STUDY ON ULTIMATE BOND STRENGTH AND ANCHORAGE LENGTH OF THE REBAR IN THE RECYCLED AGGREGATE CONCRETE

Wang Bo; Bai Guoliang; Wu Shuhai; Feng Xiangdong; Li Jian

doi:10.13204/j.gyjz201308013

Volume 43 Issue 8

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(8): 59-63,38

Wang Bo, Bai Guoliang, Wu Shuhai, Feng Xiangdong, Li Jian. STUDY ON ULTIMATE BOND STRENGTH AND ANCHORAGE LENGTH OF THE REBAR IN THE RECYCLED AGGREGATE CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 59-63,38. doi: 10.13204/j.gyjz201308013

Citation:

Wang Bo, Bai Guoliang, Wu Shuhai, Feng Xiangdong, Li Jian. STUDY ON ULTIMATE BOND STRENGTH AND ANCHORAGE LENGTH OF THE REBAR IN THE RECYCLED AGGREGATE CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 59-63,38. doi: 10.13204/j.gyjz201308013

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STUDY ON ULTIMATE BOND STRENGTH AND ANCHORAGE LENGTH OF THE REBAR IN THE RECYCLED AGGREGATE CONCRETE

doi: 10.13204/j.gyjz201308013

1.
1. School of Civil Engineering,Xi’an University of Architecture &Technology,Xi’an 710055,China;
2.
2. WISDRI Engineering &Research Incorporation Limited,Wuhan 430223,China;
3.
3. Shenzhen Construction Group Company,Shenzhen 518048,China

Received Date: 2012-12-19
Publish Date: 2013-08-20

Abstract

Abstract

According to the pull out test, this paper analyzed the influence factors which include the recycled aggregate replacement ratio, type of the rebar and strength grade of recycled concrete on ultimate bond strength and gave the formula to calculate the ultimate bond strength.Analysis shows that the calculated values agree well with the experimental results.The different research results for the influence of the recycled aggregate replacement ratio on the ultimate bond strength were analyzed comparatively, and the analysis shows that the recycled aggregate replacement ratio cannot be used as the only influence factor to analyze the influence on bond performance of the recycled aggregate and also need to consider the material performance of the recycled aggregate and the coupling effects between the recycled aggregate and the coarse aggregate.The increasing coefficient of ultimate bond strength was defined, and analysis shows that influence level of the rebar type is greatest, followed by diameter of the rebar, the influence level of the strength grade is least, and the ultimate bond strength of ordinary concrete is generally slightly larger than the recycled concrete when the recycled aggregate replacement rate is 100%.Finally, the suggested method which can determine the anchorage length was proposed.
- recycled aggregate concrete,
- ultimate bond strength,
- anchorage length,
- pull out test

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References(7)

References

[2] 肖建庄,李丕胜,秦薇.再生混凝土与钢筋间的黏结滑移性能[J].同济大学学报:自然科学版,2006,34(1):13－16.

Roos F A. ContRibution foR the Calculation of ConcRete with Recycled AggRegate AccoRding to DIN 1045－1[D].Munich:?Munich UniveRsity,2002.

[3] 赵军.再生混凝土黏结锚固性能的试验研究[D].南宁:广西大学,2007.

[4] 陈伟伟.再生混凝土黏结性能试验研究[D].哈尔滨:哈尔滨工业大学,2007.

[5] 王志伟,高春.再生骨料不同取代率混凝土黏结性能研究[J].低温建筑技术,2009(10):7－9.

[6] 王博,白国良,李坚,等.钢筋与再生混凝土黏结应力分布的试验研究及理论分析[J].工业建筑,2012,42(4):10－14.

[7] 过镇海,时旭东.钢筋混凝土原理和分析[M].北京:清华大学出版社,2003.

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