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Some Observations of Machine Tunnelling at the Kielder Aqueduct

T. D. O'Rourke / S. D. Priest / B. M. New

Detailed observations and measurements were taken in the first 1600 m of the North Wear Drive, where the tunnel was driven through approximately equal lengths of sandstone, limestone and mudstone. This paper summarizes the structure and material properties of the in-situ rock in each of the principal lithologies and compares the observed ground conditions with the machine advance rates and rock support adopted during tunnelling. Attention is directed to the performance of the tunnel boring machine in light of the geological conditions, and improvements are suggested as an expedient to future machine excavation. In addition, the results of seismic scans, taken along the tunnel, are summarized and compared with detailed observations of the rock conditions. (Copyright (c) Crown Copyright 1979.)

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Some Observations of Machine Tunnelling at the Kielder Aqueduct

T. D. O'Rourke / S. D. Priest / B. M. New

Detailed observations and measurements were taken in the first 1600 m of the North Wear Drive, where the tunnel was driven through approximately equal lengths of sandstone, limestone and mudstone. This paper summarizes the structure and material properties of the in-situ rock in each of the principal lithologies and compares the observed ground conditions with the machine advance rates and rock support adopted during tunnelling. Attention is directed to the performance of the tunnel boring machine in light of the geological conditions, and improvements are suggested as an expedient to future machine excavation. In addition, the results of seismic scans, taken along the tunnel, are summarized and compared with detailed observations of the rock conditions. (Copyright (c) Crown Copyright 1979.)

Some Observations of Machine Tunnelling at the Kielder Aqueduct

T. D. O'Rourke / S. D. Priest / B. M. New

Detailed observations and measurements were taken in the first 1600 m of the North Wear Drive, where the tunnel was driven through approximately equal lengths of sandstone, limestone and mudstone. This paper summarizes the structure and material properties of the in-situ rock in each of the principal lithologies and compares the observed ground conditions with the machine advance rates and rock support adopted during tunnelling. Attention is directed to the performance of the tunnel boring machine in light of the geological conditions, and improvements are suggested as an expedient to future machine excavation. In addition, the results of seismic scans, taken along the tunnel, are summarized and compared with detailed observations of the rock conditions. (Copyright (c) Crown Copyright 1979.)

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Titel:

Some Observations of Machine Tunnelling at the Kielder Aqueduct

Beteiligte:

T. D. O'Rourke (Autor:in) / S. D. Priest (Autor:in) / B. M. New (Autor:in)

Erscheinungsdatum:

1979

Format / Umfang:

44 pages

Medientyp:

Report

Format:

Keine Angabe

Sprache:

Englisch

Schlagwörter:

Civil Engineering , Construction Equipment, Materials, & Supplies , Soil & Rock Mechanics , Tunneling(Excavation) , Tunneling machines , Geologic structures , Water tunnels , Geophysical prospecting , Construction , Underground supporting , Foreign technology , Kielder Aqueduct

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