Search Results: 'Mott MacDonald'

You searched for Mott MacDonald

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.

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

TBM challenges on a demanding sea outfall
14 April, 2022
Gary Peach, project manager and consultant with Mott MacDonald (Doha, Qatar) discusses the challenges and management deployed to overcome and successfully complete what has been hailed as the Middle East’s longest storm and groundwater 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

Implementing parametric design
28 January, 2022
Benjamin Lafarga, 31 and a tunnel engineer with Mott MacDonald, UK, won the BTS Harding Prize 2021 with a paper entitled ‘Implementation of parametric design in the tunnelling industry’. It is reproduced here with the author’s permission

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

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

Delivering Selina
27 July, 2021
Shannon O’Keeffe, Senior Tunnel Agent for Costain Engineering looks at the complex logistics that were initiated to ensure the successful delivery of a TBM to a Thameside site for the boring of Tideway (Eastern Section)

Crossing the roads
18 June, 2021
The Hampton Roads Bridge-Tunnel expansion scheme will bring new life to the most congested route in Virginia. Julian Champkin reports

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

Up the junction, round the bend
23 October, 2020
While pushing a preformed portal box through an excavation has been done before, a Network Rail project demands that it be done on a curve – and that hugely increases the complexity. Julian Champkin reports

Connecting HS2 at Euston
22 September, 2020
Work on the UK’s new HS2 high-speed rail line is on track. Emma Hale and Christoph Eberle of Mott MacDonald describe one of the line’s first underground structures to be built in London

Guidance on writing a GBR
25 August, 2020
New guidelines being drawn up by CIRIA aim to show how geotechnical baseline reports can help manage geological and geotechnical risk, and reduce costs. George Demetri explains

Fire performance of concrete tunnel linings
25 August, 2020
Fire testing of concrete tunnel linings and the effects of explosive spalling were the subject of the British Tunnelling Society talk in March. Rosa Diez of Mott MacDonald reports

Hammersmith connection Tunnel
27 March, 2020
The September BTS meeting saw a presentation on the Thames Tideway project’s Hammersmith Connection Tunnel. The talk was presented by Peter Coppenhall of Morgan Sindall, working as the designer’s representative in Thames Tideway West, and Ed Batty of BAM Nuttall, currently working as a Tunnel Manager in the Frogmore Connection Tunnel. This report was prepared for Tunnels and Tunnelling by Rosa Diez, project director for Mott MacDonald

Under the Swan River
27 March, 2020
Alex Conacher travels to the Forrestfield-Airport Link in Perth, Western Australia to speak with Salini Impregilo, NRW project director Richard Graham and tunnel construction manager Carlos Zapico

Chelsea to Battersea tunnel surface settlements
16 August, 2019
Monitoring of ground surface movements induced by the construction of the Chelsea to Battersea Pipeline Tunnel project is presented as part of this case study. The surface settlements induced by the shaft construction have been analysed and compared with current methodologies and information from recent projects. Movements from excavation and construction of the tunnel are also analysed, and back-analysis of volume losses is presented. The authors are Veriuska Ortiz Lovera, geotechnical engineer, Mott MacDonald; Andrew Hejdner, project manager, Cadent Gas; James McCaffrey, construction manager, Skanska UK Construction; and Mohammad Arasteh, senior tunnel engineer, Mott MacDonald

A digital twin
08 July, 2019
Digitalisation offers a variety of new possibilities. One of them is the modelling of infrastructure with Building Information Modelling (BIM). Digital technology is a core element for the simplification of processes and for automation. This also applies to already-built infrastructure, as the RetroBIM project launched by Amberg demonstrates. Pedro Luis Iserte Llacer, head of BIM at Amberg and Roger Schaad, marketing specialist at Amberg discuss the project

Deepest and Longest
07 May, 2019
Yves Boissonnas, head of tunnelling at Sika Europe Management, the guest speaker at the January BTS lecture, provided a presentation on the Gotthard Base Tunnel

Steering the ship
21 September, 2018
Alex Conacher speaks with Mark Leggett of Mott MacDonald as he takes the immediate past chair position at the British Tunnelling Society and looks back on his two years at the helm