Reply on topic: ITA Tunnelling Awards 2019 - Here are the finalists and the WINNERS!
...site says The 17-strong expert judging panel, chaired by the ITA President Jinxiu (Jenny) Yan, has concluded its deliberation and based on the detailed evaluation, 32 entries have b...Reply on topic: Kolkata Tunnel causing houses collapse: Water leak returns after early success,
As i knew that TBM at that time was under sandy strata with water bearing table, tailskin brushes got damaged but TBM was advancing, water and grout was ingress into tunnel through brushes, annular gap could not filled.Reply on topic: Here are the 3 Engineering options to solve the Kolkata Metro East-West line mess
...best option against a problem is not having it at the first place. I mean, to take measures to prevent it from happening. While studying I stumbled upon two more fine documents...Reply on topic: Kolkata metro fiasco: Data from TBM black box key to find operational lapses
I read it is a second hand Herrenknecht S625, Maybe they altered or disabled some computer code when they renovated it.
cover tunnel photo by: Matt Brown from London, England / CC BY
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