The related numerical value simulation test was conducted with five factors of the bolt diameter,bolt length,bolts spacing,bolting length and bolt pretension and four level normal test methods.

• 选择锚杆直径、锚杆长度、锚杆间排距、锚固长度及锚杆预紧力等5个因素、4个水平的正交试验方法进行了相关的数值模拟试验。