5. Conclusion
Determining the strength of young concrete is fundamental to ensuring the quality and durability of concrete structures. Temperature plays a crucial role in the development of concrete's mechanical properties. High temperatures can accelerate strength gain, but they can also reduce ultimate strength. Conversely, low temperatures delay the development of compressive strength, which must be taken into account when designing and constructing concrete structures.
There are various techniques for measuring the strength of in-situ concrete, including destructive and non-destructive testing. Destructive tests, although accurate, require the destruction of concrete samples, which may not always be practical. Non-destructive tests, such as maturometry, offer a valuable alternative by allowing continuous, real-time assessment of concrete strength without damaging the structure....
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Conclusion
Bibliography
Standards and norms
- On-site assessment of the compressive strength of concrete structures and precast elements – National supplement to standard NF EN 13791, AFNOR, - AFNOR, Norme NF EN 13791/CN - Octobre 2021
- Concrete testing in structures – Part 2: Non-destructive testing – Determination of the rebound index, AFNOR - AFNOR, Norme NF EN 12504-2 - Juillet 2021
- Tests for hardened concrete – Part 3: Compressive strength of specimens...
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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