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香港第一个TBM工程,在香港岛地下开挖5.5km长,外径4.8 m的电缆隧道,现已开始。掘进机为Robbin硬岩TBM152—261,和135 m长的辅助列车,现已在工作面定位,勘探钻进已在
The first TBM project in Hong Kong has started to excavate a 5.5 km long, 4.8-m-diameter cable tunnel underground in Hong Kong Island. The TBM 152-261 TBM TBM 152-261 boring machines, as well as the 135 m long auxiliary train, are now positioned on the work surface and exploration drilling is already at