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Part of the book series: Felsmechanik und Ingenieurgeologie / Rock Mechanics and Engineering Geology ((FELSMECHANIK,volume 4))

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Zusammenfassung

Mechanischer Stollenvortrieb im Hartgestein. Beim Kolloquium wurde ein Film gezeigt, welcher den Einsatz einer DEMAG-Tunnelvortriebsmaschine für den vollmechanisierten Ausbruch in hartem Fels zeigte. Neben dem großen, 24 km langen Albstollen sollen einige kleinere, stahlgepanzerte Druckstollen im Süden von Stuttgart für den Ausbau der Bodensee-Wasserversorgung zu einer Kapazität von etwa 7500 1/s gebaut werden. Konstruktion und Arbeitsweise der Vortriebsmaschine wurden an den Beispielen des Ghaiberg- und Kirchberg-Tunnels gezeigt, wo die größte Vortriebsleistung mehr als 20 m pro Tag oder 250 m pro Monat betrug. Der erste Tunnel ist bereits mit einigem technischen und finanziellen Erfolg fertiggestellt. Es besteht daher kein Zweifel, daß auch in härteren Felsformationen mechanisch vorgetrieben werden kann.

Summary

Mechanized Tunnel Heading in Hard Rock. At the Salzburg Colloquium in October 1967 a film was shown which dealt with a DEM AG tunnelling machine for the fully-mechanized heading of tunnels in hard rock formations. Besides the large 24 km long “Alb-tunnel” some smaller, steel-lined high-pressure tunnels are to be built south of Stuttgart for the extension of the Lake of Constance Water Supply Scheme to a capacity of about 7500 liters per second. Construction and working of the tunnelling machine was described when heading the Ghaiberg and the Kirchberg tunnel, the maximum advance rate at site being more than 20 m per day or 250 m per month.

The robust constructed DEMAG tunnelling machine comprises the machine body with jacking pads, and a tender which takes the drive, operator’s seat, hydraulic unit, the indicating device for visual navigation, and the built-in conveyor which transfers the rubble to the rearward conveying facilities. The installed power of the machine is 220 kW. Without changing the main body of the cutting head, the boring diameter can be altered from 1.98 m to 2.30 m by adjusting the roller cutters. The stroke of 0.8 m needs 25 to 45 minutes.

The first tunnel is already completed with some technical and financial success. Therefore also harder rock formations can be headed mechanically.

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© 1968 Springer-Verlag Wien

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Naber, G. (1968). Mechanischer Stollenvortrieb im Hartgestein. In: Müller, L. (eds) Aktuelle Probleme der Geomechanik und Deren theoretische Anwendung / Acute Problems of Geomechanics and Their Theoretical Applications. Felsmechanik und Ingenieurgeologie / Rock Mechanics and Engineering Geology, vol 4. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2110-8_18

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  • DOI: https://doi.org/10.1007/978-3-7091-2110-8_18

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-80848-1

  • Online ISBN: 978-3-7091-2110-8

  • eBook Packages: Springer Book Archive

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