中文摘要：

结合未爆弹销毁作业的特点，分析常用销毁方法的适用范围，将烟火切割技术应用于弹药销毁作业，介绍了一种引燃非引爆的销毁方法。概述了金属熔流销毁技术的原理，梳理了燃烧剂配方和燃烧炬结构的研究现状，分析了燃烧剂体系配比，添加剂成分和燃烧炬结构对金属熔流的作业时间、熔穿金属效率、效果的影响，对比文献资料，采用火箭发动机型燃烧炬和利用高热剂、合金剂、稀释剂和造气剂优化燃烧剂，更有利于未爆弹药的销毁。并为下一步深入研究基于金属熔流的弹药销毁技术提供参考。

英文摘要：

The tunnel surrounding rock was subjected to temperature stress concentration effects under the impact of explo-sion and the rock damage and poor quality of tunnel blasting shaping would be made. How to avoid defects of surrounding rock on the tunnel blasting shaping quality needed to be researched and solved. With the background of the tunnel of Chengdu- Chongqing high-speed railway, the infrared thermography experimental design was applied for the tunnel face based on infrared thermography theory. The infrared experimental abnormal regions of the temperature distribution and the temperature variation range of the tunnel face from different joint fissures were judged to explore the regularities of infrared temperature. The research result showed that tunnel face rock had radiation temperature field with high and low temperature abnormality area. The bottom of the infrared temperature in tunnel face was lower and the central part was higher. The infrared temperature of tunnel face rock showed up anomaly as temperature raised and fell alternately during rock fracture. and there was obvious high and low temperature zone. It could provide certain information for drilling-and-charging design parameters and evaluation of the sta-bility of surrounding rock.