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首页> 外文会议>The Second Asian-Pacific Symposium on Blasting Techniques（第二届亚太地区爆破技术研讨会） >Relationship between Pressure Desensitization and Sensitization Bubbles Content of Emulsion Explosives
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Relationship between Pressure Desensitization and Sensitization Bubbles Content of Emulsion Explosives

机译：乳化炸药的压力脱敏与增感气泡含量的关系

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摘要

Three kinds of emulsion explosives were made from an emulsion matrix by mixed with 0.1%, 0.15% and 0.25% by the mass of H foaming agents respectively. Under the same experimental conditions, the explosion shock waves produced by the explosives in water were tested before and after subjected to the host charge's shock wave. The compressive resistance performance of them were compared and analyzed with The pressure desensitization degrees were calculated with the peak pressure of their explosion shock waves, which then were used to compare and analyze the compressive resistance performance of the explosives. The experimental results indicate that the content of sensitizing bubble has great influence on the pressure desensitization of the emulsion explosives. When the content of foaming agents increases from 0.1% to 0.25%,the desensitization degree of emulsion explosives will be increased, while the compressive resistance performance decreased obviously. The analysis result shows that both the change of the sensitizing bubbles' distribution structure and the broken emulsion surrounding the bubbles are the causes of the pressure desensitization of emulsion explosives. The higher content of the sensitizing bubbles and higher proportion of the broken emulsion are, the easier the pressure desensitization will occur.
机译：由乳液基体分别混合质量分数为0.1％，0.15％和0.25％的H发泡剂制成三种乳液炸药。在相同的实验条件下，对爆炸物在水中产生的爆炸冲击波进行测试，然后对其施加主装药的冲击波。通过对它们的抗压性能进行比较和分析。利用爆炸冲击波的峰值压力计算压力减敏度，然后将其用于比较和分析炸药的抗压性能。实验结果表明，敏化气泡的含量对乳化炸药的压力脱敏有很大的影响。当发泡剂的含量从0.1％增加到0.25％时，乳化炸药的脱敏度会增加，而抗压性能却明显下降。分析结果表明，敏化气泡分布结构的变化和气泡周围乳剂的破裂都是乳化炸药压力减敏的原因。敏化气泡的含量越高，破乳的比例越高，压力脱敏就越容易发生。

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