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http://dx.doi.org/10.12814/jkgss.2022.21.3.041

A Study on the Seismic Response Formula for Improvement of Seismic Design Code of Water Treatment Underground Structures  

Lee, Joung-Bae (Dept. of Transportation System Engineering, Korea National University of Transportation (KECC, Korea Engineering Consultants Corp.))
Bae, Sang-Soo (Dept. of Transportation System Engineering, Korea National University of Transportation (KECC, Korea Engineering Consultants Corp.))
Chung, Kwang-Mo (Dept. of Water Supply & Sewerage Engineering, Korea Engineering Consultant Corporation)
Bang, Myung-Seok (Dept. of Transportation System Engineering, Korea National University of Transportation)
Publication Information
Journal of the Korean Geosynthetics Society / v.21, no.3, 2022 , pp. 41-48 More about this Journal
Abstract
Generally it was known that member forces in the earthquake resistant design is lower than those in the general design. But it is not true in cases of water treatment underground structures, which is different in each case like water treatment plant, sedimentation basin, and utility-pipe conduit. Also, looking at the scale of earthquakes that have recently occurred in Korea, large-scale earthquakes are frequent, so when the magnitude of the design seismic force increases, it is necessary to investigate the seismic behavior of the water treatment underground structure and to deal with it. In this study the change rate of member forces was investigated by the change of design load factor (earthquake acceleration design criteria), earth depth, underground water level. The pseudo-static analysis and response displacement method was applied, and various analyzes were conducted depending on the ground water and soil depth. The proposed formula in this study will be efficient when the earthquake design code of water treatment underground structures is revised.
Keywords
Underground water structures; Acceleration coefficients; Load factor; Seismic analysis methods; Seismic code revision; Pseudo-static analysis; Response displacement method;
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  • Reference
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3 Chung, K. -M. (2013), "Analytical Study for the Establishment of Standard Requirement in Seismic Design of Water Treatment Underground Structures".
4 Ministry of Environment (2009), Study for Seismic Standards for Sewerage Facilities.