Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite

S. Rawat; Y. X. Zhang; C. K. Lee

doi:10.1007/978-981-99-3330-3_33

Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite

S. Rawat, Y. X. Zhang, C. K. Lee

Western Sydney University

Research output: Chapter in Book / Conference Paper › Conference Paper › peer-review

1 Citation (Scopus)

Abstract

We analyzed the effect of elevated temperatures on the integrity of high-strength engineered cementitious composite (ECC) made with a hybrid combination of polyethylene (PE) and steel fibers. The 50 mm cube specimens were subjected to temperature ranging from 200 to 800 °C at three different heating rates: 1, 5, and 10 °C/min. Five different types of mixes with varying content of supplementary cementitious materials and fibers were evaluated. No spalling was observed at 1–5 °C/min heating rate and <400 °C. However, at a heating rate of 10 °C/min for temperature 600–800 °C, all ECC specimens with a PE fiber volume of 1.25 and 1% steel fiber spalled explosively. Moreover, cementitious matrix with silica fume was more prone to spalling at 800 °C and the use of slag or quaternary blend of slag and dolomite at an optimum content was effective in maintaining the integrity of the ECC specimens even at very high heating rates. Thus, the type of cementitious matrix is equally important to consider, as well as fiber type and content, while analyzing the spalling resistance of ECC.

Original language	English
Title of host publication	Nanotechnology in Construction for Circular Economy, Proceedings of NICOM7, 31 October-02 November, 2022, Melbourne, Australia
Publisher	Springer
Pages	321-325
Number of pages	5
ISBN (Print)	9789819933297
DOIs	https://doi.org/10.1007/978-981-99-3330-3_33
Publication status	Published - 2023
Event	International Symposium on Nanotechnology in Construction - Duration: 31 Oct 2022 → …

Publication series

Name
ISSN (Print)	2366-2557

Conference

Conference	International Symposium on Nanotechnology in Construction
Period	31/10/22 → …

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10.1007/978-981-99-3330-3_33

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title = "Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite",

abstract = "We analyzed the effect of elevated temperatures on the integrity of high-strength engineered cementitious composite (ECC) made with a hybrid combination of polyethylene (PE) and steel fibers. The 50 mm cube specimens were subjected to temperature ranging from 200 to 800 °C at three different heating rates: 1, 5, and 10 °C/min. Five different types of mixes with varying content of supplementary cementitious materials and fibers were evaluated. No spalling was observed at 1–5 °C/min heating rate and <400 °C. However, at a heating rate of 10 °C/min for temperature 600–800 °C, all ECC specimens with a PE fiber volume of 1.25 and 1% steel fiber spalled explosively. Moreover, cementitious matrix with silica fume was more prone to spalling at 800 °C and the use of slag or quaternary blend of slag and dolomite at an optimum content was effective in maintaining the integrity of the ECC specimens even at very high heating rates. Thus, the type of cementitious matrix is equally important to consider, as well as fiber type and content, while analyzing the spalling resistance of ECC.",

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note = "International Symposium on Nanotechnology in Construction ; Conference date: 31-10-2022",

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Rawat, S, Zhang, YX & Lee, CK 2023, Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite. in Nanotechnology in Construction for Circular Economy, Proceedings of NICOM7, 31 October-02 November, 2022, Melbourne, Australia. Springer, pp. 321-325, International Symposium on Nanotechnology in Construction, 31/10/22. https://doi.org/10.1007/978-981-99-3330-3_33

Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite. / Rawat, S.; Zhang, Y. X.; Lee, C. K.
Nanotechnology in Construction for Circular Economy, Proceedings of NICOM7, 31 October-02 November, 2022, Melbourne, Australia. Springer, 2023. p. 321-325.

Research output: Chapter in Book / Conference Paper › Conference Paper › peer-review

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N2 - We analyzed the effect of elevated temperatures on the integrity of high-strength engineered cementitious composite (ECC) made with a hybrid combination of polyethylene (PE) and steel fibers. The 50 mm cube specimens were subjected to temperature ranging from 200 to 800 °C at three different heating rates: 1, 5, and 10 °C/min. Five different types of mixes with varying content of supplementary cementitious materials and fibers were evaluated. No spalling was observed at 1–5 °C/min heating rate and <400 °C. However, at a heating rate of 10 °C/min for temperature 600–800 °C, all ECC specimens with a PE fiber volume of 1.25 and 1% steel fiber spalled explosively. Moreover, cementitious matrix with silica fume was more prone to spalling at 800 °C and the use of slag or quaternary blend of slag and dolomite at an optimum content was effective in maintaining the integrity of the ECC specimens even at very high heating rates. Thus, the type of cementitious matrix is equally important to consider, as well as fiber type and content, while analyzing the spalling resistance of ECC.

AB - We analyzed the effect of elevated temperatures on the integrity of high-strength engineered cementitious composite (ECC) made with a hybrid combination of polyethylene (PE) and steel fibers. The 50 mm cube specimens were subjected to temperature ranging from 200 to 800 °C at three different heating rates: 1, 5, and 10 °C/min. Five different types of mixes with varying content of supplementary cementitious materials and fibers were evaluated. No spalling was observed at 1–5 °C/min heating rate and <400 °C. However, at a heating rate of 10 °C/min for temperature 600–800 °C, all ECC specimens with a PE fiber volume of 1.25 and 1% steel fiber spalled explosively. Moreover, cementitious matrix with silica fume was more prone to spalling at 800 °C and the use of slag or quaternary blend of slag and dolomite at an optimum content was effective in maintaining the integrity of the ECC specimens even at very high heating rates. Thus, the type of cementitious matrix is equally important to consider, as well as fiber type and content, while analyzing the spalling resistance of ECC.

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ER -

Spalling resistance of hybrid polyethylene and steel fiber-reinforced high-strength engineered cementitious composite

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