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Volume 38 Issue 11
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LI Guo-wei, LIU Xue, HE Guan-jun, SIDI, WU Jian-tao. Connection of frame beams with anchor roads with GFRP and steel bars[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(11): 1990-1998. DOI: 10.11779/CJGE201611008
Citation: LI Guo-wei, LIU Xue, HE Guan-jun, SIDI, WU Jian-tao. Connection of frame beams with anchor roads with GFRP and steel bars[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(11): 1990-1998. DOI: 10.11779/CJGE201611008
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Connection of frame beams with anchor roads with GFRP and steel bars

  • 1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China;
    2. Highway and Railway Research Institute, Hohai University, Nanjing 210098, China;
    3. Geotechnical Research Institute, Hohai University, Nanjing 210098, China

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  • Received Date: October 10, 2015
  • Published Date: November 19, 2016
    Graphical Abstract
    • Abstract
  • The connection of anchor rods with frame beams can significantly influence the anchoring effectiveness and technological process. Glass fiber reinforced polymer (GFRP) bar is a good substitute to steel bar owing to its significant corrosion resistance and high strength characteristics. The connecting quality between GFRP bars and frame beams is a problem that needs to be studied. Through model tests on anchorage of frame beams, the anchoring effect of GFRP bars, straight steel bars and bending steel bars is analyzed. The test results show that the device developed for the application of prestressing is stable, and easy to assemble and disassemble. The anchoring effectiveness of steel bars with bending end is better than that with straight bars. The anchoring quality of GFRP bars and steel bars is similar. In addition, anchor structure of GFRP bars cannot follow the existing standards designed for the bending steel bars, and its anchoring thickness needs to be decided by model tests on anchorage of frame beams for straight bars.
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    • References (18)
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