Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete-Reference-Cited by-同舟云学术

Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete

Published:2021-01-01 Issue:1 Volume:60 Page:853-861
ISSN:1605-8127
Container-title:REVIEWS ON ADVANCED MATERIALS SCIENCE
language:en
Short-container-title:

Author:

Su Tian¹,Wang Ting¹,Yi Haihe¹,Zheng Rui¹,Liu Yizhe¹,Zhai Haoran²,Huang Zhanfang¹

Affiliation:

1. Department of Civil Engineering, School of Civil and Architectural Engineering, Shandong University of Technology , Zibo , Shangdong , 255000 , China

2. Shandong Hi-Speed Urban & Rural Development Group Co. Ltd , Jinan , Shangdong , 250014 , China

Abstract

Abstract In this article, the ABAQUS finite element software is used to simulate the bond behavior of the steel bar in salt–frost-damaged recycled coarse aggregate concrete, and the influence of the steel bar diameter and the concrete cover thickness on the bond strength is investigated. The result shows that the calculated bond–slip curve is in good agreement with the experimental bond–slip curve; the mean value of the ratio of the calculation results of ultimate bond strength to the experiment results of ultimate bond strength is 1.035, the standard deviation is 0.0165, and the coefficient of variation is 0.0159, which proves that the calculation results of the ultimate bond strength are in good agreement with the experimental results; with the increase of steel bar diameter and the concrete cover thickness, the ultimate bonding strength of RAC and steel increases; the calculation formulas for the ultimate bond strength of specimens with different steel bar diameters (concrete cover thickness) after different salt–frost cycles are obtained.

Publisher

Walter de Gruyter GmbH

Subject

Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/rams-2021-0063/pdf

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