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http://dx.doi.org/10.17820/eri.2020.7.4.308

Structural Analysis of Multi-Functional Fishway in Seomoon Weir  

Lee, Young Jae (Department of Civil Engineering, Kyungpook National University)
Lee, Jung Shin (Intelligent Construction Automation Center, Kyungpook National University)
Jang, Hyung Kyu (Research Institute for Disaster Prevention, Kyungpook National University)
Publication Information
Ecology and Resilient Infrastructure / v.7, no.4, 2020 , pp. 308-319 More about this Journal
Abstract
In this study, the field applicability of the recently constructed multifunctional fishway in Seomunbo, Yeongcheon-si, and Gyeongsangbuk-do were examined. The analysis variables were R/C slab (S1) and R/C+S/C slab (S2), the underground passage standard areas (width × length) were 1.4 m × 0.2 m, 1.4 m × 0.3 m, and 1.4 m × 0.6 m, and the flow velocities were 0.8, 1.2, and 1.6 m/s. As a result of the analysis, the safety of the design of Seomunbo was evaluated. The analysis showed compared to the Seomoon Weir fishway, the maximum stress of S2 decreased by 24 - 32%, the bending moment of the underground passage decreased by 16 - 33%, the maximum stress of the sidewall decreased by 20 - 36%. In addition, the bending moment of the upper slab decreased by 17 - 33%, the maximum stress of the upper slab decreased by 9 - 28%, and the bending moment decreased by 19 - 33%. Complementation was required in the following percentages: 18% and 14% for the maximum stress and bending moment of the underground passage, respectively, 15% and 17% for the maximum sidewall stress and bending moment, respectively, and 11% and 16% for the upper slab maximum stress and bending moment, respectively. The results showed that S2 was superior to that of the Seomoon Weir fishway, and the underground passage size of 1.4 m × 0.3 m was superior to those of 1.4 m × 0.2 m and 1.4 m × 0.6 m, and R/C+S/C slab was superior to that of R/C slab. The findings are expected to be useful for constructing and designing the multifunctional fishway.
Keywords
Multipurpose fishway; SAP2000; Seomoon weir; Structure analysis; Underground passage;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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