List of products by author: J. W. Yoon

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  Tunnelling in Mixed Ground Condition - A Challenge to Design and Construction

  Abstract: In one of the civil contracts of Downtown Line 2 in Singapore, the construction of twin bored tunnels was conducted using Slurry TBMs. The TBM drives faced challenges involving high abrasivity and high permeability of the Bukit Timah Granite Formation. Due to its variability of weathering properties, such geological formation often leads to frequent cutter-head interventions and other...

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