Performance analysis of reinforced polymer cement mortars “RPCMs” used for repairing concrete structures
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Concrete structures operating under different environmental conditions are subject to the action of aggressive gaseous and liquid media, which leads to their degradation. Even well-designed buildings, after time, can have problems to fulfil appropriate requirements concerning their further service life. Fiber reinforced mortars based on cement modified with different types of polymers are commonly used materials for renovating concrete structures. They should fulfil requirements concerning their high adhesion to concrete, minimum tensile strength, compatibility with repaired concrete and low shrinkage. The aim of the work was to compare the performance of three reinforced PCMs based on various polymers. The following features were tested: adherence to concrete, shrinkage and flexural strength.
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