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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.78 No.5
- 발행연도
- 2021.1
- 수록면
- 637 - 649 (13page)
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Great efforts have been conducted to investigate the seismic performances of the arch and rectangular underground structures, however, the differences between seismic responses of these two types of underground structures, especially the vault radian influencing the seismic responses of arch structures are not clarified. This paper presents a detailed numerical investigation on the seismic responses of arch underground structures with different vault radians, and aims to illustrate the rule that vault radian affects the seismic responses of underground structures. Five arch underground structures are built for nonlinear soil-structure interaction analysis. The internal forces of the structural components of the underground structures only under gravity are discussed detailedly, and an optimum vault radian for perfect load-carrying functionality of arch underground structures is suggested. Then the structures are analyzed under seven scaled ground motions, amounting to a total of 35 dynamic calculations. The numerical results show that the vault radian can have beneficial effects on the seismic response of the arch structure, compared to the rectangular underground structures, causing the central columns to suffer smaller axial force and horizontal deformation. The conclusions provide some directive suggestions for the seismic design of the arch underground structures.
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참고문헌 (42)
참고문헌 신청
Amorosi, A. / 2009 / Numerical modelling of the transverse dynamic behavior of circular tunnels in clayey soils / Soil Dyn. Earthq. Eng 29:1059~1072
An, X. H. / 1997 / The collapse mechanism of a subway station during the Great Hanshin Earthquake / Cement Concrete Compos 19:241~257
Ansal, A. / 2001 / The cyclic behavior of soils and effects of geotechnical factors in microzonation / Soil Dyn. Earthq. Eng 21(5):445~452
Bao, Z. / 2017 / Multi-scale physical model of shield tunnels applied in shaking table test / Soil Dyn. Earthq. Eng 100:465~479
Chen, G. X. / 2015 / Shaking table tests on a three-arch type subway station structure in a liquefiable soil / B. Earthq. Eng 13(6):1675~1701
An, X. H. / 1997 / The collapse mechanism of a subway station during the Great Hanshin Earthquake / Cement Concrete Compos 19:241~257
Ansal, A. / 2001 / The cyclic behavior of soils and effects of geotechnical factors in microzonation / Soil Dyn. Earthq. Eng 21(5):445~452
Bao, Z. / 2017 / Multi-scale physical model of shield tunnels applied in shaking table test / Soil Dyn. Earthq. Eng 100:465~479
Chen, G. X. / 2015 / Shaking table tests on a three-arch type subway station structure in a liquefiable soil / B. Earthq. Eng 13(6):1675~1701
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