Singapore: Road collapse was caused by a TBM undergoing maintenance
...ch in turn was caused by a TBM undergoing maintenance, according to the Buildi...any Nishimatsu's TBM was excavating a tunnel for Deep Tunnel Sewerage System (DTSS) Phase 2....er-road-sinkhole-tunnelling-machine-under-maintenance-when-ground-destabilisedOperational And Maintenance Features Of The Sv. Tri Kralja Tunnel in Croatia
Paper in English. It is useful in general for tunnel operations work. In English and full text open without paying. Operational And Maintenance Features Of The Sv. Tri Kralja Tunnel Zvonimir Deković Boris Cviljak Igor Pili https://hrcak.srce.hr/en/112293Aerial LiDAR survey begins for Mumbai-Ahmedabad bullet train project
Important step for the project with 87.5 km of viaducts and bridges, 25 crossing bridges, a tunnel, 97.50 km of roads, one station, a maintenance depot, 4 sub-maintenance depots. https://www.knocksense.com/mumbai/aerial-lidar-survey-begins-for--mumbai-ahmedabad-bullet-train-project
cover tunnel photo by: Matt Brown from London, England / CC BY
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