Estimation of in-situ strength of self-compacting concrete and mortars on different concrete substrate conditions using twist off method, fuzzy logic and artificial neural networks

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Since, self-compacting concrete and mortar are self-levelling and do not need any compaction during its application, are receiving more popularity as repair materials in concrete structures repair industry. This paper presents the results obtained using the in-situ twist off method for assessing the in-situ strength- that it has an important role on bond strength between this layer and concrete substrate- of self-compacting concrete and mortars applied to different concrete substrate. The effects of five different substrate conditions on the in-situ strength of repair layer were studied and the results were also compared with the predicted values obtained from the fuzzy logic and neural networks.

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