Segmental joint model tests of immersed tunnel on a settlement platform: A case study of the Hongkong-Zhuhai-Macao Bridge

•Large-scale segment model tests (1:4.69) were conducted on a settlement platform.•The Hongkong-Zhuhai-Macao Bridge tunnel in China was taken as the background.•Shear force distribution and transfer mechanisms on segmental joints were studied.•The allowable differential settlements of segments were...

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