Abstract
Abstract: Cementitious materials doped with carbon nanoparticles are robust materials that can convert stress into changes in electrical resistance. These properties encourage the development of spatially distributed sensors for structural health monitoring of concrete structures. However, very few applications of cement-based nanocomposite transducers to structural elements have been documented. Most applications are limited to measuring static reactions. CNTs could effectively arrest crack propagation, increase joint rigidity, and reduce deformation of concrete corbels between steel ribs. Higher aspect ratio CNTs could make a better contribution with their micro crack bridging effect. Microscopic analysis confirmed the adequate distribution and bridging of micro cracks by CNTs and delayed the propagation of macro cracks within the transition zones between aggregate and reinforced concrete
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