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Animator: Chung Sik Yoo (South Korea)
Vice-Animator: Elena Chiriotti (France)
Tutor: Eric Leca (France)
Report presented by Chungsik Yoo
 

Two meetings held in Iguassu on May 11 and 12, 2014

19 participants from 11 countries:
Austria (1), Belgium (1), Brazil (1), Colombia (1), Korea (1), Spain (1), France (3), Germany (1), Italy (4), sweden (1), and USA (4)
 

Agenda

Review of on-going activities:
  • Site Investigations
  • Risk Management
  • Fiber Reinforced Tunnel Linings

Identification of Future Items

SITE INVESTIGATION

Review of draft recommendation
Additional input:
  • UCA document for management of risk
  • Benefit of site investigations for project cost control
Collection of case histories
Cooperation with WG3
Internal review + Review by WG3 by July of 2014
Final draft : July of 2014 for ExCo review
 

RISK MANAGEMENT

Check on status of activity
Progress update of 2004 ITA Guidelines
Collection of case histories
Final draft: mid 2015

FIBER REINFORCED CAST CONCRETE FOR TUNNEL LININGS

Presentation of updated draft document
Incorporation of case histories
Cooperation with ITAtech
Peer review of draft document by end of September 2014
Ask parallel preliminary feedback from ITAtech by end of 2014
 

Future Items

Recommended practice on tunnel face pressure
Recommendation on building damage assessment due to tunnelling induced settlement
Stress measurement and hydraulic fracturing
Selection criteria for geophysical exploration methods