The missing link in the bottom-up theory of mechanical properties of calcium silicate hydrate
DOI:
https://doi.org/10.21809/rilemtechlett.2023.180Keywords:
C-S-H, Mechanical properties, Multiscale, Bottom-upAbstract
Calcium silicate hydrate (C-S-H) is the primary binding phase in modern concrete. While significant progress has been made in understanding the structure and behavior of C-S-H at atomistic scale and macro scale, there lacks a theory that links them. This review paper focuses on identifying the key challenges in bridging the gap between the atomic-scale characteristics of C-S-H and its larger scale mechanical behaviors. Recent experimental and simulation work on the multiscale mechanical properties of C-S-H is summarized. The need for integrating experimental observations, theoretical models, and computational simulations to establish a comprehensive and predictive bottom-up theory of the mechanical properties of C-S-H is highlighted. Such a theory will enable a deeper understanding of C-S-H behavior and pave the way for the design and optimization of cementitious materials with tailored mechanical performance.
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Copyright (c) 2023 Guoqing Geng, Zhe Zhang
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors retain copyright of the articles published in RILEM Technical Letters and grant the journal the right of first publication with open access. The work is simultaneously licensed under Creative Commons Attribution 4.0 International License (CC BY 4.0) that allows others to share and adapt the work under the following terms: 1) a proper attribution is given in a form of bibliographic record with the DOI link directing to RILEM Technical Letters; 2) a link to the license is provided; 3) the changes (if any) are indicated.