Measuring the influence to existing utilities of nearby trenchless operations

Noriyuki Horichi, Youji Oku, Isamu Ono, Atush Koizumi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    This paper presents two case studies on the use of optical fiber technology for remote monitoring of civil engineering structures. The first case measures settlement and cross-sectional deformation of an existing 3m-diameter cable tunnel when a 10 m-diameter shield boring machine was passing beneath it with a clearance of approximately 3m. The second case measures deformation of a PVC pipe which was installed for measuring ground deformation since this pipe is regarded to reflect the ground deformation when a 7m-diameter shield machine drives 2m below the 10cm outer diameter PVC pipe. In both cases, the optical fiber technology provided continuous measurements of tunnel settlement along the longitudinal direction and deformation of the PVC cross-section. These case studies are expected to be very valuable material for designing or maintaining pipelines and tunnels.

    Original languageEnglish
    Title of host publication29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011
    Pages409-418
    Number of pages10
    Publication statusPublished - 2011
    Event29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011 - Berlin, Germany
    Duration: 2011 May 22011 May 5

    Other

    Other29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011
    CountryGermany
    CityBerlin
    Period11/5/211/5/5

    Fingerprint

    Polyvinyl chlorides
    tunnels
    Tunnels
    tunnel
    pipe
    Pipe
    Optical fibers
    shield
    boring machines
    optical fibers
    clearances
    civil engineering
    boring
    Civil engineering
    cable
    cables
    Cables
    Pipelines
    cross section
    measuring

    ASJC Scopus subject areas

    • Geology
    • Geophysics
    • Geotechnical Engineering and Engineering Geology
    • Civil and Structural Engineering
    • Mechanical Engineering
    • Building and Construction

    Cite this

    Horichi, N., Oku, Y., Ono, I., & Koizumi, A. (2011). Measuring the influence to existing utilities of nearby trenchless operations. In 29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011 (pp. 409-418)

    Measuring the influence to existing utilities of nearby trenchless operations. / Horichi, Noriyuki; Oku, Youji; Ono, Isamu; Koizumi, Atush.

    29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011. 2011. p. 409-418.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Horichi, N, Oku, Y, Ono, I & Koizumi, A 2011, Measuring the influence to existing utilities of nearby trenchless operations. in 29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011. pp. 409-418, 29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011, Berlin, Germany, 11/5/2.
    Horichi N, Oku Y, Ono I, Koizumi A. Measuring the influence to existing utilities of nearby trenchless operations. In 29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011. 2011. p. 409-418
    Horichi, Noriyuki ; Oku, Youji ; Ono, Isamu ; Koizumi, Atush. / Measuring the influence to existing utilities of nearby trenchless operations. 29th International No-Dig Conference and Exhibition 2011, NO-DIG BERLIN 2011. 2011. pp. 409-418
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