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Assembly work on HS2 green tunnel to restart next week
13 September, 2022
HS2 intends to restart assembly of the pre-cast concrete ‘green tunnel’ in Northamptonshire next week.
“Quality issues” found in HS2 green tunnel segments
18 August, 2022
Pre-cast segments forming HS2’s first ‘green tunnel’ are being tested after quality issues were identified in “a few segments”.
Low carbon for Silvertown
03 August, 2022
Silvertown road tunnel in London will use mostly fibre-reinforced concrete with GGBS for segmental lining, reports Patrick Reynolds
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
Harding prize yields another worthy winner
24 June, 2022
Chris Barrett, a young civil engineer working with BAM Nuttall on Tideway’s Western Section C405 has won the British Tunnelling Society’s Harding Prize 2022 for his paper ‘The Planning and Construction of Main Line Tunnel B Connection Tunnel’ It is reproduced below by kind permission of the author
Silvertown TBM final assembly begins
21 June, 2022
The first elements of the TBM for London’s new Silvertown Tunnel have been lowered into the launch chamber, marking the start of final assembly.
HS2’s first prefabricated tunnel takes shape
10 June, 2022
Construction has started on HS2’s first ‘green tunnel’, designed to reduce the amount of embedded carbon in the structure.
Tenders received for new UK hydro project
06 June, 2022
Plans for Scotland’s Coire Glas hydro pumped storage scheme have moved closer with the receipt of tenders for the project’s main construction works.
Silvertown Tunnel eye lifted into position
01 June, 2022
Tunnelling on Transport for London’s Silvertown Tunnel has moved a step closer with the tunnel eye being placed in position.
WINNER OF BTS HARDING PRIZE 2022 ANNOUNCED
11 May, 2022
Chris Barrett, a 32-year-old civil engineer working with BAM Nuttall in London, has won the British Tunnelling Society’s Harding Prize 2022. The announcement was made at the BTS Annual Dinner on 6 May where Barrett received his award.
Lower Thames Crossing bidders start dialogue
27 April, 2022
National Highways has invited the three shortlisted bidders for the £2.3bn Lower Thames Crossing tunnelling contract to participate in “dialogue” on how to deliver the scheme.
HS2 unveils noise-cancelling Chiltern Tunnel north portal design
24 March, 2022
HS2 has revealed the designs for the north portal of the Chiltern Tunnel, which will cut noise from trains entering and exiting the tunnel.
Tunneller, lawyer and inventor
17 March, 2022
John Bartlett was a founder member/chairman of the British Tunnelling Society. He invented the bentonite tunnelling machine, designed the UK stretch of the Channel Tunnel and provided critical input into many other projects. Julian Champkin offers this appreciation of his life
Lower Thames Crossing to be "greenest road ever built in the UK"
25 February, 2022
The Lower Thames Crossing has been designated a ‘pathfinder’ project to explore carbon neutral construction as part of National Highways’ efforts to make the new crossing the greenest road ever built in the UK.
Ivor Thomas Interview
21 February, 2022
Past BTS Chair Ivor Thomas has spent a lifetime in civil engineering construction. He spoke to Julian Champkin about the past and future of tunnelling, the need to enthuse the public – and the exciting challenges that the new generation of tunnellers will face
TGV-style off-site techniques inspire HS2 tunnel designs
07 January, 2022
HS2 will use lessons learnt from the construction of French high-speed lines (‘TGV’) to build around 7km of tunnels using an off-site modular approach.
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.
Tunnelling the Thames
29 October, 2021
Sagar Sheth, Principal Tunnelling Engineer, and Richard Miller, Head of Tunnelling, both of Ramboll UK, describe the design checks and assurance services, risk and stakeholder management they provided during the construction of Tideway
29 October, 2021
Digital technology promises multiple benefits and is making huge inroads in many sectors but its take-up in tunnelling and other infrastructure projects is still at relatively early stages. Report by Patrick Reynolds
Five firms invited to tender for LTC road contracts
27 September, 2021
National Highways – formerly Highways England – has announced a shortlist of five construction and engineering companies to design and build the roads leading to the proposed Lower Thames Crossing (LTC).