Page 93 - 《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

0 10 μs z-stress/MPa
Compressive stress amplitudes/MPa −100 30 μs −10.4
−50
4.0
20 μs
1.6
−0.8
−3.2
−5.6
−150
−8.0
40 μs
−200
−12.8
50 μs
−15.2
−250
−300
−20.0
0 20 40 60 80 100 60 μs −17.6
Distance/mm
(a) MA-1
0 10 μs z-stress/MPa
Compressive stress amplitudes/MPa −120 30 μs −10.4
4.0
−60
20 μs
1.6
−0.8
−3.2
−5.6
40 μs
−8.0
−180
−12.8
50 μs
−240
−17.6
−20.0
−300 60 μs −15.2
0 20 40 60 80 100
Distance/mm
(b) MA-2
0 10 μs z-stress/MPa
Compressive stress amplitudes/MPa −140 30 μs −10.4
4.0
−70
20 μs
1.6
−0.8
−3.2
−5.6
40 μs
−8.0
−210
−12.8
50 μs
−280
−17.6
−20.0
−350 60 μs −15.2
0 20 40 60 80 100
Distance/mm
(c) MB-1
0 10 μs z-stress/MPa
Compressive stress amplitudes/MPa −120 30 μs −10.4
4.0
−60
20 μs
1.6
−0.8
−3.2
−5.6
−8.0
40 μs
−180
−12.8
50 μs
−240
−17.6
−20.0
−300 60 μs −15.2
0 20 40 60 80 100
Distance/mm
(d) MB-2
10 μs
−100 093201-15 20 μs
−0.8
−200 30 μs −3.2
−5.6
40 μs −8.0
−300 −10.4
50 μs −12.8
−400 −15.2
60 μs −17.6
−20.0
−500