance than those of the southern hemisphere. [1] An example of a frost resistant plant is Drimys winteri which is more frost-tolerant than naturally occurring conifers and vessel-bearing angiosperms such as the Nothofagus that can be found in its range in southern South ...
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