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    OUR MISSION IS BEING WITH YOU TILL BREAK THROUGH
    23 January, 2021 / 0 Comments Broke through at Chennai Metro Project by Robbins EPBM

    A 6.65m diameter Robbins EPBM broke through at Chennai Metro, making this the third bored project tunnel in India. The EPB was refurbished, the inner seal greasing system was changed from auto to manual mode and the foam nozzle system was modified. These changes optimized the machine for excavation in the highly variable mixed face conditions. When the TBM came out of the launching shaft, a few rings were erected and then the machine had to cross a live railway track, which meant there would be a possibility of ground settlement. This latest tunnel connects multiple stations along the metro line. The Chennai Metro Project will provide much needed transportation to a rapidly developing city.

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