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Vol 156
Pages:
20-23
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RUS

Forecasting technique of tunnel exploitation stability of St. Petersburg underground

Authors:
A. G. Protosenya1
E. G. Kozin2
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining University
  • 2 — St. Petersburg Metropoliten
Date submitted:
2003-06-24
Date accepted:
2003-07-22
Date published:
2004-09-09

Abstract

In-situ measurements of tunnels deformation for Saint-Petersburg subway are given. Time dependable wave character of tunnels deformation in the form of rising and lowering was discovered. It was established that periodical rising and lowering of tunnels occur along the track section with disrupted rock mass and tectonic fissure. It was suggested that tunnel stability prediction technique is based on rate of it displacement.

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