Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels

V.A. Kontogianni; P.A. Psimoulis; S.I. Pytharouli; S.C. Stiros

Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels

V.A. Kontogianni, P.A. Psimoulis, S.I. Pytharouli, S.C. Stiros

Civil And Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

3 Citations (Scopus)

Abstract

In the late 1930's Karl Terzaghi, during the construction of the Chicago Subway Tunnels in soft rocks, introduced a new technique: he adapted excavation parameters to geodetic observations of ground settlement. This innovative technique, subsequently called by Ralph Peck 'observational method', revolutionized tunnel excavation, till then confined to fully pre-determined models. Major progress in the observational method, however, occurred since the advent of electronic and automatic, real-time monitoring techniques, mostly based on geodetic instrumentation. A number of examples indicate the significance of this method, very popular in our days, in different types of underground works, with monitoring data used in feedback analyses, optimization of the geotechnical modeling and eventually, prediction of deformation.

Original language	English
Title of host publication	Geotechnical Aspects of Underground Construction in Soft Ground
Subtitle of host publication	Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005
Editors	Klaas Jan Bakker, Adam Bezuijen, Wout Broere, E.A. Kwast
Place of Publication	London
Pages	725-730
Number of pages	6
Publication status	Published - 22 Dec 2005
Event	5th International Symposium of the International Society for Soil Mechanics and Geotechnical Engineering - Amsterdam, Netherlands Duration: 15 Jun 2005 → 17 Jun 2005

Conference

Conference	5th International Symposium of the International Society for Soil Mechanics and Geotechnical Engineering
Country/Territory	Netherlands
City	Amsterdam
Period	15/06/05 → 17/06/05

Keywords

excavation parameters
Karl Terzaghi
geodetic observation
ground settlement
tunnel excavation

Cite this

Kontogianni, V. A., Psimoulis, P. A., Pytharouli, S. I., & Stiros, S. C. (2005). Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. In K. J. Bakker, A. Bezuijen, W. Broere, & E. A. Kwast (Eds.), Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005 (pp. 725-730).

Kontogianni, V.A. ; Psimoulis, P.A. ; Pytharouli, S.I. et al. / Geodetic monitoring of underground excavations : 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005. editor / Klaas Jan Bakker ; Adam Bezuijen ; Wout Broere ; E.A. Kwast. London, 2005. pp. 725-730

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title = "Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels",

abstract = "In the late 1930's Karl Terzaghi, during the construction of the Chicago Subway Tunnels in soft rocks, introduced a new technique: he adapted excavation parameters to geodetic observations of ground settlement. This innovative technique, subsequently called by Ralph Peck 'observational method', revolutionized tunnel excavation, till then confined to fully pre-determined models. Major progress in the observational method, however, occurred since the advent of electronic and automatic, real-time monitoring techniques, mostly based on geodetic instrumentation. A number of examples indicate the significance of this method, very popular in our days, in different types of underground works, with monitoring data used in feedback analyses, optimization of the geotechnical modeling and eventually, prediction of deformation.",

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Kontogianni, VA, Psimoulis, PA, Pytharouli, SI & Stiros, SC 2005, Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. in KJ Bakker, A Bezuijen, W Broere & EA Kwast (eds), Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005. London, pp. 725-730, 5th International Symposium of the International Society for Soil Mechanics and Geotechnical Engineering, Amsterdam, Netherlands, 15/06/05.

Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. / Kontogianni, V.A.; Psimoulis, P.A.; Pytharouli, S.I. et al.
Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005. ed. / Klaas Jan Bakker; Adam Bezuijen; Wout Broere; E.A. Kwast. London, 2005. p. 725-730.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

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T1 - Geodetic monitoring of underground excavations

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AU - Kontogianni, V.A.

AU - Psimoulis, P.A.

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N2 - In the late 1930's Karl Terzaghi, during the construction of the Chicago Subway Tunnels in soft rocks, introduced a new technique: he adapted excavation parameters to geodetic observations of ground settlement. This innovative technique, subsequently called by Ralph Peck 'observational method', revolutionized tunnel excavation, till then confined to fully pre-determined models. Major progress in the observational method, however, occurred since the advent of electronic and automatic, real-time monitoring techniques, mostly based on geodetic instrumentation. A number of examples indicate the significance of this method, very popular in our days, in different types of underground works, with monitoring data used in feedback analyses, optimization of the geotechnical modeling and eventually, prediction of deformation.

AB - In the late 1930's Karl Terzaghi, during the construction of the Chicago Subway Tunnels in soft rocks, introduced a new technique: he adapted excavation parameters to geodetic observations of ground settlement. This innovative technique, subsequently called by Ralph Peck 'observational method', revolutionized tunnel excavation, till then confined to fully pre-determined models. Major progress in the observational method, however, occurred since the advent of electronic and automatic, real-time monitoring techniques, mostly based on geodetic instrumentation. A number of examples indicate the significance of this method, very popular in our days, in different types of underground works, with monitoring data used in feedback analyses, optimization of the geotechnical modeling and eventually, prediction of deformation.

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Y2 - 15 June 2005 through 17 June 2005

ER -

Kontogianni VA, Psimoulis PA, Pytharouli SI, Stiros SC. Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. In Bakker KJ, Bezuijen A, Broere W, Kwast EA, editors, Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005. London. 2005. p. 725-730

Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels

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