- ISSN 0258-2724
- CN 51-1277/U
- EI Compendex
- Scopus
- Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
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| Citation: | SHEN Caihua, YU Hansen, JIANG Xinyu, TANG Kai, LI Jingwen. Dynamic Coordination Coefficient Method for Critical Buckling Load of Stiffened U-Shaped Steel Sheet Pile[J]. Journal of Southwest Jiaotong University, 2023, 58(3): 555-562. doi: 10.3969/j.issn.0258-2724.20220508
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Since U-shaped steel sheet piles (USSSPs) are prone to buckle, a dynamic coordination coefficient method for theoretically calculating the local stiffening effect of USSSPs is proposed, and a formula for calculating the critical buckling load of locally stiffened USSSPs is established. The influence of different stiffening areas, stiffening positions, and number of stiffened plates on the stiffening effect (i.e., critical buckling load) is analyzed. The study shows that when the total stiffening area (i.e., cumulative width of stiffened plates) is constant, for the USSSP with determined length, there is a stiffened plate arrangement scheme to maximize the critical load value of the component, and the local buckling law caused by too small width of a single stiffened plate when the number of plates is too large is revealed. As an example, the critical load value of the component of the USSSP with a length of 10 m can be increased by 13.55% with the change of the position of the single stiffened plate, and the optimal theoretical scheme of stiffened plate arrangement corresponding to different total stiffening areas of the USSSP with a length of 20 m is obtained. This paper provides a theoretical basis and reference for the design of the local stiffening scheme of USSSPs in practical engineering.
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Figures(14) / Tables(2)
SHEN Caihua, YU Hansen, JIANG Xinyu, TANG Kai, LI Jingwen. Dynamic Coordination Coefficient Method for Critical Buckling Load of Stiffened U-Shaped Steel Sheet Pile[J]. Journal of Southwest Jiaotong University, 2023, 58(3): 555-562. doi: 10.3969/j.issn.0258-2724.20220508
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