Properties and applications of non-shrinkage chemical grout for repairing and strengthening of concrete structures

Epoxy resins are widely used in structural repairing and strengthening work, but most of them typically require primer works and are vulnerable to water. To overcome such limits, a non-shrinkage chemical grout (NCG) has been developed in this research, which provides a strong chemical bond strength utilizing Silanol/Si-OH. The material characteristics of the NCG were investigated from experiments and the applications of non-shrinkage chemical grout were also provided. The experimental investigation indicates that NCG has much improved performance compared to a typical epoxy product, which implies that the NCG can be widely used for repairing and strengthening work.