A New Sensing System for Pre-excavation Subsurface Investigation for Tunnels in Rock Masses. Volume II. Appendices: Detailed Theoretical, Experimental and Economic Foundation

Rubin, L. A.; Fowler, J. C.; Griffin, J. N.; Still, W. L.; United States. Federal Highway Administration; Ensco, Inc.

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A New Sensing System for Pre-excavation Subsurface Investigation for Tunnels in Rock Masses. Volume II. Appendices: Detailed Theoretical, Experimental and Economic Foundation

1976-01-01
By Rubin, L. A. ; Fowler, J. C. ; Griffin, J. N. ; ...

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Creators:

Rubin, L. A. ; Fowler, J. C. ; Griffin, J. N. ; Still, W. L.

Rubin, L. A. ; Fowler, J. C. ; Griffin, J. N. ; Still, W. L. Less -
Corporate Creators:

United States. Federal Highway Administration ; Ensco, Inc.

United States. Federal Highway Administration ; Ensco, Inc. Less -
Subject/TRT Terms:

[+]

Acoustic Detectors Acoustic Emission Analysis Boreholes Construction Costs Data Collection Excavation And Tunneling Functional Analysis Geological Events Geological Surveying Materials Radar Rocks Seismicity Seismic Prospecting Surveys Tunneling
Publication/ Report Number:

FHWA-RD-77- 11 Final Rpt., 1061-TR-3-1-Vol-2
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

00174741
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

Contents: Theoretical studies-(Alternatives considered for a feasible baseline system, Rock characteristics of significance in tunneling, Range and resolution, Acoustic wave propagation in hard rock, Acoustic sensing system, Ground-probing radar, Electrical resistivity, Signal processing techniques applicable to subsurface investigation of rock masses through boreholes, Conceptual design of hard rock sensor conveyance device, Applicability of drill rigs as propulsion devices); Critical laboratory experiments-(Studies of geo-engineering properties of rock related to the use of radar and sonar probing systems, Transverse-dipole borehole antennas, Subsurface experiments with radar); Economic considerations-(Comparative study of probabilities of success of candidate system design concepts, Economic analysis of the full-capability system, Cost of pilot tunnels, Analysis of sensing cost-benefit ratios as functions of borehole size, Cost-effectiveness considerations for propulsion and penetration).
Format:

PDF
Funding:

DOT-FH-11-8602
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

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urn:sha256:a1a18044151b863f54aa0ad4e0a926d21c880df07d5457d9949dbf0de42cd5d9
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https://rosap.ntl.bts.gov/view/dot/30588/dot_30588_DS1.pdf
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A New Sensing System for Pre-excavation Subsurface Investigation for Tunnels in Rock Masses. Volume II. Appendices: Detailed Theoretical, Experimental and Economic Foundation

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