Abstract
This paper presents an experimental investigation on the influence of specimen slenderness on axial compressive behavior of concrete-filled fiber reinforced polymer (FRP) tubes (CFFTs). A total of 18 aramid FRP- (AFRP) confined high-strength concrete (HSC) specimens with circular cross-sections were tested. Specimens with height-to-diameter ratios of 1, 2, 3 and 5 were manufactured and tested, with all specimens maintaining a nominal diameter of 150 mm. The results indicate that specimens with an H/D of 1 exhibit significantly higher strength and strain enhancements compared to specimens with H/D ratios of 2 to 5. The influence of slenderness on specimens with H/D ratios between 2 and 5 was found to be significant in regards to axial strain enhancement, with a decrease observed as specimen slenderness increased. On the other hand, the influence of slenderness on axial strength enhancement of specimens with H/D ratios between 2 and 5 was found to be negligible.
| Original language | English |
|---|---|
| Pages | 963-968 |
| Number of pages | 6 |
| DOIs | |
| Publication status | Published - 20 Feb 2014 |
| Event | 3rd International Conference on Civil Engineering and Transportation - Kunming, China Duration: 14 Dec 2013 → 15 Dec 2013 |
Conference
| Conference | 3rd International Conference on Civil Engineering and Transportation |
|---|---|
| Country/Territory | China |
| City | Kunming |
| Period | 14/12/13 → 15/12/13 |
Keywords
- Columns
- Concrete
- Concrete-filled FRP tube (CFFT)
- Confinement
- Fiber reinforced polymer (FRP)
- High-strength concrete (HSC)
- Slenderness
- Stress-strain relations
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