Page 116 - 《爆炸与冲击》2025年第6期
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第 45 卷 刘康琦，等： 循环冲击荷载作用下单节理岩体的动态力学行为 第 6 期
300 200 0.5
In
Re F i 0.4
200 Tr 160 F t 0.3
f
In+Re
0.2
0.1
120
100
Stress/MPa 0 Force/kN 80 0 −0.1 Force balance factor
−0.2
−100 40 −0.3
−0.4
−200 −0.5
0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350
Time/μs Time/μs
(a) Three-wave method (b) Force balance factor method
图 4 试件 SJG-0-3 第 2 次冲击应力平衡验证
Fig. 4 Stress equilibrium verification of specimen SJG-0-3 under the second impact
300 200 0.5
In F i
Re 0.4
200 Tr 160 F t 0.3
f
In+Re
0.2
100
0.1
120
Stress/MPa 0 Force/kN 80 0 −0.1 Force balance factor
−0.2
−100 40 −0.3
−0.4
−200 −0.5
0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350
Time/μs Time/μs
(a) Three-wave method (b) Force balance factor method
图 5 试件 SJG-45-1 第 3 次冲击应力平衡验证
Fig. 5 Stress equilibrium verification of specimen SJG-45-1 under the third impact
300 200 0.5
In F i
Re 0.4
200 Tr 160 F t 0.3
f
In+Re
0.2
100
120
0.1
Stress/MPa 0 Force/kN 80 0 −0.1 Force balance factor
−0.2
−100 40 −0.3
−0.4
−200 −0.5
0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350
Time/μs Time/μs
(a) Three-wave method (b) Force balance factor method
图 6 试件 SJG-60-3 第 7 次冲击应力平衡验证
Fig. 6 Stress equilibrium verification of specimen SJG-60-3 under the seventh impact
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