Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
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Article Number | 07038 | |
Number of page(s) | 8 | |
Section | Chapter 7 Materials Application and Engineering | |
DOI | https://doi.org/10.1051/matecconf/20166707038 | |
Published online | 29 July 2016 |
Testing on Axial Compression of Damaged RC Columns Reinforced by Winding Steel Wire
School of Civil Engineering and Architecture, Xi’an University of Technology china
a sjhfr@163.com
b 996936060@qq.com
c liumaoshe@xaut.edu.cn
* Corresponding author: sjhfr@163.com
Four groups of specimens of damaged RC columns reinforced by winding steel wire were tested for axial compressions. One group was undamaged RC columns; the others were damaged RC columns, the width of crack developing was regarded as damage index, they were respectively 0.3mm, 1.0mm and 1.5mm, the helically-wound method was adopted for reinforcement, and winding spacing was 50mm. The testing results showed that under reinforcement the load of damaged columns improved a bit in comparison with undamaged ones, but with a little range, however, the strain of longitudinal reinforcement, stirrup and concrete could improve greatly, which indicated that it had a good effect to reinforce the damaged columns by winding steel wire, meanwhile, the ductility of damaged columns was improved apparently.
© The Authors, published by EDP Sciences, 2016
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