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Cluster Computing

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10-10-2017

Finite element model based test and analysis on ACHC short columns and hoop coefficient

Authors: Jing Ji, Wenfu Zhang, Chaoqing Yuan, Yingchun Liu, Zhichao Xu, Yang Wang, Xiaokun Chen

Published in: Cluster Computing | Special Issue 3/2019

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Abstract

In order to promote the application of angle-steel confined high-strength concrete (ACHC) columns in new construction and reinforcement projects of civil engineering, this paper designs 15 groups of ACHC short columns with a shear span ratio of 1.5 under axial compression by taking the hoop coefficient, strength grade of concrete and yield strength of steel as parameters. Based on the constitutive model of steel and confined concrete and considering hoop effect, the simulation analysis on them was carried out by ANSYS software, and the rationality of finite element modelling is verified by comparing it with the experimental data. The author investigated the influence of different hoop coefficients, different concrete strength grades and different yield strength of steel to the mechanic behaviour of ACHC short columns, and the results show that the influence of hoop coefficient to the bearing capacity and ductility is more significantly than other parameters. Considering the hoop effect of batten plate to concrete, the linear relationship between the influence factor of batten plates and the hoop coefficient is inverted by using 1stopt software. At last, the calculation formula of ultimate bearing capacity of ACHC short columns is gotten, and the design method and suggestion of short columns are put forward.

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Title: Finite element model based test and analysis on ACHC short columns and hoop coefficient
Authors: Jing Ji
Wenfu Zhang
Chaoqing Yuan
Yingchun Liu
Zhichao Xu
Yang Wang
Xiaokun Chen
Publication date: 10-10-2017
Publisher: Springer US
Published in: Cluster Computing / Issue Special Issue 3/2019
Print ISSN: 1386-7857
Electronic ISSN: 1573-7543
DOI: https://doi.org/10.1007/s10586-017-1230-8

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