The Third International Conference on Tunnel Boring Machines in Difficult Grounds (TBM DiGs 2017) will be hosted in Wuhan, China. Prospective authors are invited to submit abstracts on various topics within the conference scheme. Abstracts should be about 300-500 words long, with a title, authors' names and affiliations, and email addresses, and be submitted at the conference website before 1 December 2016. The official language of the conference is English.

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