›› 2007, Vol. 28 ›› Issue (S1): 730-736.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical analysis of low strain dynamic response of anchorage bolt system

CHEN Jian-gong, ZHANG Yong-xing   

  1. Department of Civil Engineering, Chongqing University, Chongqing 400045, China
  • Received:2007-04-29 Online:2007-10-25 Published:2014-03-28

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Abstract: The numerical experiment is mode by using finite element analysis. The dynamic responses are simulated for undamaged anchorage system and damaged anchorage systems by axis symmetry numerical calculate. For undamaged anchorage system, the signal of bar’s top speed fade down quickly as the surrounding-rock is hard and the bar’s bottom reflected signal is not clear. Meanwhile the signal of bar’s top speed fade down slowly as the surrounding-rock is weak and the bar’s bottom reflected signal is clear. For damaged anchorage system, the reflected signal of impairment is distinct as steel have impairment. When anchorage mortar has defect, the reflected signal of defect is indistinct but he bar’s bottom reflected signal is distinct.

Key words: anchorage bolt, dynamic response curve, finite-element method

CLC Number: 

  • TU 413.5
  • 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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