Experimental Research on Mechanical Performance of Self-Compacting Reinforced Concrete Beam with Recycled Coarse Aggregates

Abstract:

In order to study the mechanical performance of self-compacting reinforced concrete beam with recycled coarse aggregates, recycled concrete and recycled gravel were taken as coarse aggregates with the particle size from 50 to150mm, two groups of specimen of self-compacting reinforced concrete beams with recycled coarse aggregates were made. After seven days, their bending strength were tested using method of one-third point loaded of simple beam on the testing machine. The results showed that the recycled coarse aggregates are bonded closely with the self-compacting concrete, its bond performance is good; Compared to ordinary reinforced concrete beam, it shows a smaller stiffness and a bigger mid-span deflection. In addition, the different combination of recycled concrete could reduce the self-compacting reinforced concrete’s stiffness with recycled coarse aggregate and increase its deflection.

• Periodical: Advanced Materials Research (Volumes 374-377)
• Pages: 1887-1890
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.374-377.1887
• Online since: October 2011
• Authors: Jing Li, Xian Feng Qu, Hai Yang Chen, Juan Li, Lin Jiang
• Keywords: Big Recycled Aggregates, Mechanical Performance, Self-Compacting Concrete (SCC)

References

[1] C. S. Poon, D.W S. Ho. A Feasibility Study on the Utilization of R-FA in SCC[J]. Cement and Concrete Research. Vol. 34(2004), p.2337.

DOI: 10.1016/j.cemconres.2004.02.013

[2] HUANG Miansong, ZHOU Hu, AN Xuehui, JIN Feng. A Pilot Study on Integrated Properties of Rock-Filled Concrete[J].Journal of Building Materials. Vol. 11(2008), p, 206, China

[3] J. Li, L. Jiang, Z. Liu and L.F. Wang: J. Exp. Mech. Vol. 25 (2010), p.425, China.

[4] J. Li, L.F. Wang, Z. Liu and L. Jiang: Sci. Tech. Eng. Vol. 10 (2010), p.3272, China.

[5] SHI Jingjun, ZHANG Zhiheng. Experiment on Self-Compacting Concrete Filling Rock-Fill[J]. Journal of Nanhua University(Science and Technology), Vol. 19 (2005), p.38.China.

[6] JIN Feng, AN Xuehui, SHI Jianjun, etal.. Study on rock-fill concrete dam[J]. Journal of Hydraulic Engineering, Vol. 36(2005), p.1347, China.

[7] XU Wei, FANG Rong. Main Properties of Recycled Concrete Applied to Hydraulic Projects[J]. Zhejiang Hydrotechnics, Vol. 167(2010), p.24, China.

[8] J. Li, L.F. Wang, Z. Liu and L. Jiang: Low Temp. Architect. Tech. Vol. 147(2010), p.10, China.