| Issue |
E3S Web Conf.
Volume 237, 2021
3rd International Symposium on Architecture Research Frontiers and Ecological Environment (ARFEE 2020)
|
|
|---|---|---|
| Article Number | 03025 | |
| Number of page(s) | 4 | |
| Section | Architecture Science and Civil Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202123703025 | |
| Published online | 09 February 2021 | |
Seismic Damage Model of High-Strength Reinforced Concrete Frame Columns
College of Civil Engineering, Shanghai Normal University, Fengxian Shanghai 201418, China
* Corresponding author: zhgjxj@163.com
In this paper, several existing seismic damage models as well as their characteristics were discussed first of all. And then it was figured out that variational history of incremental dissipated hysteretic energy of tentative frame columns under different loading cycle levels; the influence of axial compression ratio, type of stirrups, stirrup ratio, reinforcement ratio, strength grade of concrete and shear span ration on the incremental dissipated hysteretic energy was discussed and analysed. The damage index of tentative frame columns was compared and analysed according to the existing seismic damage models, and the seismic damage models adapt to high-strength concrete columns and ordinary-strength concrete columns were offered. The influence of shear span ration, axial compression ratio and stirrup ratio on the damage was discussed and analysed according to the variational history of the damage index under different loading cycle levels. Lastly through analysing all sorts of seismic damage models comparatively, the seismic damage model of high strength concrete frame columns is put forward, which offers good basement for further damage analysis.
© The Authors, published by EDP Sciences, 2021
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