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Effect of Loading and Beam Sizes on the Structural Behaviors of Reinforced Concrete Beams Under and After Fire

Title
Effect of Loading and Beam Sizes on the Structural Behaviors of Reinforced Concrete Beams Under and After Fire
Authors
Ryu, EunmiShin, YeongsooKim, Heesun
Ewha Authors
신영수김희선
SCOPUS Author ID
신영수scopus; 김희선scopus
Issue Date
2018
Journal Title
INTERNATIONAL JOURNAL OF CONCRETE STRUCTURES AND MATERIALS
ISSN
1976-0485JCR Link

2234-1315JCR Link
Citation
INTERNATIONAL JOURNAL OF CONCRETE STRUCTURES AND MATERIALS vol. 12, no. 1
Keywords
fireRC beamload levelcross sectional sizeexperimental studyanalytical model
Publisher
SPRINGEROPEN
Indexed
SCIE; SCOPUS; KCI WOS
Document Type
Article
Abstract
Performance-based fire resistance design needs consideration of various influencing parameters of structures such as load levels and cross-sectional size. Therefore, the studies of fire damaged reinforced concrete (RC) structures are performed experimentally and analytically. Twelve RC beams with different load levels and cross sections are exposed to high temperatures following the ISO 834 standard time temperature. After the fire test, the fire-damaged beams are loaded using four-point loading to obtain its residual strength. In addition, ABAQUS 6.10-3 is used to preform structural analyses of the ductility of the fire-damaged beams. The results indicate that the temperature, stiffness and ductility of the fire-damaged beams are significantly influenced by the load level, cross-sectional size and time exposed to fire. Also, the ductility of the fire-damaged beam can be predicted using an analytical method, which is not easy to otherwise determine experimentally.
DOI
10.1186/s40069-018-0280-5
Appears in Collections:
엘텍공과대학 > 건축공학전공 > Journal papers
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