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Malaysia “Breakthrough of the Longest Microtunneling Diameter Nominal 1800 Multi Curvature Sewerage Pipeline in Full Rock”

    Yi  Wei
    By Yi Wei Replies (1)

    Special cutterhead for the tunnel boring machine (TBM) by Herrenknecht bored full-face granite with hardness over 120MPa with an S-curve alignment through a fixed coordinate.

    https://themalaysianreserve.com/2021/04/14/mmc-plsb-sets-another-achievement-in-malaysia-book-of-records/

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