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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.26 No.6
- 발행연도
- 2020.1
- 수록면
- 547 - 563 (17page)
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초록· 키워드
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In this paper, the influence of axial compression ratio on the mechanical properties of new type joints of side span of rectangular concrete-filled steel tubular column-H-type steel beam is studied. Two new types of side-span joints of rectangular concrete-filled steel tubular column-H-type steel beam are designed and quasi-static tests of five new type joints with 1:2 scale reduction ratios are performed. The axial compression ratio of joint JD1 is 0.3, 0.4 and 0.5, and the axial compression ratio of joint JD2 is 0.3 and 0.5. In the joint test, different axial forces were applied to the top of the column according to different axial compression ratios, and low-cyclic reciprocating load was applied on the beam. The stress and strain distribution, beam and column deformation, limit state, failure process, failure mechanism, stiffness degradation, ductile deformation and energy dissipation capacity of the joint were measured and analyzed. The results show that: with the increase of axial compression ratio, the ultimate bearing capacity of the joint decreases slightly, the plastic deformation decreases, and the stiffness and ductility decrease. According to the energy dissipation curve of the specimen, the equivalent damping coefficient also increases with the increase of axial compression ratio in a certain range, indicating that the increase of axial compression ratio can improve the seismic performance of the joint to a certain extent. The finite element method is used to simulate the joint test, and the test results are in good agreement with the simulation results.
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참고문헌 (21)
참고문헌 신청
Adel A. Al-Azzawi / 2017 / Investigation of the behavior of reinforced concrete hollow-core thick slabs / Computers and Concrete, An International Journal 19(5):567~577
Yousef.M. Alostaz / 1996 / Analytical behavior of connections to concrete-filled steel tubes / Journal of Constructional Steel Research 40(2):95~127
차상률 / 2016 / Prediction of thermal stress in concrete structures with various restraints using thermal stress device / Computers and Concrete, An International Journal 17(2):173~188
Chen, H. / 2004 / Experimental study on seismic performance of beam-column joints of square tubular concrete composite structures
Hoang V. Dang / 2017 / Single and multi-material topology optimization of CFRP composites to retrofit beam-column connection / Computers and Concrete, An International Journal 19(4):405~411
Yousef.M. Alostaz / 1996 / Analytical behavior of connections to concrete-filled steel tubes / Journal of Constructional Steel Research 40(2):95~127
차상률 / 2016 / Prediction of thermal stress in concrete structures with various restraints using thermal stress device / Computers and Concrete, An International Journal 17(2):173~188
Chen, H. / 2004 / Experimental study on seismic performance of beam-column joints of square tubular concrete composite structures
Hoang V. Dang / 2017 / Single and multi-material topology optimization of CFRP composites to retrofit beam-column connection / Computers and Concrete, An International Journal 19(4):405~411
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