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Bonding Properties of Aluminum Alloy Plate and Concrete

Haoran Wang

Article ID: 1054
Vol 3, Issue 1, 2019, Article identifier:

VIEWS - 178 (Abstract) 76 (PDF)

Abstract

Aluminum alloy material has the advantages of high strength, good deformation performance, corrosion resistance, etc. it is an ideal material for steel reinforced concrete structure reinforcement engineering in coastal erosion environment. The cohesive property of aluminum alloy plate and concrete is the key problem whether the aluminum alloy plate and steel bar concrete beam can work together. Based on this, the bonding performance between aluminum alloy plate and concrete is tested and theoretically studied. Considering the influence of strength of mixed concrete, width and thickness of aluminum alloy plate, bonding length and interface treatment on the bonding performance of aluminum alloy plate and concrete block, a set of specimen fixing device was designed, and 105 bonded specimens of aluminum alloy plate and mixed concrete prism were tested in-plane single shear by universal testing machine. According to the test results and theoretical analysis, the typical characteristics of cohesive failure, shear stress distribution curve and cohesive slip curve of aluminum alloy plate and mixed concrete are obtained. The research shows that there are two types of failure of the specimen: interfacial peeling failure and mixed concrete layer peeling failure. Interface treatment has an important influence on the bonding performance. The specimens without roughening the bonding interface have interface peeling and breaking, while other specimens have concrete layer peeling and breaking. As the strength of the mixed concrete increases and the width and thickness of the aluminum alloy plate decrease, the cohesiveness can be improved. There is an effective adhesive length. When the adhesive length is greater than the effective adhesive length, increasing the adhesive length does not increase the ultimate load of the connection.


Keywords

Aluminum alloy plate; Adhesion property; In-plane single shear test; Shear stress; Stripping failure

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References

Xing Guohua, Xie Pengyu, Song Qixi, et al. Research on the Mechanical Properties of Aluminum Alloy Rein-forced Concrete Beams Strengthened with External Prestressing Force [J]. Silicate Bulletin, 2016,35 (3): 831-836.

Liu Hongbin. Theoretical and Experimental Study on Failure Mode of Mixed Concrete Beam with Aluminum Alloy and Steel Reinforcement [D]. Harbin: Harbin Institute of Technology, 2011.

Tu Guigang. Experimental study and numerical analysis of aluminum alloy reinforced steel reinforced con-crete beams [D]. Harbin: Harbin Institute of Technology, 2011.

Song Qixi. Study on Mechanical Properties of Aluminum Alloy Reinforced Concrete Beams with External Pre-stressing Force and Solidification [D]. Xi 'an: Chang 'an University, 2015.


DOI: http://dx.doi.org/10.18063/scr.v3i1.1054
(178 Abstract Views, 76 PDF Downloads)

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