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介绍了采用水压爆破技术拆除 3个地下大型涵管的药量计算和施工方法 ;研究了冲量准则公式中K值的选取范围 ,比较了K值的大小对爆破效果的影响 ;可供同类工程以及对K值的进一步研究作参考。
This paper introduces the calculation and construction methods of the demolition of three large-scale underground culverts by hydraulic blasting technology. The selection range of K value in the formula of impulse criterion is studied, and the effect of K value on the blasting effect is compared. For further study of K value for reference.