Tunnel boring machine - Wikipedia
Side view of the Tunnel Boring Machine Minimize Impacts to the Environment The excavation of the main drainage tunnel and most of the construction works for the intakes will be carried out underground by using Tunnel Boring Machines and Raise Boring Machines respectively.
Hong Kong West Drainage Tunnel - dsd.gov.hk
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Loading of a disk cutter on tunnel boring machines (TBM) is usually estimated from global machine thrust. In order to be able to measure cutting forces of an individual disk cutter, a new measurement method was developed and published in a previous paper ( Entacher et al., 2012 ).
Cutter force measurement on tunnel boring machines ...
The working assembly of the tunnel boring machine comprises cutter wheel means, thrust arm means, and drive motor means. The thrust arm means is mounted in coaxial alignment with the main body means which also serves as the machine longitudinal thrust cylinder.
EP0115942A2 - Tunnel boring machine - Google Patents
A similar tunnel boring machine employed for the forming of a cable tunnel for the Hong Kong Electric on the Hong Kong Island side. Observe the hydraulic jack systems behind the cutter head that enable the machine to stabilize itself, pushing forward, or even slight adjustment of its heading direction.
Photo Illustration to support the teaching of the topic on ...
Abstract: The center cutter of a hard rock tunnel boring machine (TBM) is installed on the cutterhead at a small radius and thus bears complex side force. Given this fact, the formation mechanism and change law of the side force suffered by the center cutter were studied.
Side force formation mechanism and change law of TBM ...
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