Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

地下構造物 (2)

Thu. Sep 5, 2019 8:40 AM - 10:10 AM VI-1 (幸町北8号館 811講義室)

座長:服部 佳文(大成建設)

[VI-622] Development of Super-ring-method -Design Method and Reproduction Analysis of Full-scale Construction Experiment(Part3)-

*望戸 健雄1、小坂 琢郎1、牛垣 勝1、増田 昌弘1 (1. 鹿島建設株式会社)

Keywords:Super-ring-method, Design of Super-ring-method, Full-scale of Construction Experiment, Reproduction of Analysis

The Super-Ring Method is a tunnel construction method suitable for narrow cities where the process is required to be shortened and the labor is required to be reduced. This method is to construct a tunnel by assembling segments having joints which are precast members in a ring shape, and the ring joints are mortar-filled steel pipe joints developed for this method. In addition, a pre-stress tension is introduced in the ring to stabilize the structure.
This report reports on the design method of this method and the result of reproduction analysis of full-scale construction experiment. As a result, the amount of vertical deformation of the ring could be roughly reproduced.

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