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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Evaluation of Sequentially Linear Finite
Element Analysis to Simulate Nonlinear
Response of Cement-Based Composites
Author(s): S.L. Billington
Publication: Special Publication
Appears on pages(s): 265-282
Keywords: engineered cementitious composites; mortar; nonlinear finite element analysis; saw-tooth model; sequentially linear analysis; smeared cracking.
Abstract:This paper presents a brief study of sequentially linear analysis compared
with traditional nonlinear analysis to simulate the response of small-scale, slender beams made of mortar and of engineered cementitious composites, a class of highperformance fiber-reinforced cement-based composites, subjected to four-point bending. Nonlinear finite element analyses are conducted using a smeared crack model and sequentially linear analyses are conducted using in one case, a saw-tooth model to preserve fracture energy dissipation. Load-displacement response, tensile strain history, cracking behavior, and convergence of the analyses are discussed. It was found that both the nonlinear and sequential linear analyses were able to predict
similar load-displacement responses as well as similar cracking patterns and failure modes as were observed in the experiments. The sequential linear analyses were easily able to simulate a snapback behavior. Mesh sensitivity was also observed in the analyses, as fracture energy-dependent models were not adopted for these comparisons.
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