| CONTENTS


22


9


Fire test for fibre optic temperature and heat measurement system in a German road tunnel Yokogawa/Carsten Schwarma


Comment 3 9


18 28 32


REGULARS 6 News


11 20 30 42


46 Events


11 15 18 20 22 28


30


32 42


BTS


James Clark Medal T&T Andy Alder awarded BTS James Clark Medal 2023.


Technical:


Safety/fire Smoke control


Ingo Riess, Riess Ingenieur Development of extraction systems to minimise smoke propagation.


Modelling ventilation Florian Michelin, Howden Designing in fire safety with ventilation simulation.


Drives in tunnels Josh Paikada, ABB Benefits of variable speed drives in ventilation control.


Spalling risk reduction Jeroen Smet, Adfil R&D shows narrower PP fibres help concrete spalling performance.


Sensors for temperature Thomas Schmidt German road tunnel tested with Yokogawa fibre optic system.


Water-mist for fires Mario Flores, Fogmaker Design approaches on fire safety for underground equipment.


Project


Silvertown spotlight T&T Visual highlights from the TBM project in London earlier this year.


BTS Harding Prize


Preview


Nordic Grouting 2023 T&T Stockholm holds Symposium and training in late September.


Competition AI to forecast tunnelling Jake Rankin, data scientist, Murphy Artificial Intelligence for forecasting tunnelling progress.


August 2023 | 5


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