Material degradation
Pathology and assessment of existing bridges
Article REF: C7402 V1
Material degradation
Pathology and assessment of existing bridges

Authors : Daniel POINEAU, Jean-Armand CALGARO

Publication date: May 10, 2010 | Lire en français

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2. Material degradation

2.1 Alterations to concrete

Although it is often rightly considered a durable material, concrete is subject to numerous physical, physico-chemical and chemical stresses, the intensity of which depends on the kinetics of water and gas penetration into its capillary system. Its qualities are altered when external agents react with cement hydrates to form expansive or soluble compounds. .

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