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Modelling Soil Structural Interaction during Tunnel Excavation

1 Day Awareness Seminar - Thursday, 23rd February

This seminar will focus on numerical modelling of the complex interaction between soil and structure during tunnel excavation. This is a major talking point currently, with over 26 miles of tunnels being built under the UK’s capital city as part of Crossrail and numerous London Underground Station Upgrade projects. Ensuring that the tunnels are correctly designed is essential to ensure the safety of those involved in the tunnelling operation as well as ensuring that life above ground carries on without interruption.

The event will focus on modelling of the soil-structure interaction behaviour in tunnel construction, with an emphasis on sprayed concrete lining. This seminar will provide guidance on the following topics.

  1. Time dependent nature of sprayed concrete material properties
  2. Variability in material properties
  3. How to reduce unnecessary conservatism when designing a sprayed concrete tunnel lining
  4. How to ensure your design is code compliant. 

Other modelling issues associated with tunnel construction such as compensation grouting and building damage will also be discussed and there will be presentations from leading experts from Mott MacDonald, UnPS, Keller Holding GmbH, Oxford University, etc.


We are also pleased to have Professor Helmut F. Schweiger from Graz University of Technology giving a keynote presentation.

Dr Andrew Mar from UnPS, author of the upcoming NAFEMS publication entitled ‘Modelling Sprayed Concrete Lined Tunnelling’ will also be presenting on his book, with a discount available on purchase of the publication exclusively to those who attend.

In addition to addressing the issues relating to modelling tunnel excavation, a number of case studies will be presented during the seminar. The day will be concluded with a panel discussion chaired by Professor David Potts on the different methods of representing sprayed concrete that are currently used in industry.

Who should attend?

We hope to see the seminar attract interest from tunnelling and geotechnical engineers, designers, FE/FD modellers, project managers and constructors who want to learn more about the latest developments in modelling the tunnel excavation process. 

The event is open to both members and non-members of NAFEMS.

Members of BTS can attend this seminar at the discounted members registration fee of just £50 plus VAT. 

If you wish to register for this event, please provide your BTS membership number and invoice details, to jo.davenport@nafems.org.


Agenda

09:00        Registration

10:00        Chairman's Introduction & Welcome
                  Yu Sheng Hsu, Mott MacDonald

                  Consequences of Nonlinear Modelling of Shotcrete for the Design of
                  Linings
                  Helmut Schweiger, Graz University of Technology

10:45        Refreshment break

                  SCL Tunnel Design in the Real World
                  Colin Eddie, UnPS Limited

                  Strength Utilisationin SCL Linings at Early Age
                  Chris Pound, Mott MacDonald

                  Practical Assessment of Sprayed Concrete Lining Works using FEA
                  Andrew Mar, UnPS Limited

12:20        Lunch break

13:20        Soilfrac Compensation Grouting for Tunnels with SCL - Practical
                  Experience from Two Case Studies
                  Clemens Kummerer,  Keller Holding GmbH

                  Finite Element Modelling of Building/Soil Interaction for the Assessment
                  of Settlement Damage due to Tunnelling
                  Harvey Burd, Oxford University

                  Soil Structure Implications of Modelling Tunnels in Weak and Soft Rocks
                  Ian Turner, Atkins

14:35        Refreshment break

                  Use of (2D) FE Assessments for 3DFE Simulations in SCL Tunnelling
                  Krishna Neaupane &  Shanil Modeshia, Aecom

                  Structural Analysis and Impact Assessments for the Vauxhall Station
                  Upgrade
                  Anthony Bauer, Gall Zeidler

15:45       General Discussion & Closing Remarks
                 Chaired by David Potts, Imperial College

16:30       Close


Venue

Scarman
Warwick Conferences
The University of Warwick
Gibbet Hill Road
Coventry
CV4 7AL
Tel: 024 7652 3222
Web: http://www.warwickconferences.com/venues/scarman 
Campus Map

Scarman is located at the University of Warwick on the outskirts of Coventry and is easily accessible by road, rail and air.


Purchasing Details

Members Price
£50 | $63 | €60


Non-Members Price
£150 | $188 | €178
Order Ref: UKGEO17
Event Type: Seminar
Location: Coventry UK
Date: February 23, 2017


Co-Organised by


The BTS is an Associated Society of the Institution of Civil Engineers (ICE)
Formed in 1971 to provide a forum for meetings and discussion on tunnel-related matters, the BTS also publishes industry guidelines and codes of practice;conducts training courses to advance the education of tunnelling professionals;actively supports the recruitment of young people to the industry; acknowledges excellence in tunnelling; sponsors and supports industry conferences; and advises Government and the general public on the tunnelling industry.

The British Tunnelling Society maintains a leading role in the development of the tunnelling industry to promote the safe, efficient, sustainable, and technically advanced design, construction and use of underground space.

 The BTS calls on a long tradition of tunnelling in Britain to continue industry-wide development of this vital field of civil engineering. The society was a key player in the founding of the International Tunnelling Association (ITA) in 1974 and represents the UK on its General Assembly.

Individual and corporate members are working on underground projects of all types andpurpose throughout the world.

The BTS supports a Young Members branch, who are active in schools and universities in promoting tunnelling as a career.


Exhibitors






There is an opportunity available for your company to exhibit at the seminar, giving you maximum exposure to a highly targeted audience of delegates, who are all directly involved in simulation, analysis, and design.

Please contact Jo Davenport at NAFEMS if you would like more information.

tel: +44 (0)1355 225688
email: jo.davenport@nafems.org


Cancellation Policy

Please note NAFEMS cancellation policy for all UK events is as follows:-

  • Cancellation up to 6 weeks before the event date: free of charge;

  • Cancellation up to 1 week before the event date: 75% of registration fee non-refundable;

  • Cancellation up to 1 week before the event date: all seminar credits non-refundable;

  • No show at the event: 100% of registration fee non-refundable;

NAFEMS will discuss the possibility of transferring to an alternative event, however an administration charge will be applicable.

This policy is subject to change.