A method of buffer blasting used in the open pit is presented in this paper.

本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。

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The experiment design and method of loose blasting funnels are introduced in this paper, and an analysis of the test results is carried out.

介绍了爆破漏斗的实验设计和实验方法，并对实验结果进行了分析。

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Secondly, the transmission rules and characteristics of blasting seism wave are analyzed in the paper. The methods of analyzing and predicting blasting vibration are introduced in this paper too.

其次，在分析地震波的特征和传播规律的基础上，介绍了爆破地震振动分析与预测的方法；

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