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London Underground
  Date 2022
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Design and construction of a cavern in downtown LA
31 October, 2022
Christoph Eberle reports on the BTS March evening meeting where Carlos Herranz, Tunnel Design Manager at Mott MacDonald, discussed the design and construction by sequential excavation of LA Metro’s largest underground cavern.

King to deliver Harding Memorial Lecture
26 October, 2022
This year’s British Tunnelling Society Harding Memorial Lecture 2022 will be given by Mike King from MK Tunnelling Ltd.

bauma awards recognise construction innovation
25 October, 2022
The winners of the bauma Innovation Award 2022 were announced at the start of the trade fair in Munich this week.

Sustainability key theme for BTS Conference 2022
10 October, 2022
Sustainability will be a key theme at this year’s BTS Conference in London on October 11-12.

ITA president to give keynote at BTS Conference
27 September, 2022
Newly-elected ITA president Arnold Dix will be a keynote speaker at the BTS Conference and Exhibition in London on October 11-12.

Joseph Gallagher Interview
26 September, 2022
Joseph Gallagher, known to one and all as Josie, began as a one-man band back in 1982 and is now chair of the UK’s biggest tunnelling company, the Joseph Gallagher Group. Julian Champkin interviewed him.

Flat or domed? Selection of shaft base slab geometry
26 September, 2022
Si Shen, head of tunnelling and geotechnics for TYPSA in the UK and Ireland, and in the BTSYM lecture in April put a focus on choice of base slab geometry in shafts

Kate Cooksey Interview
30 August, 2022
Kate Cooksey has completed one of the most unusual and challenges periods for any chair of the BTS. With much success achieved despite the trying times, she talks about the journey with Julian Champkin

Steps forward in SCL sustainable tunnels
30 August, 2022
Ross Dimmock, vice president for tunnelling at Normet, gave an online talk for the BTS lecture in January to discuss the advancing performance of sprayed concrete lining (SCL) technology in underground construction, including progress to support sustainability

hyperTunnel to debut at the World Tunnelling Congress
04 August, 2022
hyperTunnel will exhibit for the first time at the World Tunnelling Congress (WTC) in Copenhagen next month.

Veronika Petschen – Interview
03 August, 2022
SCAUT, the Swiss Centre of Applied Underground Technology, is pioneering new methods and uses for underground spaces. Veronika Petschen is its newly-appointed managing director. She spoke to Julian Champkin to explain her vision for SCAUT and for future uses of the ground beneath our feet

Research to reduce carbon in SCL
03 August, 2022
Research recently complete on low carbon sprayed concrete (LCSC), including work for HS2,is summarised by participants Chris Peaston of Peaston Concrete Consultancy, Chris Goodier, Sergio Cavalaro and Zhi Hu of Loughborough University, Michael Sataya of Arup, Stuart Manning of Shotcrete Services, and John Reddy of Ecocem

Sightline on sustainability
03 August, 2022
Alun Thomas, of All2plan Consulting, looks at ways sustainability could be achieved in tunnelling through innovation, such as permanent sprayed concrete linings (PSCL) and composite shell linings (CSL)

Going green at high-speed
03 August, 2022
Concrete use on UK’s HS2 rail project is speeding advances in construction sustainability. Report by Patrick Reynolds

MDjv completes HS2 box and tunnel
29 July, 2022
HS2 station contractor Mace Dragados JV (MDjv) has excavated a 20m-deep box and a tunnel for the new Euston station.

Strategies for dewatering
24 June, 2022
Dr Toby Roberts of WJ Group outlines the various dewatering strategies that are possible for cross passages, connection tunnels, caverns and adits

A new approach to tunneling
24 June, 2022
The complexity, cost and risk of tunnelling can be reduced by introducing radical new methods, writes Patrick Lane-Nott, Director of Engineering at hyperTunnel

London power project completes first drive
24 June, 2022
National Grid’s London Power Tunnels (LPT) project completed the first of five drives this week.

Structures to intercept pile loads
23 May, 2022
Cate Anthony was runner up in the BTS Harding Prize 2021 with her paper ‘The Design and Construction of Pile Interception Load Transfer Structures at 6-8 Princes Street for Bank Station Capacity Upgrade’

TfL starts market engagement for Elephant & Castle upgrade tunnelling
09 May, 2022
Transport for London (TfL) has started the tender process for tunnelling works on the Elephant & Castle station upgrade with a pre-procurement market engagement event on May 27.