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本文首先结合我国大爆破技术发展概况,简述了体积平衡法与微元弹道法的基本原理,重点论证了体积平衡法的合理核心与各个主要爆破参数经验计算式的应用条件与范围及其存在的问题,并扼要论述了采用体积平衡法进行大爆破设计的典型实例及其存在的主要问题。接上,文章有重点的简述了单元抛体弹导法的基本理论及其优化设计原理,论述了采用这一新的爆破理论与设计方法进行大爆破设计可达到并已实际达到了四定两控制技术水平,即对抛掷堆体能准确做到定向、定距、定量、定形,同时又能有效地控制爆破范围与震害,已居国际先进水平,建议大力推广应用。
In this paper, the basic principle of the volume balance method and the micro-ballistic method are briefly described based on the general situation of the development of the large-scale blasting technology in China. Emphasis is put on the application of the reasonable core of the volume balance method and the empirical calculation formulas of various main blasting parameters and their existence , And briefly discusses the typical examples of the large-blasting design by using the volume balance method and its main problems. In this article, we briefly introduce the basic theory and optimization design principle of the unit projectile missile guidance method, and discuss how to adopt the new blasting theory and design method to achieve the large blasting design and actually achieve the four fixed Two control technology level, that is thrown pile body can accurately do the orientation, distance, quantitative, shape, and can effectively control the scope of blasting and seismic damage, has been living in the international advanced level, it is recommended to promote the application.