지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.10
- 수록면
- 282 - 293 (12page)
이용수
초록· 키워드
오류제보하기
This study examined the collision dynamics between tsunami-driven drifting containers and port cranes, prompted by risks from the recent 7.6 magnitude earthquake and tsunami off Noto Peninsula, Japan. Hydraulic experiments were conducted to analyze container drift and collision forces using motion analysis software (DIPP-Motion) and a load cell installed on a crane leg model. The key parameters included the tsunami wave height, container weight (empty and loaded), initial position, and revetment type. The results suggested that higher tsunami wave heights led to more extraordinary inundation, allowing containers to float more efficiently, reducing bottom friction, and increasing drift speed and collision forces. The collision speeds ranged from 1.59 to 2.48 m/s, with collision forces of 45.18 to 77.68 N, representing increases of 6.45 to 15.58 times than no object. Heavier containers required deeper water to float, resulting in lower drift and collision speeds (0.88–0.89 times that of lighter containers). The wave-absorbing revetment caused higher flow velocities, producing collision speeds and forces 1.32–1.48 times greater than the vertical revetment. These findings highlight the importance of considering the tsunami magnitude, container weight, initial position, and revetment type in design, with face-to-face contact conditions crucial for estimating the maximum collision forces and preventing future tsunami damage.
목차
ABSTRACT
1. Introduction
2. Hydraulic Experiments
3. Experimental Results
4. Conclusion
References
참고문헌 (39)
참고문헌 신청
ASCE. (2022). Minimum design loads and associated criteria for buildings and other structures. American Society of Civil Engineers.
Charvet, I., Suppasri, A., Kimura, H., Sugawara, D., & Imamura, F. (2015). A multivariate generalized linear tsunami fragility model for Kesennuma city based on maximum flow depths, velocities and debris impact, with evaluation of predictive accuracy. Natural Hazards, 79, 2073–2099.
Como, A., & Mahmoud, H. (2013). Numerical evaluation of tsunami debris impact loading on wooden structural walls. Engineering Structures, 56, 1249–261.
de Costa, R., Iwata, A., & Tanaka, N. (2019). Tsunami generated large wooden debris movement considering hybrid structures. Journal of Japan Society of Civil Engineers, Ser. B1, 75(2), I_727–I_732. https://doi.org/10.2208/jscejhe.75.2_I_727
Dean, R. G., & Dalrymple, R. A. (1991). Water wave mechanics for engineers and scientists (Vol. 2). World Scientific Publishing Company.
Charvet, I., Suppasri, A., Kimura, H., Sugawara, D., & Imamura, F. (2015). A multivariate generalized linear tsunami fragility model for Kesennuma city based on maximum flow depths, velocities and debris impact, with evaluation of predictive accuracy. Natural Hazards, 79, 2073–2099.
Como, A., & Mahmoud, H. (2013). Numerical evaluation of tsunami debris impact loading on wooden structural walls. Engineering Structures, 56, 1249–261.
de Costa, R., Iwata, A., & Tanaka, N. (2019). Tsunami generated large wooden debris movement considering hybrid structures. Journal of Japan Society of Civil Engineers, Ser. B1, 75(2), I_727–I_732. https://doi.org/10.2208/jscejhe.75.2_I_727
Dean, R. G., & Dalrymple, R. A. (1991). Water wave mechanics for engineers and scientists (Vol. 2). World Scientific Publishing Company.
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