Based upon blasting mechanics theory, pressure on the wall of borehole and blast stress field are gained in the course of detonation with air cushion charging construction.

利用爆炸力学理论，得到空气垫层装药爆破的孔壁压力及其爆炸应力场。

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The radium of blasting cavity, stress peak value and action time of stress waves are validated by the theory of classical explosion mechanics and the way of curve regression.

借助经典的爆炸力学理论和回归拟合曲线方法，验证了爆炸空腔大小、应力波的应力峰值、应力波的作用时间。

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The calculating formulae of minimum Angle corresponding to the remained wall and blasting cutting height are deduced on the basis of principle of mechanics and dynamics.

运用力学和运动学方法推导得到了余留支撑体所对应的最小保留角和爆破切口高度计算公式。

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