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国际多尺度计算工程期刊

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ISSN 打印: 1543-1649

ISSN 在线: 1940-4352

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Creep of a C-S-H Gel: Micromechanical Approach

卷 8, 册 4, 2010, pp. 357-368
DOI: 10.1615/IntJMultCompEng.v8.i4.10
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摘要

Both clays and calcium silicate hydrates (the main hydration products of Portland cements) exhibit a microstructure made up of lamellar particles. The microscopic mechanism responsible for the macroscopic creep of such materials is often described as the sliding of the sheets one onto the other. This paper proposes a micromechanical approach to estimate the macroscopic creep behavior rising from this microscopic mechanism. The asymptotic evolution of effective creep at both short and large times is especially investigated. The influence of the shape of the particles is also quantitatively discussed.

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对本文的引用
  1. Pichler Bernhard, Hellmich Christian, Eberhardsteiner Josef, Wasserbauer Jaromír, Termkhajornkit Pipat, Barbarulo Rémi, Chanvillard Gilles, Effect of gel–space ratio and microstructure on strength of hydrating cementitious materials: An engineering micromechanics approach, Cement and Concrete Research, 45, 2013. Crossref

  2. Charpin Laurent, Sanahuja Julien, Creep and relaxation Poisson’s ratio: Back to the foundations of linear viscoelasticity. Application to concrete, International Journal of Solids and Structures, 110-111, 2017. Crossref

  3. Wang Shuping, Peng Xiaoqin, Tang Luping, Cao Chunpeng, Zeng Lu, Contact-Hardening Behavior of Calcium Silicate Hydrate Powders, Materials, 11, 12, 2018. Crossref

  4. Ausweger Mario, Binder Eva, Lahayne Olaf, Reihsner Roland, Maier Gerald, Peyerl Martin, Pichler Bernhard, Early-Age Evolution of Strength, Stiffness, and Non-Aging Creep of Concretes: Experimental Characterization and Correlation Analysis, Materials, 12, 2, 2019. Crossref

  5. Thai Minh-Quan, Nguyen-Sy Tuan, Wakim Jad, Vu Minh-Ngoc, To Quy-Dong, Nguyen The-Duong, Nguyen Thoi-Trung, A robust homogenization method for ageing and non-ageing viscoelastic behavior of early age and hardened cement pastes, Construction and Building Materials, 264, 2020. Crossref

  6. Akono Ange-Therese, Zhan Mimi, Chen Jiaxin, Shah Surendra P., Nanostructure of calcium-silicate-hydrates in fine recycled aggregate concrete, Cement and Concrete Composites, 115, 2021. Crossref

  7. Sanahuja Julien, Huang Shun, Mean-Field Homogenization of Time-Evolving Microstructures with Viscoelastic Phases: Application to a Simplified Micromechanical Model of Hydrating Cement Paste, Journal of Nanomechanics and Micromechanics, 7, 1, 2017. Crossref

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