Numerical Simulation Analysis of the Jacking Force and Its Influencing Factors during the Vertical Tunneling Process

Table 2

The properties of components of the first shaft section.

Type	Material	Size (mm) (inches)	Number	Total weight (kg)	Thickness (mm) (inches)
Rectangular stiffened panel	Steel	70 × 20 × 20 (2.756 × 0.787 × 0.787)	12	9.24	20 (0.787)
Trapezoidal stiffened panel		170 × 100 × 70 (6.693 × 3.937 × 2.756)	12	17.76	20 (0.787)
Flange plate		Outside 500, inside 300 (outside 19.685, inside 11.811)	1	18.20	20 (0.787)
Round pipe ①		Inside 320 (inside 12.598)	1	11.74	20 (0.787)
Round pipe ②		Outside 500 (outside 19.685)	1	92.33	20 (0.787)