›› 2006, Vol. 27 ›› Issue (8): 1312-1316.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Research on influence of blasting vibration on grouted rockbolt

YI Chang-ping1, 2, LU Wen-bo2   

  1. 1. School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China; 2. School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China
  • Received:2004-10-18 Online:2006-08-10 Published:2013-11-26

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Abstract: Blasting vibration can induce some adverse influence on grouted rockbolt. The stress wave theory and wave function expansion method are adopted to analyze the interaction between stress wave and rockbolt. The distribution of stress and peak particle velocity around grout under the blasting vibration is derived; influences of stress wave in different frequencies on grouted rockbolt are compared; the safe peak particle velocity range in the grouted rockbolt is derived with stress waves of different frequencies. The result shows that the higher the frequency of incident wave is, the bigger the safe peak vibration velocity for grouted rockbolt is.

Key words: blasting vibration, grouted rockbolt, peak particle velocity, frequency

CLC Number: 

  • O 382
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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