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논문 기본 정보

자료유형
학술저널
저자정보
Haiyan Ma (Nanjing University of Aeronautics and Astronautics) Xiangchao ZENG (Nanjing University of Aeronautics and Astronautics) Hongfa Yu (Nanjing University of Aeronautics and Astronautics) Peng Yue (Nanjing University of Aeronautics and Astronautics) Haiwei Zhu (Nanjing University of Aeronautics and Astronautics) Chengyou Wu (Nanjing University of Aeronautics and Astronautics)
저널정보
국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.76 No.4
발행연도
2020.1
수록면
541 - 550 (10page)

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As a new type of concrete material, basic magnesium sulfate cement concrete (BMSC) has the advantages, such as early strength, high strength, good toughness and crack resistance. However, it is unclear about the degradation of the mechanical properties of BMSC columns, which is exposed to the natural environment for several years. In order to apply this new concrete to practical engineering, six large-eccentricity compressive columns of BMSC were studied. The mechanical properties such as the crack propagation, failure morphology, lateral displacement and bearing capacity of BMSC column were studied. The results show that the degradation rate of ultimate load of BMSC column is from 6% to 7%. The degradation rate of the stiffness of the column is from 6% to 13%. With the increase of compressive strength of BMSC, the axial displacement and lateral displacement are gradually reduced. The calculation model of bearing capacity of the BMSC column under the large eccentric compression is proposed. This paper provides a reference for the application of BMSC columns in the civil engineering.

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