Here are the 3 Engineering options to solve the Kolkata Metro East-West line mess
Telegraph India report that engineers from 3 countries tackle the problem in Kolkata's East-West tunnel boring. During the boring, Tunnel Boring Machine was overwhelmed by water after hitting a aquifer and then followed by subsidence of earth which in turn caused the most problem of...Tags: kolkata tunnel boring machine
cover tunnel photo by: Matt Brown from London, England / CC BY
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