Mechanical Property of Biomodified Geogrid and Reinforced Calcareous Sand

Table 2

Test schemes and initial parameters.

Number	Particle size range (mm)	Geogrid layers	Relative density (%)	Moisture content (%)	Confining pressure (kPa)	Times of biotreatment	Shearing rate (mm·min^-1)
T1	0-2	0	50	0	100/200/300/400	0	0.2
T2	0-2	1	50	0	100/200/300/400	0/1/2/3	0.2
T3	0-2	3	50	0	100/200/300/400	0/1/2/3	0.2
T4	0-2	5	50	0	100/200/300/400	0/1/2/3	0.2