工程爆破

2012, v.18;No.67(01) 24-27

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爆破振动速度预测方法及其影响因素
PREDICTIVE METHODS AND INFLUENCE FACTORS OF BLASTING VIBRATION VELOCITY

赵华兵;龙源;宋克健;胡新印;董超;
ZHAO Hua-bing1,LONG Yuan1,SONG Ke-jian1,HU Xin-yin1,DONG Chao2(1.PLA University of Science and Technology,Nanjing 210007,China;2.Engineer Military Representative Office of the General Armanents Department in Chongqing Area,Chongqing 400000,China)

摘要(Abstract):

爆破振动速度是表征和评判地震强度必不可少的参量,结合某核电站一期地面爆破振动监测数据,分析比较了爆破振动速度的3种预测方法(地震动经验公式法、基函数回归法、BP算法),并讨论了炸药类型、最大药量、炮孔直径、最小抵抗线和延时间隔对爆破振动速度的影响,为工程实践控制爆破振动危害提供了理论依据。
The blasting vibration velocity is an essential parameter to characterize and assess the seismic intensity.On the basis of monitoring data from the ground vibration of bench blasting near a running nuclear power plant,three kinds of predictive methods of vibration velocity(empirical formula method the ground vibration,basic function regression method,Back-Propagation Algorithm) were analyzed and compared and influences of explosive types,maximal charge,bore-hole diameter,minimal resistance line and delay interval on blasting vibration were discussed,which provided theoretical basis for controlling damage caused by blasting vibration.

关键词(KeyWords): 爆破振动速度;安全判据;预测方法;影响因素
Blasting vibration velocity;Safety criterion;Predictive method;Influence factor

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(10772198)

作者(Authors): 赵华兵;龙源;宋克健;胡新印;董超;
ZHAO Hua-bing1,LONG Yuan1,SONG Ke-jian1,HU Xin-yin1,DONG Chao2(1.PLA University of Science and Technology,Nanjing 210007,China;2.Engineer Military Representative Office of the General Armanents Department in Chongqing Area,Chongqing 400000,China)

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