EXPERIMENTAL RESEARCH ON THE INFLUENCING FACTORS OF THE BOND PERFORMANCE BETWEEN PRINTED CONCRETE AND REBAR

WU Lei; YANG Wei; SUN Yuan; KANG Qiang; WAN Zhiming

doi:10.13204/j.gyjzG20011603

Volume 50 Issue 11

Mar. 2021

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WU Lei, YANG Wei, SUN Yuan, KANG Qiang, WAN Zhiming. EXPERIMENTAL RESEARCH ON THE INFLUENCING FACTORS OF THE BOND PERFORMANCE BETWEEN PRINTED CONCRETE AND REBAR[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(11): 32-38,132. doi: 10.13204/j.gyjzG20011603

Citation:

WU Lei, YANG Wei, SUN Yuan, KANG Qiang, WAN Zhiming. EXPERIMENTAL RESEARCH ON THE INFLUENCING FACTORS OF THE BOND PERFORMANCE BETWEEN PRINTED CONCRETE AND REBAR[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(11): 32-38,132. doi: 10.13204/j.gyjzG20011603

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EXPERIMENTAL RESEARCH ON THE INFLUENCING FACTORS OF THE BOND PERFORMANCE BETWEEN PRINTED CONCRETE AND REBAR

doi: 10.13204/j.gyjzG20011603

School of Civil Engineering, Southeast University, Nanjing 210000, China

Received Date: 2020-07-18
Available Online: 2021-03-31

Abstract

Abstract

The concrete printing process of one-by-one extrusion and layer forming makes the mechanical properties of the printed concrete material show obvious anisotropy. In addition, the reinforcement method is limited by the printing process. Rebar can only be placed between horizontal layers and then laminated to print. The bonding performance between concrete and steel bars is affected by many factors such as printing process and steel bar placement. In this paper, the effects of steel bar diameter, strength of printed concrete, printing technology and placement of steel bar on the bonding properties of steel bar and printed concrete were studied by designing orthogonal experiment. It is concluded that the method of printing along the lines should be preferentially used and the method of embedding the reinforcing bars should be buried to improve the bonding performance between the reinforcing bars and the printed concrete.
- 3D printing materials,
- rebar,
- bond performance,
- orthogonal test

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References(17)

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