本文基于系列大型爆破试验的高速摄影观测资料,对敞口条形洞室爆破的洞外爆炸产物和破碎岩石的运动作出了定性和定量的描述。文中将其运动过程分解为洞口喷流、第二喷流和鼓包运动三个运动体系,给出了直观的几何图象和物理图象;同时用回归方程分别表达了这三个体系的运动特性。 Based on the high-speed photogrammetric data of a series of large-scale blasting tests, this paper qualitatively and quantitatively describes the explosives and the movement of broken rock in open-celled cavern explosion. In this paper, the motion process is decomposed into three motion systems of hole jet, the second jet and the drum movement, and the visual geometric images and physical images are given. At the same time, the motion characteristics of the three systems are respectively expressed by the regression equation .