| CONTENTS


Technical: 32


Part of Pressure Ring Launch System for TBM at Silvertown project, London. Runner-up paper in the BTS Harding Prize Competition 2023


Comment 3 10 REGULARS 6 News 36 Events


15 20


15 30 30 June 2023 | 5 10


Dewatering Dewatering for open face tunnels Dr Toby Roberts, WJ Group


How consideration of interfaces and boundary conditions inform models.


Looking back on problems David Hartwell


Stories from 50 years of construction challenges with groundwater.


Technical


Underpinning of a subway A. Gakis, T.Schwind, E. Feil, G Skalla, of Dr Sauer


Mined galleries were excavated to help underpin a subway in Toronto.


BIM in Tunnelling K. Zeidler, V. E. Gall, of Gall Zeidler


The past, present and future of Building Information Modelling.


BTS Harding Prize


Competition Pressure Ring Launch System at Silvertown Ricardo Manias Garcia, Riverlinx


Intricate, robust mechanical system developed for TBM shaft launches on Silvertown project, in London.


Project


TBMs for Taiwan metro T&T More TBM FATs for the Green Line in central Taoyuan.


Interview


Antonia Cornaro Julian Champkin, T&T staff writer Antonia Cornaro discusses the importance of developing underground space.


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