CAJ | 학술논문

为了研究水下延时爆破对地表振动的影响，在某一小水池中，采用不同延时药包组合引起地表振动，对其进行测试。试验中各组合总药量相同，药包个数不同，对地面产生的振动速度和主振频率采用UBOX-5016型振动自记仪进行测试和分析。研究并发现毫秒延时爆破能有效降低爆破振动，通过选出的较优延时组合，初步估计合理的延时间隔为25~50 ms。
위료연구수하연시폭파대지표진동적영향，재모일소수지중，채용불동연시약포조합인기지표진동，대기진행측시。시험중각조합총약량상동，약포개수불동，대지면산생적진동속도화주진빈솔채용UBOX-5016형진동자기의진행측시화분석。연구병발현호초연시폭파능유효강저폭파진동，통과선출적교우연시조합，초보고계합리적연시간격위25~50 ms。
Ground vibration tests at different charge delay intervals were conducted in a small pool to study the impact of underwater delay blasting on the vibration of ground surface. During the experiment, the charge number was various for each group at a constant charge quantity in total. The ground vibration velocities and main frequencies were tested and analyzed by UBOX-5016 blasting vibration recorder. The study shows that millisecond delay blasting can effec-tively reduce the blasting vibration. The reasonable delay interval was preliminarily estimated to be 25-50ms at optimized charge delay interval.