1. Hydration reaction of concrete
This chapter discusses the hydration reaction of concrete. It provides an understanding of this phenomenon and its consequences.
In 1818, Louis Vicat developed his theory on the hydraulic properties of cement, thereby triggering its industrial boom. However, the Romans were already familiar with and used a mixture of lime and volcanic ash from Pozzuoli with water, which set and hardened over time. This hydration process is exothermic and can therefore generate, particularly in massive structures such as engineering works, thermomechanical stresses and/or pathologies developed as a result of temperature rise, i.e., internal sulfate reaction (ISR). Various solutions can be used to reduce this heating, either in the cement or in the concrete mix design.
This chapter presents a summary of current knowledge on the cement hydration process and...
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Hydration reaction of concrete
Bibliography
Standards and norms
- Concrete – Specification, performance, production, and compliance - AFNOR, NF EN 206/CN+A2 - 2022
- Méthodes d'essais des ciments. Partie 3 : détermination du temps de prise et de la stabilité - AFNOR, NF EN 196-3+A1 - 2009
- Tests for hardened concrete – Part 15: Adiabatic method for determining the heat released by concrete during hardening - AFNOR, NF EN 12390-15 - 2019
- Test for hardened concrete...
Regulations
Ministry of Economy and Finance & Ministry of Ecological and Solidarity Transition, General technical specifications applicable to public civil engineering works contracts –, Booklet No. 65, EXECUTION OF CIVIL ENGINEERING WORKS IN CONCRETE, December 2017.
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Concrete Sensor HCS
Hilti France: Engineering
https://www.hilti.fr/content/hilti/E2/FR/fr/business/business/engineering.html
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