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Lookup NU author(s): Dr Enrico Masoero
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© ASCE.Understanding the physical origin of creep in calcium-silicate-hydrate (C-S-H) is of primary importance, both for fundamental and practical interest. Here, we present a new method, based on molecular dynamics simulation, allowing us to simulate the long-term visco-elastic deformations of C-S-H. Under a given shear stress, C-S-H features a gradually increasing shear strain, which follows a logarithmic law. The computed creep modulus is found to be independent of the shear stress applied and is in excellent agreement with nanoindentation measurements, as extrapolated to zero porosity.
Author(s): Bauchy M, Masoero E, Ulm F-J, Pellenq R
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: CONCREEP 2015: Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures - Proceedings of the 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structure
Year of Conference: 2015
Print publication date: 21/09/2015
Acceptance date: 01/01/1900
Publisher: American Society of Civil Engineers (ASCE)
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