REINFORCEMENT STRUCTURE AND REINFORCEMENT METHOD

Japanese Patent JP2022121244

A

To provide a reinforcement structure and a reinforcement method capable of more reliably suppressing deformation of a tunnel.SOLUTION: A reinforcing structure according to one embodiment is a reinforcing structure for a tunnel lining body having main girders 11 arranged at predetermined intervals in an axial direction of a tunnel and extending in a circumferential direction of the tunnel, and comprises: a support member 20 which is connected to the main girder 11; and a reinforcing member 30 which is connected to the support member 20. The support member 20 has: a connecting portion 21c which is welded to the main girder 11; a connecting portion 22 which extends from the connecting portion 21c in a direction crossing the connecting portion 21c; and a joint portion 23 to which the connecting portion 21c and the connecting portion 22 are fixed and which is connected to the reinforcing member 30. The reinforcing member 30 supports the main girder 11 of the tunnel lining body.SELECTED DRAWING: Figure 3

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MORITA DAISUKE
WATANABE KENJI

JP2021018500A

August 19, 2022

February 08, 2021

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KAJIMA CORP

E21D9/04; E21D9/06; E21D13/02

Yoshiki Hasegawa
Yoshiki Kuroki
Hiroshi Kondo
Yumoto Joji

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