Fire and post-fire performance of circular steel tube confined reinforced concrete columns

被引：4
|
作者：
Liu, F. [1 ,2 ]
Yang, H. [1 ,2 ]
Zhang, S. [1 ,2 ]
机构：
[1] Harbin Inst Technol, Key Lab Struct Dynam Behav & Control, Minist Educ, Harbin 150090, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Key Lab Smart Prevent & Mitigat Civil Engn Disast, Minist Ind & Informat Technol, Harbin 150090, Heilongjiang, Peoples R China
来源：
PROCEEDINGS OF THE 12TH INTERNATIONAL CONFERENCE ON ADVANCES IN STEEL-CONCRETE COMPOSITE STRUCTURES (ASCCS 2018) | 2018年
基金：
中国博士后科学基金;
关键词：
circular steel tube confined reinforced concrete; experiments; simulation; temperature; fire; fire resistance; post-fire; residual load-bearing capacity; SEISMIC RESISTANCE; BEHAVIOR; STRENGTH;
D O I：
10.4995/ASCCS2018.2018.7002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Fire and post-fire behaviours of reinforced concrete columns confined by circular steel tubes, also known as circular steel tube confined reinforced concrete ( STCRC) columns, are investigated in this paper. 5 full-scale specimens exposed to fire and 47 specimens after fire exposure were tested. Temperatures across the sections, displacement versus time curves, fire resistance, load versus displacement responses and load-bearing capacities were measured and discussed. A finite element ( FE) model was developed using the program ABAQUS, and validated against the test results from the present study. Simplified design methods were proposed for predicting the fire resistance and residual load-bearing capacity of the STCRC columns under and after fire exposure, respectively.
引用
收藏
页码：787 / 793
页数：7
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