期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 273, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.121760
关键词
Alkali-activated slag; Composites; Fiber; Micromechanal analysis; Tensile properties
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2019R1A2C4069794]
- National Research Foundation of Korea [2019R1A2C4069794] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This experimental study explores the effects of different types of PE fibers and curing methods on the compressive strength and tensile behavior of calcium-based alkali-activated slag composites. The research found that the types of PE fibers significantly affected the properties of the composites and the interface properties between matrix and PE fibers depend on the types of PE fibers. Tension test results were explained through fiber-bridging analysis.
This paper presents an experimental study exploring the effects of different types of polyethylene (PE) fibers and curing methods on the compressive strength and tensile behavior of calcium-based alkali-activated slag composites. Three types of PE fibers were used and a matrix mixture was designed using slag and calcium hydroxide. A series of experiments was performed to measure and compare the compressive strength and tensile properties of each mixture, and single fiber pullout test and fiber-bridging analysis were also performed. It was found that the types of PE fibers and curing methods significantly affected the properties of the composites. The single fiber pullout test results showed that the interfacial properties between matrix and PE fiber depend on the types of PE fibers. The tension test results were explained by performing fiber-bridging analysis. (C) 2020 Elsevier Ltd. All rights reserved.
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