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通过爆破振动速度的现场测试和分析，研究了３种爆破条件下的爆破振动速度传播规 律，分析了一种特殊地形对爆破振动速度传播的影响效果。基于上述工作，讨论了爆破减振 保护层的减振效果，给出了允许的梯段爆破药量，较好地解决了两个部位混凝土浇筑和爆破 开挖之间的矛盾。
Through the field test and analysis of blasting vibration velocity, the blasting vibration velocity propagation law under three kinds of blasting conditions was studied, and the effect of a special terrain on blasting vibration velocity propagation was analyzed. Based on the above work, the vibration reduction effect of blasting vibration damping protective layer is discussed. The allowable blasting dose is given and the contradiction between pouring and blasting excavation at two locations is well solved.