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  Date 2021
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Refine Search Content Type Blogs (14) Features (95) News (273) Recruitment (1) Suppliers (238)

In search of sustainable fire safety
30 December, 2021
Alden Spencer, Global Product Manager for ANSUL Vehicle Systems at Johnson Controls, explores the fire risks inherent in tunnel construction, the changing regulatory landscape surrounding the use of PFAS suppression agents, and how innovative, non-fluorinated solutions can help companies keep their operations safe, sustainable and profitable

Divik Bandopadhyaya Interview
30 December, 2021
Aged 27, Divik Bandopadhyaya has just completed a one-year stint as chair of BTSYM. He discusses his education, interests and career to date, offering along the way some advice to newly-qualified tunnel engineers. George Demetri reports

Squaring the circle
29 December, 2021
Lok Home, owner of Robbins, once sold his company to the Chinese then bought it back because he disliked what they were doing to it. He makes TBMs that cut the hardest of hard rock. Now he has made a TBM that breaks all the rules. Report by Julian Champkin

Closed form elastic and plastic analysis methods Part 1
29 December, 2021
In the first of two articles, Stephen Doran sets out the historical development of some common closed-form analytical methods and discusses the limitations of their use

No blanket solution
29 December, 2021
Variations in tunnels and inflows need different waterproofing solutions. Report by Patrick Reynolds

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

Bla Bla... And a brighter future
29 December, 2021
So, here we are at the end of another year. I guess I could drone on, Greta Thunberg style, about how difficult these 12 months have been for us all bla bla bla; the pandemic bla bla bla; the amazing T&T redesign bla bla bla. But I won’t.

Mitigating a water bearing fissure
29 December, 2021
Emily Riley won the British Geotechnical Association’s (BGA) annual Cooling Prize competition for young professionals with her paper ‘The engineering mitigation of a water bearing fissure in the Chalk at the Tideway Deptford Church Street shaft’. It is reproduced here by kind permission of the BGA

3D parametric structural design and documentation workflow
28 December, 2021
Jeff Fontana and Eric Westergren of McMillen Jacobs look back over the past 50 years and note that architecture, engineering and construction have gone through several advances in design development and documentation

An innovative tunnel and contracting model
28 December, 2021
VTA is extending the BART transit system into Silicon Valley under a two-phased program. Phase 2, currently in design and engineering, features an innovative single-bore tunnel configuration. Report by the VTA’s BART Silicon Valley Phase II Team

Harding prize gains momentum for 2022
28 December, 2021
Young tunnel engineers can raise their profile and make their work visible to the civil engineering community by entering the Harding Prize, named after the founder chairman of the Society, Sir Harold Harding

Old not obsolete
28 December, 2021
An interesting news story caught my attention this month concerning the fate of a 126-year-old freight tunnel in the US. Far from abandonment, disrepair or demolition, the Howard Street Tunnel (HST) in Baltimore is to get a new lease of life. And it’s a wonderful story.

Former tunnel tiger sets off on charity odyssey around Ireland
24 December, 2021
An 80-year-old former ‘tunnel tiger’ is driving around the coast of Ireland on a two-month charity mission which will see him swim at as many of the country’s piers as possible, despite icy, wintry seas.

Young tunnellers invited to enter new industry award
24 December, 2021
The British Tunnelling Society Young Members (BTSYM) is inviting entries for the very first Doug Allenby Memorial Medal, to be awarded at the BTSYM Conference in 2022.

Gushing water causes delays to China’s longest tunnel
21 December, 2021
Progress on what will become China’s longest tunnel – and the longest in the world – is being hampered by strong gushing water, despite being located in one of the driest regions on Earth, reported The South China Morning Post.

TBM delivery heralds HS2 London launch date
17 December, 2021
UK tunnelling activity is forging ahead following the recent delivery of two giant Herrenknecht EPB TBMs to HS2 main works civil contractor Skanska Costain Strabag JV in West London.

Components for largest-ever UK TBM arrive at Silvertown
16 December, 2021
Having passed factory acceptance tests on 2 December at the Herrenknecht works in Schwanau, Germany, parts of the giant TBM that will bore London’s Silvertown Tunnel have started to arrive in London.

Agreement will see US$432m to repair East River Tunnels
16 December, 2021
In a deal brokered by New York Senator Chuck Schumer (Democrat), MTA and rail provider Amtrak have reached a deal that will see urgently-needed repairs carried out on the crucial East River Tunnels connecting Manhattan with Long Island.

Lake Huron tunnel explosion workers remembered
14 December, 2021
A ceremony has taken place in Detroit, US to commemorate the 22 tunnel workers killed on December 11, 1971 when a gas explosion ripped through a water intake tunnel under construction beneath Lake Huron, Michigan.

Bechtel selected as delivery partner for Toronto rapid transit
14 December, 2021
Engineering and construction services provider Bechtel has been named as a delivery partner for the Metrolinx Ontario Line in Toronto – Canada’s largest-ever subway expansion programme and the first new subway project in 50 years.