Muhamad Soffi, Manda and Mohd Ruzaimi, Mat Rejab and Nor Shaufina, Md Jaafar (2023) Spiral wrap using CFRP strip to strengthen TSPC column under compression. In: Proceedings 2nd International TVET & Entrepreneurship Conference 2023. 2nd International TVET & Entrepreneurship Conference 2023 (ITEC 2023) , 11-12 October 2023 , Politeknik Negeri Medan & Politeknik Kota Bharu. pp. 247-256.. ISBN 978-967-2702-70-2
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Abstract
This study investigates the compressive strength enhancement of TSPC column under spiral wrap orientation of CFRP strips in comparison with conventional transverse CFRP wrap on the TSPC circular column samples. The test samples were prepared by wrapping TSPC with 30 mm CFRP strip with 0.60 angular offsets from bottom and continuously wrapped until it reaches top of the TSPC column. The matrix employed was epoxy Sikadur 330-part A and B. Compression test was performed on unconfined TSPC (TSPC-UC), TSPC with transverse CFRP confinement (TSPC-CF) and TSPC with spiral CFRP strip confinement (TSPC-CS) with 1mm/ min of loading rate. The test results have revealed that the ultimate strengths are 59.19 MPa (TSPC-UC), 108.77 MPa (TSPC-CF) and 116.53 MPa (TSPC-CS). The corresponding compressive strain measured at ultimate compressive strength is 0.0300 (TSPC-UC), 0.0398 (TSPC-CF) and 0.0420 (TSPC-CS). Stress versus strain curve has shown that compared to TSPC-UC, TSPC-CF and TSPC-CS has provided strength enhancement and improvement of yield point indicate the confinement effect on the test samples. However, TSPC-CS has shown just little strength enhancement compared to TSPC-CF which reveals its incompatibility due to complexity of spiral wrap preparation process. Failure mode of TSPC-UC has shown shear crushing, TSPC-CF, delamination, and transverse fractured and TSPC-CS exhibit angular fractured. The results of this study have provided findings on the effect of spiral CFRP strip confinement on TSPC circular column sample in close expectation based on literature.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | TSPC; Spiral CFRP confinement, Compression; Stress versus strain; Failure modes |
| Subjects: | T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TL Motor vehicles. Aeronautics. Astronautics |
| Faculty/Division: | Institute of Postgraduate Studies Faculty of Mechanical and Automotive Engineering Technology |
| Depositing User: | Mr Muhamad Firdaus Janih@Jaini |
| Date Deposited: | 24 Jan 2024 06:38 |
| Last Modified: | 25 Jan 2024 01:11 |
| URI: | http://umpir.ump.edu.my/id/eprint/40171 |
| Download Statistic: | View Download Statistics |
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