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Experimental study on the cyclic behavior of steel fiber reinforced high strength concrete columns and evaluation of shear strength

Title
Experimental study on the cyclic behavior of steel fiber reinforced high strength concrete columns and evaluation of shear strength
Author
최창식
Keywords
STRESS-STRAIN BEHAVIOR; COMPRESSION; BEAMS
Issue Date
2018-02
Publisher
ELSEVIER SCI LTD
Citation
ENGINEERING STRUCTURES, v. 157, page. 250-267
Abstract
In this paper, the effectiveness of steel fiber inclusion on the structural performance of steel fiber reinforced high strength concrete columns was investigated with test of 7-high strength concrete specimens with and without steel fiber. All test specimens were subjected to axial load and reversed cyclic lateral loads. It was shown that test steel fiber inclusion significantly increase the structural performance. Steel fiber inclusion was remarkably effective than the transverse reinforcement about structural performance such as strength and energy dissipation capacity. Steel fiber reinforcement was more effective with high volumetric ratio of transverse reinforcement. Compressive strength of matrix affect to the strength and ductility. High strength matrix column specimens showed better performance than normal strength matrix column specimens. In order to verify the safety of existing strength estimation equations, test results were compared with estimated values. Most of the estimation equations were over estimated the shear strength of concrete. Therefore, in this study, for the safe design of steel fiber reinforced high strength concrete columns, newly developed estimation equation was suggested.
URI
https://www.sciencedirect.com/science/article/pii/S0141029617330183?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/117467
ISSN
0141-0296; 1873-7323
DOI
10.1016/j.engstruct.2017.11.072
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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