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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.12 No.4
- 발행연도
- 2018.5
- 수록면
- 567 - 579 (13page)
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초록· 키워드
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To investigate the axial load behavior of hybrid concrete columns consisting of an ultra-high performance fiber-reinforced concrete tube (20 mm thick, 92.6 MPa or 143.3 MPa) and normal-strength concrete core (28.2 MPa), concentric axial load tests were performed for five column specimens. The UHPFRC tube can function as a form during core-filling and as a cover having high performance at service and ultimate load conditions. Axial loading was applied to the core only, and the tube was indirectly loaded by bearing of transverse threaded bars. Test parameters included the volume fraction of steel fibers, volumetric ratio of transverse bars, and usage of wire-mesh in the tube. Test results showed that structural performance such as initial stiffness, peak load, displacement ductility, and energy absorption capacity varied greatly according to each test parameter. During the course of axial loading applied on the core only, the axial load behavior of the hybrid concrete columns generally corresponded to the full composite action at the initial loading stage and then changed to that of non-composite action (core only) after the failure of the threaded bars.
목차
Abstract
1. Introduction
2. Test Plan
3. Test Results
4. Discussion
5. Conclusions
References
참고문헌 (34)
참고문헌 신청
American Concrete Institute. (2014). Building Code Requirements for Structural Concrete and Commentary (ACI 318-14). Farmington Hills, MI: American Concrete Institute.
American Society for Testing and Materials (ASTM). (2009). Standard Test Methods for Tension Testing of Metallic Materials (ASTM E8-09). West Conshohocken, PA: American Society for Testing and Materials (ASTM).
AmeriAmerican Society for Testing and Materials (ASTM) (2011) Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens) (ASTM C109-11). West Conshohocken, PA. can Society for Testing and Materials (ASTM) (2011) Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens) (ASTM C109-11). West Conshohocken, PA.
Association Franc¸aise de Ge´nie Civil (AFGC) (2002) Ultra High Performance Fibre-Reinforced Concretes?Interim Recommendations, Paris, France
Collins, M. P., Mitchell, D., & MacGregor, J. G. (1993). Structural design considerations for high-strength concrete. Concrete International: Design and Construction, 15(5), 27?34.
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