Fig. 1From: Creep Mechanisms of Calcium–Silicate–Hydrate: An Overview of Recent Advances and ChallengesNanostructures of C–S–H (a) Powers and Brownyard model [adopted from Powers and Brownyard (1946)], b Feldman and Sereda model [adopted from Feldman and Sereda (1968)], c CM-I model [adopted from Jennings (2000)], and d CM-II model [adopted from Jennings (2008)]Back to article page