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Effect of elevated temperatures on the mechanical performance of pultruded FRP joints with a Single Ordinary or Blind Bolt
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Wu, C., Bai, Y. and Mottram, J. Toby (2016) Effect of elevated temperatures on the mechanical performance of pultruded FRP joints with a Single Ordinary or Blind Bolt. Journal of Composites for Construction, 20 (2). 04015045. doi:10.1061/(ASCE)CC.1943-5614.0000608
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WRAP_8773432-es-060715-wu_c_bai_y_mottram_jt_jcc_2015.pdf - Accepted Version - Requires a PDF viewer. Download (566Kb) | Preview |
Official URL: http://dx.doi.org/10.1061/(ASCE)CC.1943-5614.00006...
Abstract
Presented in this paper is a combined experimental and analytical modeling study of the strength of pultruded fiber-reinforced polymer (FRP) single-bolted double-lap joints subjected to tensile loading and elevated temperatures. Dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) are conducted on the polymeric composite material to determine the glass transition temperature and decomposition temperature, respectively. Based on the DMA and TGA results, and to cover glass transition without any material decomposition, the six temperatures selected for the test program are +23+23, +60+60, +100+100, +140+140, +180+180, and +220°C+220°C. Three nominally identical joints are tensioned to failure at each temperature. A total of 36 double-lap joints are tested, comprising 18 joints fabricated with ordinary steel bolting and the other 18 with novel blind bolting. A comparison is made based on load-displacement curves, failure modes, and maximum (ultimate) loads. It is found that both methods of mechanical fastening experience a reduction of 85% in maximum load as the test temperature increases from +23+23 to +220°C+220°C. Three proposed empirical or mechanism-based models for characterizing strength under elevated temperatures are shown to provide good predictions for the maximum loads obtained in the test program.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Joints (Engineering) -- Testing -- Research, Bolted joints, Reinforced plastics -- Technological innovations, Polymers -- Heat treatment | ||||||||
| Journal or Publication Title: | Journal of Composites for Construction | ||||||||
| Publisher: | American Society of Civil Engineers | ||||||||
| ISSN: | 1090-0268 | ||||||||
| Official Date: | April 2016 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 28 January 2016 | ||||||||
| Volume: | 20 | ||||||||
| Number: | 2 | ||||||||
| Article Number: | 04015045 | ||||||||
| DOI: | 10.1061/(ASCE)CC.1943-5614.0000608 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Australian Research Council (ARC), Monash University |
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