›› 2008, Vol. 29 ›› Issue (8): 2203-2208.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on critical failure vibration velocity of arch with vertical wall lining subjected to blasting vibration

YI Chang-ping1, LU Wen-bo2, ZHANG Jian-hua1, ZHANG Ai-ping3   

  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; 3. Hubei Provincial Water Resources & Hydropower Construction Company, Wuhan 430061, China
  • Received:2006-12-08 Online:2008-08-11 Published:2013-08-02

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Abstract: The function of complex variable and stress wave theory are employed to study the stress and vibration velocity distribution of arch with vertical wall lining(AVWL) induced by blasting vibration; then the critical failure vibration velocity of AVWL is gotten when the incidence angles of incident wave are different. Firstly, the AVWL is mapped into a circularity whose outside radius is bigger than 1 but inside radius is equal to 1, and then the dynamical response of the circularity is solved under the acting of harmony P wave. The result shows that the incidence angle of incident wave has large influence on failure vibration velocity of AVWL, when the incidence angle is 90?, 0?, 270?, the critical failure vibration velocity of lining is decrease by degrees.

Key words: blasting vibration, arch with vertical wall lining, function of complex variable, critical vibration velocity

CLC Number: 

  • TU 434
  • 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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