13th International Tunnelling and Underground Structures Conference



Ljubljana, Slovenia

13. mednarodna konferenca o predorih in podzemnih objektih

Countdown to the event








The Slovenian Society for Underground Structures, ITA Slovenia, has the pleasure of inviting you to the 13th International Tunnelling and Underground Structures Conference held on the 18th and 19th of November 2021 in Ljubljana. In case of public health restrictions, the conference will be held online.

Session Topics

Design, Planing

  • Alignment study
  • Environmental aspects
  • Preliminary studies
  • Sustainability
  • Nature protection and conservation
  • Water and water resources
  • Design
  • Innovative design approaches (BIM, …)
  • Technical regulation

Equipment and Safety in Tunnels

/ technical aspects

  • Regulations
  • Sustainability
  • Economic feasibility
  • Design
  • Risk analysis
  • Safety concepts in railway tunnels
  • Safety documentation for road tunnels
  • Fire safety
  • »Lessons learned«


  • Research program
  • Methods, results, applicability
  • Limitations (technical, physical, applicative)
  • New technologies
  • Case studies in extreme conditions
  • Characterization of tectonic zones and their impacts on construction
  • »Lessons learned«


  • Conventional tunnelling
  • Mechanized tunnelling
  • Innovative approaches
  • Machinery
  • »Lessons learned«

Tunnel Rehabilitation and Upgrades

  • Tunnel upgrades
  • Construction Renovation
  • Ventilation systems upgrades
  • Refurbishment of pavements and dewatering systems
  • Tunnel monitoring and resulting actions requirements
  • New rehabilitation techniques with emphasis on efficiency and reduction of traffic impact
  • »Lessons learned«

Extended deadline for submission of abstracts

We kindly invite you to submit your abstracts by the 30th of April, 2021. Send it to the Slovenian Society for Underground Structures at info@ita-slovenia.si. Please use the Word template we prepared for submitting the abstracts.

Important Dates

Submission of abstracts
30 April, 2021

Review of abstracts
20 May, 2021

Submission of revised abstracts
27 May, 2021

Submission of papers
29 July, 2021

Review of papers
2 September, 2021

Submission of revised papers
9 September, 2021

Final acceptance of papers
7 October, 2021
Notice to the authors of the assigned presentation time
28 October, 2021
13th International Tunnelling and Underground Structures Conference
18–19 November, 2021

More information

+386 1 474 10 00