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Numerical Simulation of Chloride-Induced Corrosion Initiation in Reinforced Concrete Structures with Cracks
Publisher: American Society of Civil Engineers
Abstract: Steel corrosion is a major problem with concrete structures. For cracked concrete structures exposed to chloride environment, chloride diffusivity through the crack (
Calculation of Shrinkage Stress in Early-Age Concrete Pavements. II: Calculation of Shrinkage Stress
Publisher: American Society of Civil Engineers
Abstract: This paper focuses on modeling of the shrinkage stress in concrete pavements that experience nonlinear shrinkage strain through the depth of the slab. A closed form of an analytical solution of shrinkage stress is developed. ...
Calculation of Shrinkage Stress in Early-Age Concrete Pavements. I: Calculation of Shrinkage Strain
Publisher: American Society of Civil Engineers
Abstract: This paper focuses on modeling of the distribution of shrinkage strain in early-age concrete pavements. In the modeling, an integrative model for autogenous and drying shrinkage predictions of concrete at an early age is ...
Statistical Modeling of Pore Structures in Fresh Cement Paste Based on Dispersion Theory of Random Two-Phase Media
Publisher: ASCE
Abstract: Pore structures are critical for most properties of cementitious materials. To describe the initial pore structure of fresh cement paste, which is the foundation of the evolution of a pore network induced by hydration of ...
Multiscale Modeling of Elastic Modulus across Micro-Meso-Macroscales Based on Grid-Nanoindentation Test for Cementitious Materials
Publisher: ASCE
Abstract: Estimation of multiscale elastic parameters is of significance for precise design of cementitious material performances, which depends on the materials’ mineral compositions and microstructures. Nanoindentation technology ...