Page 97 - 《爆炸与冲击》2026年第9期

第 46 卷 吴 平，等： 接触爆炸荷载作用下钢筋混凝土板细观数值模拟及应力波的传播机理 第 9 期

10 μs
z-stress/MPa 10 μs 10 μs 40 μs Axial stress/MPa
4.0 40
1.6 32
20 μs
20 μs
−0.8 24
−3.2 30 μs 20 μs 50 μs 16
30 μs
−5.6 8
−8.0 40 μs 0
40 μs
−10.4 −8
−12.8 50 μs 30 μs 60 μs −16
50 μs
−15.2 −24
−17.6 60 μs −32
60 μs
−20.0 −40

(a) Ø6@200
10 μs 10 μs 40 μs
10 μs
z-stress/MPa Axial stress/MPa
4.0 40
1.6 32
20 μs
20 μs
−0.8 24
−3.2 30 μs 20 μs 50 μs 16
30 μs
−5.6 8
40 μs
−8.0 40 μs 0
−10.4 −8
50 μs
−12.8 50 μs 30 μs 60 μs −16
−15.2 −24
−17.6 60 μs −32
60 μs
−20.0 −40

(b) Ø6@150
10 μs
10 μs 10 μs 40 μs
z-stress/MPa Axial stress/MPa
4.0 40
1.6 20 μs 32
20 μs
−0.8 24
−3.2 30 μs 20 μs 50 μs 16
30 μs
−5.6 8
−8.0 40 μs 0
40 μs
−10.4 −8
−12.8 50 μs 30 μs 60 μs −16
50 μs
−15.2 −24
−17.6 60 μs −32
60 μs
−20.0 −40

(c) Ø6@100
10 μs
40 μs
10 μs
10 μs 10 μs 40 μs
-stress/MPa Axial stress/MPa
093201-19
20 μs
20 μs
−0.8
−3.2 30 μs 20 μs 50 μs
30 μs
20 μs
50 μs
−5.6 8
−8.0 40 μs
40 μs
−10.4 −8
−12.8 50 μs 30 μs 60 μs −16
50 μs
30 μs
60 μs
−15.2 −24
−17.6 60 μs −32
60 μs
−20.0 −40

10 μs
10 μs 10 μs 40 μs
40 μs
10 μs
-stress/MPa Axial stress/MPa
20 μs
20 μs
−0.8
50 μs
20 μs
−3.2 30 μs 20 μs 50 μs
30 μs
−5.6 8
−8.0 40 μs
40 μs
−10.4 −8
−12.8 50 μs 30 μs 60 μs −16
60 μs
30 μs
50 μs
−15.2 −24
−17.6 60 μs −32
60 μs
−20.0 −40