List of products by author: Ehsan Nasiri

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  Case Studies of TBM Launch and Relaunch Application of FE modelling

  Abstract: Proper TBM launch has a vital role in successful completion of tunnelling projects. This paper reviews common design and construction considerations in different launch and relaunch cases based on experience in two urban tunnelling projects. First case study presents launching of an 1800 mm ID microtunnelling TBM in ground consisting of boulders and cobbles. Boulders caused deviation of the...

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