钢化玻璃的动态力学性能及抗爆性能研究

刘浩; 贾彬; 孔德锋; 张磊

doi:10.21656/1000-0887.450283

钢化玻璃的动态力学性能及抗爆性能研究

doi: 10.21656/1000-0887.450283

刘浩^{1, 2, 3,},
贾彬⁴,
孔德锋^{1, 2},
张磊^{1, 2, ,}

1.
目标易损性评估全国重点实验室，河南洛阳 471023
2.
军事科学院国防工程研究院工程防护研究所，河南洛阳 471023
3.
哈尔滨工程大学航天与建筑工程学院，哈尔滨 150001
4.
西南科技大学土木工程与建筑学院，四川绵阳 621010

基金项目:

国家自然科学基金 12172381

中原领军人才项目 234200510016

详细信息

作者简介:
刘浩(1997—)，男，博士生(E-mail: 15680725382@163.com)

通讯作者:
张磊(1974—)，男，研究员，博士(通讯作者. E-mail: ustczhanglei@163.com)

中图分类号: O347.3;TB302.3
计量
- 文章访问数: 52
- HTML全文浏览量: 13
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2024-10-23
- 修回日期: 2025-03-02
- 刊出日期: 2025-05-01

Study on Dynamic Mechanical Properties and Anti-Explosion Performances of Tempered Glass

LIU Hao^{1, 2, 3
,},
JIA Bin⁴,
KONG Defeng^{1, 2},
ZHANG Lei^{1, 2
, ,}

1.
State Key Laboratory of Target Vulnerability Assessment, Luoyang, Henan 471023, P.R.China
2.
Engineering Protection Research Department, Defense Engineering Institute, AMS, PLA, Luoyang, Henan 471023, P.R.China
3.
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, P.R.China
4.
School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P.R.China

摘要

摘要: 钢化玻璃作为一种重要的建筑材料，对其在意外爆炸、地震、碰撞和台风等偶发强动载作用下的破坏规律及防护性能研究具有重要的学术价值和工程应用背景. 利用材料试验机(MTS)和分离式Hopkinson压杆(SHPB)开展了钢化玻璃准静态和高应变率力学性能试验，标定了其JH-2本构模型参数并验证了模型的准确性. 利用LS-DYNA软件完成了不同超压峰值、不同冲量空气冲击波对板状钢化玻璃破坏过程的仿真研究，研究表明，该钢化玻璃板件破坏比例距离大约为Z=4 m · kg^-1/3，在保持比例距离不变时，爆心距减小板件偏于安全，随着爆心距增大破坏程度有明显增加，表明钢化玻璃板件破坏不仅受超压峰值影响，同时也受冲量影响.
- 钢化玻璃 /
- 抗爆性能 /
- JH-2本构模型 /
- 数值模拟
Abstract: As an essential construction material, the tempered glass has important research value and engineering application background for study on the failure law and protective performance under accidental strong dynamic loads such as explosion, earthquake, collision and typhoon. Experimental investigations on the quasi-static and high strain rate mechanical properties of tempered glass were conducted with the MTS (materials testing system) and the split Hopkinson bar (SHPB), respectively. The parameters of the JH-2 constitutive model were calibrated and the model's accuracy was verified. The simulation was conducted to investigate the failure processes of tempered glass panes under different overpressure peaks and different impulse shock waves with the LS-DYNA software. The failure scaled radius of the tempered glass pane is about Z=4 m · kg^-1/3. As the stand-off distance decreases, the pane tends to be safe; however, as this distance increases, the damage degree significantly rises. This indicates that, the failure of tempered glass panes depends not only on the peak overpressure but also on the impulse.
- tempered glass /
- anti-explosion performance /
- JH-2 constitutive model /
- numerical simulation

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图 1 试件C1、C2的应力-应变曲线

Figure 1. The stress-strain curves of specimens C1 and C2

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图 2 劈裂试验压模

Figure 2. The stamper of splitting test

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图 3 SHPB设备

Figure 3. The SHPB equipment

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图 4 纺锤形子弹示意图

Figure 4. The diagram of the spindle-shaped bullet

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图 5 不同冲击速度下的波形对比

Figure 5. Comparison of waves at different impact velocities

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图 6 3 m爆距不同TNT质量下的钢化玻璃破坏形态

Figure 6. The simulation results with different TNT weights at 3 m stand-off

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图 7 不同药量玻璃板中心位移

Figure 7. The center displacements of the glass plate with different charge weights

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图 8 不同药量玻璃板中心加速度

Figure 8. The center accelerations of the glass plate with different charge weights

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图 9 Z=4 m · kg^-1/3时，不同工况的超压冲量时程曲线

Figure 9. The overpressure and impulse curves at Z=4 m · kg^-1/3 with different working conditions

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图 10 Z=4 m · kg^-1/3时，不同药量钢化玻璃的毁伤

Figure 10. Damages of tempered glass panes at Z=4 m · kg^-1/3 with different weights

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图 11 玻璃碎片速度

Figure 11. The velocities of glass fragments

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图 12 玻璃碎片速度与冲量关系

Figure 12. The relationship between glass fragment velocities and impulses

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图 13 典型P-I曲线

Figure 13. The typical P-I curve

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表 1 静态劈裂试验强度

Table 1. Static splitting test strengths

specimen number	strain rate/s^-1	splitting strength/MPa	average splitting strength/MPa
B1 B2 B3	10^-2	65.55 57.74 62.71	62.00
B4 B5 B6	10^-3	71.02 69.93 67.83	69.59
B7 B8 B9	10^-4	66.64 62.71 56.10	61.82
B10 B11 B12	10^-5	65.18 62.97 65.89	64.68

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表 2 JH-2模型材料参数(*MAT_JOHNSON_HOLMQUIST_CERAMICS)

Table 2. The material parameters of the JH-2 model (*MAT_JOHNSON_HOLMQUIST_CERAMICS)

ρ₀/(kg·m^-3)	G/GPa	A	B	C	M	N
2 530	31.66	0.93	0.31	0.003	1.0	0.77

EPSI	T/GPa	SFMAX	HEL/GPa	PHEL/GPa	β
1.0	0.064 52	0.5	5.95	2.9	1.0

D₁	D₂	K₁/GPa	K₂/GPa	K₃/GPa
0.04	0.8	66.7	-138	290

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表 3 计算工况

Table 3. The calculation cases

scaled distance/(m·kg^-1/3)	stand-off/m	charge weight/kg	load duration/ms
4	3	0.42	2.55
	5	1.95	4.25
	10	15.63	8.65
	15	52.73	12.95
	20	125	17.2

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表 4 加载阶段界限^[25]

Table 4. Loading segment boundaries^[25]

loading segment	boundary
impulsive segment	ω·t_d < 0.4
dynamic segment	0.4 < ω·t_d < 40
quasi-static segment	ω·t_d>40

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表 5 计算结果

Table 5. The calculated results

calculation case	t_d/ms	ω·t_d
3 m-0.42 kg	2.55	4.32
5 m-1.95 kg	4.25	7.21
10 m-15.63 kg	8.65	14.67
15 m-52.73 kg	12.95	21.95
20 m-125 kg	17.2	29.17

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