A Novel Design of Autonomously Healed Concrete: Towards a Vascular Healing Network
AbstractConcrete is prone to crack formation in the tensile zone, which is why steel reinforcement is introduced in these zones. However, small cracks could still arise, which give liquids and gasses access to the reinforcement causing it to corrode. Self-healing concrete repairs and seals these small (300 µm) cracks, preventing the development of corrosion. In this study, a vascular system, carrying the healing agent, is developed. It consists of tubes connected to a 3D printed distribution piece. This distribution piece has four outlets that are connected to the tubes and has one inlet, which is accessible from outside. Several materials were considered for the tubes, i.e., polymethylmethacrylate, starch, inorganic phosphate cement and alumina. Three-point-bending and four-point-bending tests proved that self-healing and multiple self-healing is possible with this developed vascular system. View Full-Text
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Minnebo, P.; Thierens, G.; De Valck, G.; Van Tittelboom, K.; De Belie, N.; Van Hemelrijck, D.; Tsangouri, E. A Novel Design of Autonomously Healed Concrete: Towards a Vascular Healing Network. Materials 2017, 10, 49.
Minnebo P, Thierens G, De Valck G, Van Tittelboom K, De Belie N, Van Hemelrijck D, Tsangouri E. A Novel Design of Autonomously Healed Concrete: Towards a Vascular Healing Network. Materials. 2017; 10(1):49.Chicago/Turabian Style
Minnebo, Pieter; Thierens, Glenn; De Valck, Glenn; Van Tittelboom, Kim; De Belie, Nele; Van Hemelrijck, Danny; Tsangouri, Eleni. 2017. "A Novel Design of Autonomously Healed Concrete: Towards a Vascular Healing Network." Materials 10, no. 1: 49.
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