publication . Conference object . Other literature type . 2008

Seismic prediction ahead of tunnel construction using Rayleigh-waves

Jetschny, Stefan; De Nil, Denise; Bohlen, Thomas;
Open Access English
  • Published: 01 Jan 2008
  • Publisher: Curran, Red Hook (NY)
  • Country: Germany
Abstract
To increase safety and efficiency of tunnel constructions, online seismic exploration ahead of a tunnel can become a valuable tool. We developed a new forward looking seismic imaging technique e.g. to determine weak and water bearing zones ahead of the constructions. Our approach is based on the excitation and registration of tunnel surface-waves. These waves are excited at the tunnel face behind the cutter head of a tunnel boring machine and travel into drilling direction. Arriving at the front face they generate body-waves propagating further ahead. Reflected S-waves are back-converted into tunnel surface-waves.
Subjects
arXiv: Condensed Matter::Mesoscopic Systems and Quantum Hall EffectCondensed Matter::Superconductivity
free text keywords: Physics, ddc:530
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Conference object . 2008
Provider: KITopen
http://dx.doi.org/10.5445/ir/1...
Other literature type . 2008
Provider: Datacite
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publication . Conference object . Other literature type . 2008

Seismic prediction ahead of tunnel construction using Rayleigh-waves

Jetschny, Stefan; De Nil, Denise; Bohlen, Thomas;