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为了评价炸药类型、炮孔装药结构和起爆方式在试验场条件下对地震强度和频率成分的影响,进行了单个炮孔药包的试验爆破。在进行试验爆破的同时测量地震速度。下图介绍了试验炮孔药包结构。
In order to evaluate the influence of explosive type, charge structure and initiation mode on seismic intensity and frequency components under the conditions of test site, a single shot blasting test was carried out. Seismic velocities are measured simultaneously with the test blasting. The figure below shows the structure of the gun hole.