Upgrading of reinforced concrete joints with carbon fibre sheets

Ronagh, H. R. and Mahini, S. S. (2005). Upgrading of reinforced concrete joints with carbon fibre sheets. In: G. Heidarinejad and A. A. Tasnimi, Proceedings of 2nd International Conference on Concrete and Development. دومين كنفرانس بين المللي بتن و توسعه, Tehran, Iran, (1-10). 30 April - 2 May 2005.

Author Ronagh, H. R.
Mahini, S. S.
Title of paper Upgrading of reinforced concrete joints with carbon fibre sheets
Language of Title eng
Conference name دومين كنفرانس بين المللي بتن و توسعه
Translated conference name 2nd International Conference on Concrete and Development (2nd, ICCD-2, 2005)
Conference location Tehran, Iran
Conference dates 30 April - 2 May 2005
Proceedings title Proceedings of 2nd International Conference on Concrete and Development
Place of Publication Tehran, Iran
Publisher Building and Housing Research Centre
Publication Year 2005
Sub-type Fully published paper
Editor G. Heidarinejad
A. A. Tasnimi
Start page 1
End page 10
Total pages 10
Collection year 2005
Language eng
per
Formatted Abstract/Summary
This paper presents the results of an experimental study performed in order to evaluate the ability of CFRP sheets in upgrading an exterior RC joint by preventing the plastic hinge formation at the face of the column. In this study, three 1/2.2 scaled-down RC exterior joints of a typical Ordinary Moment Resisting Frame (OMRF) were tested under monotonic load. One specimen was used as a control while the other two were strengthened with CFRP sheets of different lengths. All specimens were loaded monotonically to failure under a displacement-controlled regime. The results show that (when carefully designed), carbon fibre sheets can effectively relocate the plastic hinge away from the face of the column. Non-linear numerical analysis using ANSYS provided an insight to the expected failure mechanism and to this phenomenon. In this paper, the results of the experiments and the numerical analyses are presented and discussed.
Subjects E1
290801 Structural Engineering
680203 Civil
Keyword Carbon fibre sheets
Reinforced concrete joints
Plastic hinge
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Presentation code: CD2-037. Paper code: CD2-74. Iranian year: 1384AP.

 
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Created: Thu, 23 Aug 2007, 21:32:07 EST