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APPLICATION OF CENTRIFUGE MODELLING TO THE DESIGN OF TUNNELS AND EXCAVATIONS IN SOFT CLAY

Robert James Mair, Robert Phillips, A. N. Schofield, R. N. J. Taylor

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Abstract

The geotechnical centrifuge provides the opportunity for constructing small-scale model tunnels and excavations and observing their deformation and collapse in safety. Over the past decade there has been a major research program at Cambridge into the behavior of tunnels, shafts and trench excavations in soft clay, and centrifugal modelling has played a key role in the research work. This paper briefly describes the test series undertaken and summarizes those results of direct relevance to design. Full details may be found elsewhere, principally in the various M. Phil or PhD theses associated with the research work (Mair, 1979; Kusakabe, 1982; Phillips, 1982, 1984; Tayloer 1979, 1984). Details of the Cambridge Geotechnical Centrifuge facility are fully described by Schofield (1980).

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What this paper is about

The geotechnical centrifuge provides the opportunity for constructing small-scale model tunnels and excavations and observing their deformation and collapse in safety. Over the past decade there has been a major research program at Cambridge into the behavior of tunnels, shafts and trench excavations in soft clay, and centrifugal modelling has played a key role in the research work. This paper briefly describes the test series undertaken and summarizes those results of direct relevance to design. Full details may be found elsewhere, principally in the various M. Phil or PhD theses associated with the research work (Mair, 1979; Kusakabe, 1982; Phillips, 1982, 1984; Tayloer 1979, 1984). Details of the Cambridge Geotechnical Centrifuge facility are fully described by Schofield (1980).

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Available abstract

The geotechnical centrifuge provides the opportunity for constructing small-scale model tunnels and excavations and observing their deformation and collapse in safety. Over the past decade there has been a major research program at Cambridge into the behavior of tunnels, shafts and trench excavations in soft clay, and centrifugal modelling has played a key role in the research work. This paper briefly describes the test series undertaken and summarizes those results of direct relevance to design. Full details may be found elsewhere, principally in the various M. Phil or PhD theses associated with the research work (Mair, 1979; Kusakabe, 1982; Phillips, 1982, 1984; Tayloer 1979, 1984). Details of the Cambridge Geotechnical Centrifuge facility are fully described by Schofield (1980).

Key concepts: Centrifuge, Excavation, Geotechnical engineering, Engineering, Work (physics), Trench, Civil engineering, Geology

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APPLICATION OF CENTRIFUGE MODELLING TO THE DESIGN OF TUNNELS AND EXCAVATIONS IN SOFT CLAY — Research Paper | ScholarLens