Minimising noise and vibration on Crossrail with innovative heavyweight concrete, webinar

26 September, 2017 | 12:30 - 13:30

Delivering Crossrail
Delivering Crossrail

About this event

Crossrail is delivering the Elizabeth line which is due to open in central London from 2018. The new railway includes 42km of tunnels underneath the city.

In sensitive sections of the tunnel network, noise and vibration impacts from the operating railway had to be minimised. The solution was a high density floating track slab (FTS), produced using MagnaDense concrete with a density of 3.6 t/m3.

​The FTS has been used for sections of track between Tottenham Court Road and Bond Street stations, below the Barbican, to help reduce the impact of noise and vibration on above-ground infrastructure. Additionally, due to the gauge of the track, the volume available for concrete was limited. It was evident a space saving resolution was required.

This webinar will aim to answer the following questions:

  1. What were the design challenges and how did the project arrive at the solution?
  2. What challenges were encountered in the development of the concrete solution?
  3. How important was dense concrete to achieving the solution and why was MagnaDense chosen as the aggregate?
  4. What were the dense concrete installation challenges in such a populated area?

Camilla Barrow – Deputy Project Manager, Crossrail

Camilla Barrow, Bechtel Ltd Rail Systems Deputy Project Manager - Crossrail
Chris Peaston – Associate, Infrastructure, Arup
Jack Sindhu – Technical Manager, London Concrete
Denise Roberts – Regional Business Manager, LKAB Minerals

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Disclaimer: Any views or opinions expressed on any matters by the presenters or participants during or in connection with this presentation are solely the views of the authors of the respective comments and/or opinions and must not be taken to be the views of ICE or any other organisation. ICE makes no representations, warranties or assurances concerning any information provided in these presentations and accepts no responsibility for the content and/or accuracy.

Camilla Barrow, Bechtel Ltd Rail Systems Deputy Project Manager - Crossrail

Camilla has ten years of international construction and engineering experience on mega-infrastructure projects. She has held various key leadership roles within project management, construction, contracts and project controls. Recent projects include:
Crossrail, UK. Currently Camilla is the Deputy Project Manager responsible for the delivery of the system wide main works on Europe’s largest infrastructure project.
Silicon Valley Rail Transit Project, USA. Served as the Commercial Manager responsible for overseeing the delivery of the £1.3 million contract for an 11 miles rail extension in California.
Dulles Corridor Metrorail Project, USA. Served as the Lead Six Sigma Black Belt and Prime Contract Specialist for the £1.2 billion design-build contract for an 11.7-mile extension to the greater Washington, D.C. area’s Metrorail system.
Hamad International Airport, Qatar. Served in a number of construction and engineering delivery roles for the £2.2 billion passenger terminal complex contract (formerly known as New Doha International Airport).

Camilla graduated from the British Army Officer College and has a Masters Degree in Civil Engineering from Newcastle University. She is a passionate supporter of encouraging STEM subjects, driving multiple initiatives both inside and outside of work, this was most recently recognised in her placement on the 2017 Daily Telegraph Top 50 Women in Engineering.

Doctor Chris Peaston, Associate, Infrastructure, Arup

Chris is a civil engineer and concrete materials specialist working within Arup’s pavement engineering team. He provides materials input for a portfolio of civil and military projects where his expertise complements the Arup offering in industrial, highway, and heavy duty floors and pavements.
Before joining Arup, Chris spent seven years on the academic staff in the Civil Engineering Dept, University of Nottingham, successfully delivering externally funded research work and commercial testing activities centred on interests in fibre reinforced and sprayed concrete and their application in structures and pavements.
Chris has a particular interest in fibre concretes and their use as an alternative reinforcement in internal ground bearing and pile suspended slabs and external pavement. He has made significant contributions to Concrete Society reports in these areas and continues to be involved in industry initiatives to provide guidance on the application of fibre concretes.

Denise Roberts, Regional Business Manager, Magnetite

Denise joined LKAB Minerals 26 years ago and is responsible for managing the Magnetite business in the UK and Ireland. Denise has an MBA & background in concrete technology. She has extensive knowledge in the use of heavyweight aggregates and their properties along with their use in concrete and as a loose ballast.

Jack Sindhu, Technical Manager, London Concrete

Jack is the Technical Manager for London Concrete, a part of Aggregate Industries Ltd which is a subsidiary of Lafarge Holcim. Jack has been in the readymix industry since 1987 having worked for Pioneer Concrete Ltd, Rugby Cement and London Concrete for the past 16 years.
He has been involved with numerous prestigious contracts including the 2012 Olympics which included supply of concrete to the Olympic stadium, the Velodrome and the Aquatics Centre.
More recently Jack was involved in supplying concrete to The Shard, Europe’s tallest building, with 5600m3 of concrete supplied in around 36 hours. Jack also worked on Crossrail, co-ordinating supply of 4000m3 of heavyweight concrete pumped over almost 1km. This will be discussed in detail during this webinar.
Jack has been actively promoting the use of readymixed concrete and is involved with various prestigious contracts, involving the latest construction techniques and requiring bespoke and cutting edge technical solutions.

East Midlands, East of England, London, North East, North West, Northern Ireland, South East, South West, Scotland, Wales, West Midlands, Yorkshire & Humber,