Abstract
Ordinary Portland cement (OPC) concrete is the most commonly used construction material. Although OPC concrete has an irreplaceable role in today's world, it is also responsible for about 8% of the global CO2 emission. Alkali activated cement (AAC) is an emerging binder type that has been proven to be an excellent alternative to OPC. Researches are now focused on characterizing the various behaviors of this binder. One such area of interest is the behavior of fiber-reinforced alkali-activated concrete. This study investigates the performance of two alkali-resistant glass fibers and one high-performance polyvinyl alcohol (PVA) microfiber in AAC concrete. Three AAC and two OPC concrete mixes were taken as a control. The influence of different fiber contents on the workability and the compressive and flexural strengths was investigated. Furthermore, the stress-strain relationship and load-deformation curves are studied for the control and 0.5% PVA fiber content specimens. The results showed that the workability of fiber-reinforced AAC decreased with the increase of fiber content. The fibers improved the flexural performance of the concrete and showed some minor improvements on the compressive strength.
| Original language | English |
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| Title of host publication | The 2021 World Congress on Advances in Structural Engineering and Mechanics (ASEM21) |
| Editors | Chang-Koon Choi, Thomas Kang, Hyo-Gyoung Kwak |
| Publisher | ASEM |
| Pages | 1-9 |
| Number of pages | 9 |
| Publication status | Published - 2021 |
| Externally published | Yes |
| Event | The 2021 World Congress on Advances in Structural Engineering and Mechanics (ASEM21) - Seoul, Korea, Democratic People's Republic of Duration: 23 Aug 2021 → 26 Aug 2021 |
Conference
| Conference | The 2021 World Congress on Advances in Structural Engineering and Mechanics (ASEM21) |
|---|---|
| Country/Territory | Korea, Democratic People's Republic of |
| City | Seoul |
| Period | 23/08/21 → 26/08/21 |