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Title: Latex-modified engineered cementitious composites (L-ECC)
Authors: Chen, Zhitao
Yang, En-Hua
Yang, Yingzi
Yao, Yan
Keywords: DRNTU::Engineering::Materials::Ceramic materials
DRNTU::Engineering::Civil engineering::Structures and design
Issue Date: 2014
Source: Chen, Z., Yang, E.-H., Yang, Y., & Yao, Y. (2014). Latex-modified engineered cementitious composites (L-ECC). Journal of advanced concrete technology, 12(12), 510-519.
Series/Report no.: Journal of advanced concrete technology
Abstract: This paper reports the influence of polymer latex on the fresh and the hardened properties of engineered cementitious composites (ECC), a unique strain-hardening cement-based material featuring extreme tensile strain capacity of 3-5%. Ethylene-vinyl acetate (EVA) dispersible polymer powder was employed in the synthesis of latex-modified ECC (L-ECC). The effects of EVA dosage on viscosity, air content, compressive strength, direct tensile stress-strain relation, four point bending behavior, and microstructure of L-ECC were reported. It was found that the addition of EVA increases the viscosity and the air content of fresh mixture. While the compressive and the tensile strength of L-ECC decrease with increasing EVA dosage, the tensile strain capacity and the toughness of the resulting material show significant enhancement. This is attributed to the change of microstructure as evidenced by the SEM images when EVA is used in the mixture.
ISSN: 1346-8014
DOI: 10.3151/jact.12.510
Rights: © 2014 Japan Concrete Institute. This paper was published in Journal of Advanced Concrete Technology and is made available as an electronic reprint (preprint) with permission of Japan Concrete Institute. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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