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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Lattice Modeling of Early-Age Cracking in Restrained Ring Specimens
Author(s): Jingu Kang and John E. Bolander
Publication: Special Publication
Appears on pages(s): 1-10
Keywords: fiber-reinforced concrete, fracture, lattice modeling, restrained ring test, shrinkage
Abstract:This paper presents simulations of early-age concrete behavior, as observed during restrained ring tests. The steel and concrete rings are represented by an irregular lattice model. The evolution of concrete properties, including stiffness and strength, is based on simple models and experimental results. For simulating cases of steel fiber-reinforced concrete, each fiber is explicitly represented within the concrete ring. The simulation results compare well with the experimental data, including readings from strain gages attached to the steel rings. As expected, the addition of short fibers prolongs the time to cracking and reduces crack widths. Viability of the model, as a means for analyzing the early-age behavior of fiber-reinforced concrete, is discussed.
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