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Table 3 Parameters of concrete bracings

From: The deformation of retaining piles and ground surface under various support systems during deep excavation

Layer Relative elevation (m) Section size of bracing (mm × mm)
Corner bracing Connecting rod
1 −1.75 1000 × 900 800 × 900
2 −6.45 900 × 900
3 −11.65
4 −15.50