Search Results: 'ITA'

Under pressure
29 December, 2021
Dr Donald Lamont and Roy Slocombe gave the British Tunnelling Society lecture in October on low, intermediate and high-pressure compressed air work, highlighting the launch of revised BTS CAWG guidance. Report by Dr Donald Lamont and Roy Slocombe

Underground in Moscow
29 November, 2021
Moscow is constructing new metro lines at a rapid pace to better accommodate the city’s seven million passengers daily who use it. Julian Champkin spoke with Anna Merkulova, engineer and CEO of the Mosproekt-3 group of companies about the expansion programme

Asset management: Not somebody else’s problem
29 November, 2021
Martin Knights FREng and former ITA President discusses the importance of the intelligent care of ageing assets and gives details of a new initiative tasked with producing guidance on the management of tunnels

NATM through challenging fault zones
07 September, 2021
Ryo Kashiwagi of Japan Railway Construction, Transport and Technology Agency (JRTT) discusses the challenges from tunnelling the double-track Shinkansen railway which is close to an existing highway tunnel in an extremely soft fault crush zone

Spraying for success
12 August, 2021
Dr Alun Thomas of All2plan Consulting outlines some of the rudiments of sprayed concrete and gives a few tips that could prove useful to young engineers – and maybe to those not so young

Testing time for FRS permanent sprayed concrete linings
12 August, 2021
Benoit de Rivaz of Bekaert outlines a few test methods used to evaluate the behaviour of fibre-reinforced shotcrete for permanent sprayed concrete linings and how their results can optimise design and construction processes

Band of brothers or distant cousins?
30 April, 2021
Martin Knights FREng, former ITA President, compares the functions and fortunes over the past 50-odd years of the British Tunnelling Society and the International Tunnelling Association

AI and Machine Learning
30 April, 2021
Best use of artificial intelligence in tunnels will need data strategies plus experienced oversight, writes Patrick Reynolds

Review of ITA working group 12 PSCL linings
24 March, 2021
Martin Knights, Independent Consulting Engineer, former ITA President and Chair of London Bridge Associates reviews the new ITA Working Group 12: Permanent Sprayed Concrete Linings guidelines

Tales of tunnelling
23 March, 2021
The British Tunnelling Society was inaugurated exactly 50 years ago. Julian Champkin talked to its members about the society and its immense contribution to tunnelling