爆破による雪庇の除去実験
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概要
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The experiment of taking off the cornice, the main cause of avalanche by an explosion was made and found out that for the fixed amount of powder the method of charging many dynamites with small amount of powder is more effective than that of a few large ones. The experiment has also proved out that the possibility of putting this method into practice. It is believed this is very useful method from the economical point of view, too.
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