Latest from Tunnels and Tunnelling
Beneath Oslo and the deep fjords
Dr Benoît Jones reports on the British Tunnelling Society’s evening meeting which discussed the technical challenges posed by future tunnels in Norway
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Testing time for tunnel sprinklers
Haukur Ingason, Ying Zhen Li and Magnus Arvidson of Sweden-based RISE Research Institute, and Ulf Lundström, Swedish Transport Administration discuss new tests on the use of automatic sprinklers in road tunnels.
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Trans Euro Express
The Magistrale is a 1,500km high-speed rail project that will link France, Germany, Austria, Slovakia and Hungary. Julian Champkin reports on the tunnelling through Germany’s Swabian Alps.
Read moreLATEST NEWS
500 jobs to go at Aecom
In a sweeping restructuring of its business, infrastructure services provider Aecom is to make up to 500 employees redundant in the UK and Ireland. All areas of the business, including engineer roles are likely to be affected, with the process starting in October and continuing through to January 2021.
In a sweeping restructuring of its business, infrastructure services provider Aecom is to make up to 500 employees redundant in the UK and Ireland. All areas of the business, including engineer roles are likely to be affected, with the process starting in October and continuing through to January 2021.
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Tunnels facilitate first UK curved jacked-box structure
On 1 August 2020, UK-based Morgan Sindall broke through on the second of two tunnels on Network Rail's Werrington Grade Separation project. Advancing around 7m/day, a Lovat RM132 3.5m-diameter EBP machine has excavated two guide tunnels that form part of an ambitious civil engineering project that will see installation of the UK’s first-ever curved jacked-box structure.
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United Utilities TBM progressing under M65
UK water services provider United Utilities has started boring a new wastewater pipeline beneath the M65 motorway at Darwen in Lancashire, northern England. The project forms part of the £150m Blackburn and Darwen wastewater upgrade scheme.
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Private partner sought for new Sydney Harbour tunnel
The government of New South Wales (NSW), Australia is seeking a partner from the private sector to help deliver the Western Harbour Tunnel. Construction of the 6.5km twin-bore immersed tube scheme is expected to start after 2022. When completed, it will be the second road tunnel under Sydney Harbour.
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ITA requests WTC2020 refund increase
Following the pledge made by the Institute of Engineers Malaysia (IEM) to refund 70% of monies received from registrants for the now cancelled WTC2020 conference, the ITA is now urging the IEM to reconsider and increase the level of refund.
LATEST FEATURES
Construction claims and dispute resolution
Every time the conditions of a construction project change – whether new ideas develop for implementation, or some unanticipated circumstances occur – the project’s cost and schedule will be affected. These changes and their cause could be interpreted by different stakeholders in various ways. So, there could be conflicts, disagreements and disputes on what portion of the cost and project schedule the contractor needs to be compensated for.
Every time the conditions of a construction project change – whether new ideas develop for implementation, or some unanticipated circumstances occur – the project’s cost and schedule will be affected. These changes and their cause could be interpreted by different stakeholders in various ways. So, there could be conflicts, disagreements and disputes on what portion of the cost and project schedule the contractor needs to be compensated for.
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Trans Euro Express
The Magistrale is a 1,500km high-speed rail project that will link France, Germany, Austria, Slovakia and Hungary. Julian Champkin reports on the tunnelling through Germany’s Swabian Alps.
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Testing time for tunnel sprinklers
Haukur Ingason, Ying Zhen Li and Magnus Arvidson of Sweden-based RISE Research Institute, and Ulf Lundström, Swedish Transport Administration discuss new tests on the use of automatic sprinklers in road tunnels.
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Beneath Oslo and the deep fjords
Dr Benoît Jones reports on the British Tunnelling Society’s evening meeting which discussed the technical challenges posed by future tunnels in Norway
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A good dose of fibre
Steel fibre-reinforced concrete and its historic use in metro tunnels was the subject of discussion at a seminar hosted by steel-fibre maker Bekaert. Paola De Pascali reports
