Shear behavior of reinforced concrete beams strengthened with aluminum alloy sheets

被引：0

作者：

Xu Y. ^{[1
]}

Wang Q. ^{[1
]}

Xie M. ^{[1
]}

Wei Q. ^{[1
]}

机构：

[1] Shenzhen Key Lab of Urban & Civil Engineering Disaster Prevention & Reduction, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, Guangdong

来源：

Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition) | 2020年 / 48卷 / 02期

关键词：

Bond-slip constitutive model; Damage degree; Finite element simulation; Shear bearing capacity; Shear reinforcement of aluminum alloy;

D O I：

10.13245/j.hust.200209

中图分类号：

学科分类号：

摘要：

The bonding performance between aluminum alloy and concrete were carried out on seven reinforced concrete beams by using the four-point bending test and finally verified by numerical simulation.The test results show that aluminum alloy can be well bonded to the surface of concrete beam for shear reinforcement.The bond stress between aluminum alloy and concrete can reach up to 3.2 MPa.The shear capacity of concrete beams can be increased by 25.83%~46.60%, the deflection can be improved by 5.7%~30.1%, and the strength utilization of aluminum alloy can reach 54%~84%.The 45° side slanting paste is optimistic for the shear reinforcement effect of the concrete beam, especially for the case where there is a large pipeline passing under the structure;as the damage degree increases, the shear reinforcement effect of the aluminum alloy is weaker.The strength utilization rate of aluminum alloys also began to decline.Therefore, in the actual reinforcement process, the aluminum alloy reinforced concrete beams need to be timely, so that the safety can be better protected. © 2020, Editorial Board of Journal of Huazhong University of Science and Technology. All right reserved.

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页码：47 / 53

页数：6

共 11 条

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