Experimental investigations of the effect of millisecond-delay time on the blast vibration reduction with electronic detonators

X Zhang, P Yan, H He, W Lu, B Liu… - Journal of Vibration …, 2023 - journals.sagepub.com
The error of precise initiation time controlled at the microsecond level in the electronic
detonator blasting is accurate enough to realize blasting vibration reduction; however, the …

Tunnel millisecond-delay controlled blasting based on the delay time calculation method and digital electronic detonators to reduce structure vibration effects

X Guan, C Guo, B Mou, L Shi - Plos One, 2019 - journals.plos.org
The reasonable delay time of millisecond-delay blasting using digital electronic detonators
can significantly reduce the vibration effects induced by tunnel blasting. This study proposes …

[PDF][PDF] 爆破振动全历程预测及主动控制研究进展

李鹏, 卢文波, 陈明 - 力学进展, 2011 - lxjz.cstam.org.cn
爆破振动全历程预测及主动控制研究进展 Page 1 第41 卷第5 期 力学进展 Vol. 41 No. 5 2011 年
9 月25 日 ADVANCES IN MECHANICS Sep. 25, 2011 爆破振动全历程预测及主动控制研究 …

Spectral prediction and control of blast vibrations during the excavation of high dam abutment slopes with millisecond-delay blasting

P Li, WB Lu, XX Wu, M Chen, P Yan, YG Hu - Soil Dynamics and …, 2017 - Elsevier
In hydropower projects in Southwest China, large-scale, high-intensity blasts are required to
excavate high rock slopes. In these cases, traditional prediction and control methods for …

[PDF][PDF] 爆破震动信号模极大值小波消噪方法的改进

徐学勇, 程康 - 爆炸与冲击, 2009 - bzycj.cn
针对模极大值小波消噪方法不利于所有信号特征的识别这一缺点, 对该算法进行了改进,
采用自适应的小波尺度来替换二进小波尺度, 以更好地适应测试信号消噪的要求. 应用改进前 …

[PDF][PDF] Simulation of blast vibration controlled by delay blasting

G Mogi, T Adachi, K Tamada, A Ihara, T Arimatsu… - Science and Technology …, 2004 - jes.or.jp
Assuming that the vibration waves emitted by successive detonations in the near by holes,
each having an identical set of explosives, are identical each other, a proper delay between …

Analysis of accumulated damage effects on the roof of mined-out areas under blasting vibration

SR Wang, HH Jia, MS Chang - Advanced Materials Research, 2011 - Trans Tech Publ
Under the repeated blasting vibrations, the roof of the mined-out areas will suddenly
collapse and fall because of its accumulated damage, which is a hidden danger for the …

Singular Value Analysis of Blasting Vibration Signal Base on Wavelet Packet

D Li, X Fang, B Xu, F Lu, F Gao - 2011 International Conference in …, 2012 - Springer
In the analysis of blasting vibration signal, the singular points contain abundant information
of signals, which can be used for time recognition of millisecond blasting. It is of great …

Analysis of Accumulated Damage Effects on the Roof of Mined-Out Areas Under Blasting Vibration Waves

S Wang, H Jia, W Yang - Advanced Science Letters, 2012 - ingentaconnect.com
Based on the mined-out areas in Antaibao Surface Mine, the three-dimension engineering
geological model and computational model were built by using FLAC3D technique …

[引用][C] 爆破条件对爆破震动信号分析中小波包时频特征的影响

宋光明, 曾新吾, 陈寿如, 吴从师 - 工程爆破, 2002