Concept of the DPLEX shield method and applicability of the method to large-diameter shields for long-distance excavation

doi:10.1201/9781003077534-55

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Concept of the DPLEX shield method and applicability of the method to large-diameter shields for long-distance excavation

ABSTRACT

This paper describes the principle and features of the DPLEX shield method that is an improved version of the EPB shield method invented in Japan. By using the DPLEX shield method, it is possible to excavate tunnels of virtually any cross-section shape. This paper also describes the concept of the DPLEX shield method and the results of application of the method in a number of tunnel construction projects.