Flexible joint connecting device of precast body segment, precast body segment joining-type underwater tunnel construction method using same, and underwater tunnel constructed thereby

(10) US 2022/0098818 Al

(22) 28.11.2019

(43) 31.03.2022

(57) The present disclosure relates to: a flexible joint connecting device used for sequentially coupling precast concrete seg­ments so as to construct an underwater tunnel; an underwa­ter tunnel construction method using the flexible joint con­necting device so as to join, in a watertight manner, tunnel modules and integrally connect same, thereby constructing the underwater tunnel; and the underwater tunnel con­structed by the construction method.

(71) Daewoo Engineering & Construction Co., LTD, Seoul (KR)

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