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结构面板的抗爆炸能力经过安福爆炸物冲击管测试
Gang-Kyu Park1, Jae Heum Moon1, Hyun-Seop Shin1
1Department of Structural Engineering Research, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-ro, Ilsanseo-gu, Goyang-si 10223, Gyeonggi-do, Republic of Korea.
Materials (Basel, Switzerland)
|August 12, 2023
概括
这项研究测试了结构面板对酸燃料油 (ANFO) 在冲击管中的爆炸. 结果比较了钢筋混凝土,HPFRCC和复合板的抗爆性能,为防爆策略提供了信息.
科学领域:
- 结构工程 结构工程
- 爆炸工程是爆炸工程.
- 材料科学 材料科学 材料科学
背景情况:
- 对结构的爆炸负荷是一个关键问题.
- 在狭窄的空间中准确预测爆炸效应是具有挑战性的.
- 像UFC 3-340-02这样的现有标准提供了爆炸负载预测.
研究的目的:
- 通过实验评估各种结构面板的抗爆性能.
- 为了将冲击管爆炸波特征与UFC 3-340-02预测进行比较.
- 评估保护性涂层和结构性阻尼对抗爆破的有效性.
主要方法:
- 使用酸燃料油 (ANFO) 的冲击管试验.
- 在冲击管内的多个位置测量冲击波压力.
- 对钢筋混凝土 (RC),高性能纤维增强水泥复合材料 (HPFRCC) 和复合板 (聚氨酸涂层RC,钢附加RC) 的评估.
- 爆炸后的后面裂模式和长度的分析.
主要成果:
- 在一个封闭的冲击管环境中产生的量化爆炸压力.
- 实验爆压和UFC 3-340-02预测之间的观察差异.
- 在不同的ANFO收费下,记录了每个面板类型的裂纹图案和长度.
- 证明了聚氨酸涂层和钢格结构对抗爆破的影响.
结论:
- 提供了不同类型结构面板的爆破性能的经验数据.
- 强调了对狭窄空间的精细爆炸负载预测模型的需求.
- 表明带有保护措施的复合板提供了与普通RC板相比更强的抗爆性能.
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