Conference paper Open Access

UPGRADING THE CONCEPT OF UHPFRC FOR HIGH DURABILITY IN THE CRACKED STATE: THE CONCEPT OF ULTRA HIGH DURABILITY CONCRETE (UHDC) IN THE APPROACH OF THE H2020 PROJECT RESHEALIENCE

PEDRO SERNA; Francesco Lo Monte; Eduardo J. Mezquida-Alcaraz; Estefania Cuenca; Viktor Mechtcherine; Michaela Reichardt; Alva Peled; Oren Regev; Ruben P. Borg; Alexej Tretjakov; Dennis Lizunov; Konstantin Sobolev; Stamatina Sideri; Kim Nelson; Enrico Maria Gastaldo Brac; Liberato Ferrara

Current solutions for new concrete constructions in Extremely Aggressive Exposures, as recommended and enforced by design codes, are not taking into account new cement-based construction materials, such as Ultra High Performance Fibre Reinforced Concrete, neither new constituents specifically conceived to improve the concrete durability, because of the lack of standards and technical awareness by most designers and contractors. The H2020 ReSHEALience project will upgrade to the concept of Ultra High Durability Concrete (UHDC), combining nano-scale constituents (nano-cellulose, alumina nanofibers) and self-healing promoters (crystalline admixtures). The paper will present the approach pursued in the project together with a synopsis of the results of ongoing research.

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