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中南大学学报(英文版)

Journal of Central South University

Vol. 22    No. 6    June 2015

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Synergistic effect of a new wedge-bond-type anchor for CFRP tendons
XIE Gui-hua(谢桂华), LIU Rong-gui(刘荣桂), CHEN Bei(陈蓓), LI Ming-jun(李明君), SHI Tian-gang(石天罡)

Faculty of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang 212013, China

Abstract:In order to improve the anchoring force of anchors for carbon fiber reinforced polymer (CFRP) tendons further, a new wedge-bond-type anchor for CFRP tendons was developed. The increment in anchoring force induced by the clamping segment of anchor was studied. Taking the deformation of all parts in clamping segment in the transverse direction into consideration, the calculation formula for the increment of anchoring force was proposed based on the linear elastic hypotheses. The proposed model is verified by experiments and conclusions are drawn that the anchoring force is influenced mainly by the inclination angle of clamping pieces, the length of clamping part and the thickness of bonding medium. Especially, the thickness of bonding medium should be lowered in design to improve the synergistic effect of anchors.

 

Key words: carbon fiber reinforced polymer; anchor; wedge-bond-type; synergistic effect; elastic mechanics

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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