Optimal design for epoxy polymer concrete based on mechanical properties and durability aspects

Ferdous, Wahid ORCID: https://orcid.org/0000-0002-4473-4722 and Manalo, Allan ORCID: https://orcid.org/0000-0003-0493-433X and Wong, Hong S. and Abousnina, Rajab and Alajarmeh, Omar S. ORCID: https://orcid.org/0000-0002-9446-5436 and Zhuge, Yan and Schubel, Peter ORCID: https://orcid.org/0000-0003-1610-0922 (2020) Optimal design for epoxy polymer concrete based on mechanical properties and durability aspects. Construction and Building Materials, 232:117229. pp. 1-13. ISSN 0950-0618


Polymer concrete has shown a number of promising applications in building and construction, but its mix design process remains arbitrary due to lack of understanding of how constituent materials influence performance. This paper investigated the effect of resin-to-filler ratio and matrix-to-aggregate ratio on mechanical and durability properties of epoxy-based polymer concrete in order to optimise its mix design. A novel combination of fire-retardant, hollow microsphere and fly ash fillers were used and specimens were prepared using resin-to-filler ratios by volume from 100:0 to 40:60 at 10% increment. Another group of specimens were prepared using matrix-to-aggregate ratios from 1:0 decreasing to 1:0.45, 1:0.90 and 1:1.35 by weight at constant resin-to-filler ratio. The specimens were inspected and tested under compressive, tensile and flexural loading conditions. The epoxy polymer matrix shows excellent durability in air, water, saline solution, and hygrothermal environments. Results show that the resin-to-filler ratio has significant influence on the spatial distribution of aggregates. Severe segregation occurred when the matrix contained less than 40% filler while a uniform aggregate distribution was obtained when the matrix had at least 40% filler. Moreover, the tensile strength, flexural strength and ductility decreased with decrease in matrix-to-aggregate ratio. Empirical models for polymer concrete were proposed based on the experimental results. The optimal resin-to-filler ratio was 70:30 and 60:40 for non-uniform and uniform distribution of aggregates, respectively, while a matrix-to-aggregate ratio of 1:1.35 was optimal in terms of achieving a good balance between performance and cost.

Statistics for USQ ePrint 37280
Statistics for this ePrint Item
Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -)
Faculty/School / Institute/Centre: Historic - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying (1 Jul 2013 - 31 Dec 2021)
Date Deposited: 16 Dec 2019 05:30
Last Modified: 18 Mar 2022 12:51
Uncontrolled Keywords: Epoxy polymer concreteResin-to-filler ratio, Matrix-to-aggregate ratio, Empirical modelling, Properties, Optimal design
Fields of Research (2008): 09 Engineering > 0905 Civil Engineering > 090506 Structural Engineering
09 Engineering > 0905 Civil Engineering > 090503 Construction Materials
Fields of Research (2020): 40 ENGINEERING > 4005 Civil engineering > 400510 Structural engineering
40 ENGINEERING > 4005 Civil engineering > 400505 Construction materials
Socio-Economic Objectives (2008): E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering
Identification Number or DOI: https://doi.org/10.1016/j.conbuildmat.2019.117229
URI: http://eprints.usq.edu.au/id/eprint/37280

Actions (login required)

View Item Archive Repository Staff Only