Influence of Geometrical Parameters on Performance of Grouted Mortise and Tenon Joints for Application in Prefabricated Underground Structures

Table 1

Numerical simulation cases.

Axial load (kN)	Joint parameters	Variable parameters	Fixed parameters
500 ,; 1000 ,; 1600 ,; 2000; 2500 ,; 3000 ,; 4000	Dip angle	α = 70°, 76°, 80°, 90°	l = 195 mm,  = 300 mm, and i = 0 mm
	Width	= 200 mm, 250 mm, 300 mm, 350 mm, 400 mm, and 450 mm	α = 76°, l = 195 mm, and i = 0 mm
	Length	l = 95 mm, 145 mm, 195 mm, 245 mm, 295 mm, and 345 mm	α = 90°,  = 300 mm, and I = 0 mm
	Indentation (ratio)	i = 0 mm, 150 mm (30%), 200 mm (40%), and 250 mm (50%)	α = 76°, l = 195 mm, and  = 300 mm