Please use this identifier to cite or link to this item: https://doi.org/10.1007/BF01019675
Title: Finite element analysis of vibrations induced by propagating waves generated by tunnel blasting
Authors: Valliappan, S.
Ang, K.K. 
Issue Date: Jan-1988
Source: Valliappan, S., Ang, K.K. (1988-01). Finite element analysis of vibrations induced by propagating waves generated by tunnel blasting. Rock Mechanics and Rock Engineering 21 (1) : 53-78. ScholarBank@NUS Repository. https://doi.org/10.1007/BF01019675
Abstract: The excavation of underground tunnels close to existing substructures or the ground surface presents problems especially when blasting is being carried out. The high intensity waves which are generated and propagated through the rock medium, due to the detonation of explosives, may still have large amplitudes when they reach the ground surface. In order to study the vibration effects due to these propagating waves associated with blasting, a finite element simulation of tunnel blasting has been carried out in this paper. An example of a new tunnel excavated below an existing tunnel has been studied. Even though this problem is three dimensional in nature, due to the large computational efforts involved in three dimensional dynamic analysis, a two dimensional finite element analysis has been adopted. A pseudo-plane strain concept has been used since it has been found that the results obtained using such an approach are more realistic than the conventional plane strain analysis. It is concluded that results from such a numerical analysis could compliment the field investigations to produce guidelines for safe and controlled blasting. © 1988 Springer-Verlag.
Source Title: Rock Mechanics and Rock Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/65602
ISSN: 07232632
DOI: 10.1007/BF01019675
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