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Suitability Assessment and Maintenance Planning of the Guided Drainage Method on Underpass Structure
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 Title & Authors
Suitability Assessment and Maintenance Planning of the Guided Drainage Method on Underpass Structure
Jin, Kyu-Nam; Lee, Jung-Min; Kim, Young-Jin; Park, Jae-Hyeon; Cho, Gye-Chun;
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 Abstract
For the design of underpass structures, -1.0m(G.L) ground water level guideline for the design of railway, subway, utility tunnel etc, is still being used in Korea. As a result, the underpass structure can be forced by buoyancy, and therefore the in-situ buoyancy anchor method is usually being applied to prevent the uplifting force. For the Yeongjongdo sky city project, the drainage method was applied to remove the buoyancy force. In this study we estimate the efficiency and safety of the applied design and propose the detailed guidelines for standard design and maintenance of the guided drainage technique. Especially, the auxiliary pumping well was operated to maintain the ground water level around the underpass. In the study site, the applied guided drainage method has advantages in both engineering and economic aspects.
 Keywords
Underpass;Guided drainage method;Construction site adaptiveness;
 Language
Korean
 Cited by
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