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基于HHT方法的硐室大爆破震动分析 被引量：9

ANALYSIS OF CHAMBER BLASTING VIBRATION BASED ON HHT METHOD
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摘要 HHT（Hilbert-Huang Transform）方法是一种全新而优越的分析与处理非平稳信号的时频方法，它具有自适应性强、高效及Hilbert能量谱可清晰地表明能量随时频分布的特点。利用HHT办法分析了洛钼集团矿山公司在栾川县冷水镇实施“15000t／d露采工程大爆破”所获得的爆破震动监测记录，探讨了硐室大爆破震动的时频特征及不同场地条件对震动传播特性的影响。 HHT（Hilbert-Huang Transform） provides a fire-new and predominant time-frequency method in analyzing and processing non-stationary signals. It has characteristics of self-adaptation and good efficiency, and Hilbert energy spectrum can clearly express the energy distribution with time and frequency in detail. In this paper, the data collected from blasting vibration monitoring records on project of engineering chamber blasting with 15 000 t/d in open mine that are carried out by mine company of Luomu group at Lengshui town in Luanchuan county are analyzed with HHT. Time-frequency character of chamber blasting vibration and influence upon vibration propagation characteristic due to different field conditions are discussed.
作者 张义平 李夕兵 赵国彦 王卫华
机构地区 中南大学资源与安全工程学院
出处 《岩石力学与工程学报》 EI CAS CSCD 北大核心 2005年第A01期4784-4789,共6页 Chinese Journal of Rock Mechanics and Engineering
基金 国家自然科学基金重大项目（50490274） 国家自然科学基金资助项目（10472134）
关键词 爆破力学 大爆破 HHT方法 震动监测与分析 mechanics of explosion chamber blasting HHT method vibration monitoring and analysis
分类号 TD235 [矿业工程—矿井建设]
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参考文献10

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共引文献111

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引证文献9

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岩石力学与工程学报
2005年 第A01期

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