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Volume 12 Issue 2
Jun 2001
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Hongming Yu, Yanxin Hu. Effect Blasting Excavation of Yujiapeng Tunnel on Stability of Nearby Giant Dangerous Rock Masses (DRM). Journal of Earth Science, 2001, 12(2): 142-144.
Citation: Hongming Yu, Yanxin Hu. Effect Blasting Excavation of Yujiapeng Tunnel on Stability of Nearby Giant Dangerous Rock Masses (DRM). Journal of Earth Science, 2001, 12(2): 142-144.

Effect Blasting Excavation of Yujiapeng Tunnel on Stability of Nearby Giant Dangerous Rock Masses (DRM)

Funds:

by the Reconnaissance of Feasibility about Yujia-peng Tunnel, Zigui County, Hubei Province. 

  • Received Date: 18 Nov 2000
  • Accepted Date: 12 Dec 2000
  • On the basis of the interpretation of engineering geology of the tunnel and of its adjacent dangerous rock masses (DRM), this paper presents the energy and vibration parameters of the explosion that propagates in different blasting modes according to the experimental formulas now usually employed. Then the stability checking computation of T 8-T 12 area, the most dangerous area of DRM, is conducted under the limited blasting condition and with the limited equilibrium method. The result shows that the effect on the stability is only 5.5 % and that this area also contains certain safety reserves.

     

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  • JT1063-85 The Criterion of Tunnel Reconnaissance
    Holmber R, Persson P A, 1978. The Swedish Approach to Contour Blasting Porch. 4th Con on Explosives and Blasting Technique Arr by the Soc of Explosives Engineers, Neew Orleans.
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