Published June 30, 2023 | Version CC BY-NC-ND 4.0
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Effect of Hybrid FRP Confinement on Tin Slag Polymer Concrete Compressive Strength

Creators

  • 1. Department of Mechanical Engineering, Polytechnic Sultan Haji Ahmad Shah (POLISAS), 25350 Semambu, Kuantan, Pahang, Malaysia.
  • 2. Structural PerformanceMaterial Engineering (SUPREME), Faculty of Mechanical & Automotive Engineering Technology, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia.
  • 3. Centre for Advanced Composites (CACM), Universiti Teknologi Malaysia (UTM), 81310 UTM Skudai, Johor Bahru, Johor, Malaysia.
  • 4. School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 UTM Skudai, Johor Bahru, Johor, Malaysia.

Contributors

Contact person:

  • 1. Department of Mechanical Engineering, Polytechnic Sultan Haji Ahmad Shah (POLISAS), 25350 Semambu, Kuantan, Pahang, Malaysia.

Description

Abstract: This study investigates the strength enhancement of Tin Slag Polymer Concrete (TSPC) under hybrid GFRP and CFRP confinement in comparison with mono GFRP and CFRP confinement on TSPC circular short column samples. Hybrid FRP confinement is prepared by wrapping TSPC with GFRP followed by CFRP both 1 layer using epoxy Sikadur 330 as matrix binders with 50 mm overlap. Compression test was performed on unconfined TSPC (TSPC-UC), TSPC with GFRP confinement (TSPC-GF), TSPC with CFRP confinement (TSPC-CF) and TSPC with hybrid FRP confinement (TSPC-HB) with 1mm/ min loading rate. The test results have revealed that the ultimate strengths are 59.19 MPa (TSPC-UC), 85.54 MPa (TSPC-GF), 108.77 MPa (TSPC-CF) and 124.59 MPa (TSPC-HB). The corresponding compressive strain measured at ultimate compressive strength is 0.0300 (TSPC-UC), 0.0453 (TSPC-GF), 0.0398 (TSPC-CF) and 0.0588 (TSPC-HB). Stress versus strain curve has shown that compared to TSPC-UC, externally strengthen sample with GFRP, CFRP and Hybrid FRP have enhanced TSPC strength with slight different behavior. TSPC-GF has less strength enhancement with larger strain while TSPC-CF provide larger strength enhancement but with lower strain. However, TSPC-HB has shown the highest strength enhancement with larger strain benefit from combined GFRP and CFRP properties. Failure mode of hybrid FRP confinement on TSPC (TSPC-HB) has shown combination of both FRP components failure mode (TSPC-GF and TSPC-CF) as in rupture pattern and delamination. The results of this study has provide findings on the effect of hybrid FRP confinement on TSPC circular column sample in close expectation based on literatures.

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ISSN: 2249-8958 (Online)
https://portal.issn.org/resource/ISSN/2249-8958#
Retrieval Number:100.1/ijeat.E41960612523
https://www.ijeat.org/portfolio-item/e41960612523/
Journal Website: www.ijeat.org
https://www.ijeat.org/
Publisher: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP)
https://www.blueeyesintelligence.org//