STUDY ON CRACK WIDTHS OF NORMAL SECTIONS OF RECYCLED CONCRETE BEAMS

Liu Chao; Bai Guoliang; Feng Xiangdong; Zhang Fengjian; Yin Lei; Xu Jie

doi:10.13204/j.gyjz201305014

Volume 43 Issue 5

Dec. 2014

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Liu Chao, Bai Guoliang, Feng Xiangdong, Zhang Fengjian, Yin Lei, Xu Jie. STUDY ON CRACK WIDTHS OF NORMAL SECTIONS OF RECYCLED CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 64-67. doi: 10.13204/j.gyjz201305014

Citation:

Liu Chao, Bai Guoliang, Feng Xiangdong, Zhang Fengjian, Yin Lei, Xu Jie. STUDY ON CRACK WIDTHS OF NORMAL SECTIONS OF RECYCLED CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 64-67. doi: 10.13204/j.gyjz201305014

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STUDY ON CRACK WIDTHS OF NORMAL SECTIONS OF RECYCLED CONCRETE BEAMS

doi: 10.13204/j.gyjz201305014

1.
1. School of Science,Xi’an University of Architecture &Technology,Xi’an 710055,China;
2.
2. School of Civil Engineering,Xi’an University of Architecture &Technology,Xi’an 710055,China;
3.
3. Post-Doctoral Research Station of Materials Science and Engineering,Xi’an University of Architecture &Technology,Xi’an 710055,China;
4.
4. Shenzhen Construction Group Company,Shenzhen 518048,China;
5.
5. Department of Civil and Materials Engineering,Henan University of Urban Construction,Pingdingshan 467036,China

Received Date: 2012-07-25
Publish Date: 2013-05-20

Abstract

Abstract

Based on the crack widths of normal sections of recycled concrete beams under short term loading, the similarities and differences between normal concrete and recycled concrete were compared.It was focused on the crack developing mechanism and width influencing factors of recycled concrete crack.The expression of flexural crack width of recycled concrete beams was presented based on the bond-slip theory and the experiments result.The results showed that the recycled aggregate replacing rate was the extraessential factor of recycled concrete crack, and high discreteness was the main features.The calculation precision of the crack width formula was proved sufficient to meet the demand of design by the test results.
- recycled concrete,
- crack width,
- bond-slip

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References(7)

References

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