RESEARCH ARTICLE


The Bearing Capacity Calculation Method of Cracked Reinforced Concrete Column at High Temperature



Yuzhuo Wang*, Jian Song, Cancan Wang, Chuanguo Fu
College of Civil Engineering, Shandong Jianzhu University, Jinan, Shandong, China


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Creative Commons License
© Wang et al.; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at College of Civil Engineering, Shandong Jianzhu University, Jinan, Fengming road, Lingang development zone, Jinan city, Shandong, 250101, China; Tel: +8613793143899; E-mail: yuzhuowang@163.com


Abstract

Introduction:

This paper presents results from a set of numerical studies on the cracked reinforced concrete column at high temperature.

Methods:

The macroscopic finite element model used in the accounts analysis for high temperature properties of constitutive materials. The validity of the model is established by comparing the predictions from numerical analysis with the data measured in the fire test.

Result and Conclusion:

Data from the test indicated that the temperature of rebar in column with cracks is 57% ~ 130% higher than that without cracks under the same condition, and different types of crack had significant influence on the bearing capacity of column. These results from parametric studies were utilized to propose ultimate bearing capacity of cracked reinforced concrete column.

Keywords: Reinforced concrete column, High temperature, Cracks, The temperature field, Bearing capacity, Cracked reinforced.