23rd EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems 2010
DOI: 10.3997/2214-4609-pdb.175.sageep042
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Continuous Exploration Ahead Of The Tunnel Face By Tswd - Tunnel Seismic While Drilling

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Cited by 4 publications
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“…B. "Tunnel Seismic While Drilling" (TSWD; [3,7,8]), "Tunnel Seismic Prediction" (TSP; [9]) oder "Integrated Seismic Imaging System" (ISIS, [10]). Die verschiedenen Methodiken unterscheiden sich im wesentlichen in der genutzten Quelle zur seismischen Anregung und der Art und geometrischen Aufstellung der eingesetzten Aufnehmer.…”
Section: Introductionunclassified
“…B. "Tunnel Seismic While Drilling" (TSWD; [3,7,8]), "Tunnel Seismic Prediction" (TSP; [9]) oder "Integrated Seismic Imaging System" (ISIS, [10]). Die verschiedenen Methodiken unterscheiden sich im wesentlichen in der genutzten Quelle zur seismischen Anregung und der Art und geometrischen Aufstellung der eingesetzten Aufnehmer.…”
Section: Introductionunclassified
“…One method to reduce the risks is based on results of the SWD-Seismic While Drilling (e.g., Poletto and Miranda, 2004) and named as "Tunnel Seismic While Drilling -TSWD" (Petronio et al, 2003). The TSWD-method (Brückl et al, 2008 and2010) uses the vibration signal of the cutting head of the TBM as a seismic source and therefore does not disturb the tunneling process. Modern TBM´s can drill about 50 m per day under favorable geologic conditions and therefore a real time processing and daily update of prediction has to be done.…”
Section: Introductionmentioning
confidence: 99%
“…Additional information about the rock conditions was obtained for a section of the Hieflau headrace tunnel from seismic reflection measurements using the "Tunnel Seismic While Drilling" (TSWD) method [7] [8]. The seismic reflections from the rock mass can be directly related to the rock jointing because it is dependent on alterations of the seismic velocity and the density.…”
Section: Introductionmentioning
confidence: 99%
“…Zusätzliche Informationen über den Gebirgszustand ergaben sich für einen Teilabschnitt im Triebwasserstollen Hieflau aus den reflexionsseismischen Messungen mit der "Tunnel Seismic While Drilling (TSWD)-Methode" [7] [8]. Die reflexionsseismische Antwort des Gebirges kann di- ed than with less jointing, because there is a continuous alternation of rock strength.…”
Section: Introductionunclassified