Self-healing capacity of hardened cement suspensions with high levels of cement substitution

TL;DRAbstract

Aqueous cement suspensions without aggregates have been commonly applied as a remedial technique in structural and geotechnical applications, often comprising part of the permanent infrastructure. These suspensions derive their mechanical characteristics and properties through the same hydration processes and binding chemistry as concrete; thus they are susceptible to the same deleterious environmental factors and inherent properties. This can endanger the long-term functionality of the installation. Therefore there is a strong incentive of compositional alteration of the basic binder by incorporating supplementary cementitious materials that have been acknowledged to improve the physical properties and enhance the durability characteristics of the hardened matrix. However the latter does not offer a robust long term solution. Therefore a compositional enhancement through biomimetic approach of damage response for the design of high performance cement suspensions is put forward. This s

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