ISTSS 2023

09:00 Opening Ceremony

Helen Roth, CEO of VIA – the innovation cluster for transport infrastructure, Norway

Geir Sverre Braut, Senior advisor at Stavanger University Hospital and professor in community medicine at Western Norway University of Applied Sciences, Norway

09:30 Keynote Session

Risk analysis of fire and explosions in tunnels
Mirjam Nelisse, TNO, The Netherlands

Hydrogen vehicles safety in underground traffic infrastructure: overview of HyTunnel-CS findings
Vladimir Molkov, Ulster University, UK

10:30 COFFEE

11:00 Alternative Fuel Vehicles

11:00 - 11:15
The use of Natural Gas Vehicles in underground facilities: Application to the Paris-La-Défense underground network
Benjamin Truchot¹*, Christophe Willman² & Patrick Personna^3
1Ineris, Verneuil en Halatte, France
²CETU, Bron, France
³ PARIS LA DEFENSE, Paris La Défense, France

11:20 - 11:35
Safe extinguishment of fire exposed compressed nastural gas (CNG) and hydrogen (H₂) cylinders
Jonatan Gehandler, RISE Research Institutes of Sweden, Sweden

11:40 - 11:55
Fire safety of parking garages in respect to electric vehicles: the Singelgarage fire and fire suppression
Nils Rosmuller*, Tom Hessels, Ricardo Weewer, Johan van der Graaf & Joost Ebus
NIPV, Netherlands Institute for Public Safety

12:00 - 12:15
Experimental study of battery fire in a tunnel:  Evolution of flame characteristics and temperature profile under longitudinal ventilation
Nannan Zhu¹, Fei Tang¹, Xiepeng Sun¹ , Margaret Mcnamee²*, Longhua Hu^1
1 State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, China
² Division of Fire Safety Engineering, Lund University, Lund, Sweden

12:30 LUNCH

14:00 Risk Management & Explosion (Parallel session 1, Main room)

14:00 - 14:15
Hydrogen Tunnel Risk Assessment – numerical study of selected hydrogen incidents and implementation in the Austrian Tunnel Risk Model
Oliver Heger¹*, Regina Schmidt¹, Daniel Fruhwirt²* & Martin Aggarwal^3
1ILF Consulting Engineers, Graz, Austria
²Graz University of Technology, Graz, Austria
³Hydrogen Centre Austria Ltd., Graz, Austria

14:20 - 14:35
Life-safety targets in underground stations
Johan Lundin¹*, Bo Wahlström¹, Erik Hall Midholm¹* & Oskar Jansson^2
1 Brandskyddslaget AB
² RiskTec Projektledning AB

14:40 - 14:55
Risk evaluation in road and railroad overbuilding
Erik Hall Midholm*, Rosie Kvål* & Johan Lundin
Brandskyddslaget AB, Sweden

15:00 - 15:15
Risk assessment of decknings of dangerous goods routes – A knowledge inventory
Henrik Tehler¹, Johan Lundin²*
¹ Division of Risk Management and Societal Safety, Lund University, Sweden
² Brandskyddslaget AB, Sweden

14:00 Digitization (Parallel session 2, Break-out room)

14:00 - 14:15
RiskTUN: An ICT-based Concept for a Risk-aware Decision Support System for Tunnel Safety
Naeem Khademi¹*, Henrik Bjelland¹, Erik G. Nilsson² &Konstantinos Boletsis^2
1University of Stavanger, Stavanger, Norway
²SINTEF Digital, Oslo, Norway

14:20 - 14:35
Innovative approach to Improve the Safety of Tunnels and Tunnel Control Centres
Harald Kammerer¹*, Bernhard Klampfer¹, Anne Lehan², Hendrik Wahl^2
1 ILF Consulting Engineers, Linz, Austria
² Federal Highway Research Institute, Bergisch Gladbach, Germany

14:40 - 14:55
An AIoT-based smart digital twin for real-time tunnel fire safety monitoring
Xiaoning Zhang¹*, Xiqiang Wu² & Xinyan Huang^1
1The Hong Kong Polytechnic University, Hong Kong, China
 ²Southeast University, Nanjing, China

15:00 - 15:15
Positioning people in tunnels using Wi-Fi technology
Håkan Frantzich¹*, Karl Fridolf² Staffan Liljestrand³, Alex Henningsson³ & Johan Lundin^4
1Lund University, Lund, Sweden
²The Swedish Transport Administration, Malmö, Sweden
³Bumbee Labs, Stockholm, Sweden
⁴Brandskyddslaget, Stockholm, Sweden

15:30 COFFEE

16:00 Explosions

16:00 - 16:15
Nonlinear analysis of tunnel slab under hydrogen explosion
Wenqian Liu¹*, Frank Markert¹, Volodymyr Shentsov² & Luisa Giuliani^1
1Technical University of Denmark, Lyngby, Denmark
²Ulster University, Newtownabbey, United Kingdom

16:20 - 16:35
Explosions in road tunnels Part 3: Target failure probability & design values
Mirjam Nelisse & Ton Vrouwenvelder
TNO Netherlands Organisation for Scientific Research, The Netherlands

17:00 Posters corner (in main hall)

18:00 Cocktail reception and poster session

19:00 End of Day 1

08:30 Keynote session

08:30 - 08:55
Overview of safety concept for Swedish road tunnels
Ulf Lundström, Swedish Transport Administration, Sweden

09:00 - 09:25
Human behaviour during fires in tunnels
Gunnar Jenssen, SINTEF, Norway

09:30 Ventilation

09:30 - 09:45
Experimental study of smoke characteristics in double-layer tunnel with multiple point extraction by branch pipe
Zhan Wang^1,5, Zhi Tang^1,5*, Zheng Fang^1,5, Zhiming He², Tao Yang³, Ming Zhou², Enshi Wang³, Yinhang Xu⁴, Pei Yu^1,5, Qinwen Li^1,5
1 School of Civil Engineering, Wuhan University, China
² Wuhan Investment Group CO.,LTD., China
³ Wuhan Zhongjiao Traffic Engineering Co., Ltd., China
⁴Wuhan Municipal Engineering Design & Research Institute Co., Ltd., China
⁵ Engineering Research Centre of Urban Disasters Prevention and Fire Rescue Technology of Hubei Province, China

09:50 - 10:05
Influence of blockage on smoke control in tunnels
Ying Zhen Li & Haukur Ingason*
RISE Research Institutes of Sweden, Sweden

10:20 COFFEE

10:50 Fixed Fire Fighting Systems

10:50 - 11:05
Review of Design Fire Heat Release Rate for Tunnels with Fire Suppression Systems
Yunlong Liu, Sean Cassady, Petr Pospisil & Eric Jones
HTNB, USA

11:10 - 11:25
CFD modelling of tunnel fires with low-pressure fire suppression systems
Ying Zhen Li¹*, Lei Jiang² & Haukur Ingason^1
1 RISE Research Institutes Sweden, Sweden
² RISE Fire Research AS, Norway

11:30 - 11:45
Experimental study of the performance of a water mist system on fires in a full-scale tunnel
Lei Jiang*, Robert Harley Mostad, Tian Li & Kemal Sarp Arsava
RISE Fire Research AS, Norway

11:50 - 12:05
Design fire heat release rate of flammable liquid fires under water mist suppression in a tunnel
Yunlong Liu, Sean Cassady, Petr Pospisil & Eric Jones
HTNB, USA

12:20 LUNCH

14:00 Tenability and Evacuation (Parallel session 1, Main hall)

14:00 - 14:15
Sprinkler system design using CFD tools for assessing tenability impact and total hydraulic demand
Miguel Ángel Fuentes Llanos, Panos Iliadis & Sohail Alizadeh
Mott MacDonald, United Kingdom

14:20 - 14:35
Experimental Report on a System for Maintaining the Evacuation Environment by Early Detection of Tunnel Fire and Control of Longitudinal Wind Speed
Masahiro YOKOTA, Ken-ichiro YAMAZAKI, Taku NAKAYAMA & Takumi OTA
Central Nippon Highway Engineering Tokyo Company, Japan

14:40 - 14:55
Progressive Evacuation Approach in a High-Security Hazardous Tunnel
Sandeep Upadhya, Jonathan Tang, Mukesh Tomar, James Fletcher & Rares Zupu
Jacobs, UK

15:00 - 15:15
Application and Interpretation of Visibility Through Smoke in Performance-Based Design
Andrew Coles*, Mathilde Girault, Peter Senez & Jordan Brown
Senez Consulting Ltd., Canada

14:00 Emergency Management (Parallel session 2, Break-out room)

14:00 - 14:15
Enhancement of the safety management for the three main passenger railtunnels in Antwerp
Lieven Schoonbaert* , Sven Spelmans, Stefaan Vernieuwe, Olivier Bivort & Christof De Backere
Belgian Railway Infrastructure Manager, Belgium

14:20 - 14:35
Incident management in long railway tunnels, taking the Koramltunnel as an example
Michael Bacher¹*, Helmut Steiner², Daniel Fruhwirt¹, Peter Sturm^1
1 Graz University of Technology Austria, 8010 Graz, Austria
² ÖBB Austrian Federal Railways

14:40 - 14:55
Evolution of emergency preparedness: A case study of two Norwegian road tunnels
Jeroen Wiebes Kjos¹*, Maria-Monika Metallinou¹ & Henrik Bjelland^2
1Western Norway University of Applied Sciences, Norway
²University of Stavanger, Norway

15:00 - 15:15
Tunnel fire exercise in the Northern Link
Emil Persson*, Björn Hedskog & Bo Wahlström
Brandskyddslaget AB, Sweden

15:30 COFFEE

16:00 Evacuation

16:00 - 16:15
Evacuation shelters in single-tube road tunnels – From a poor reputation to emerging interest
Jeroen Wiebes Kjos¹, Henrik Bjelland²*, Ove Njå², & Inger Lise Johansen³, Sverre Kjetil Rød^3
1Western Norway University of Applied Science, Haugesund, Norway
²University of Stavanger, Stavanger, Norway
³Norwegian Public Roads Administration, Lillehammer, Norway

16:20 - 16:35
Analysis of spatial and design factors for users' acceptance of rescue rooms in road tunnels: An experimental study using Virtual Reality
Claudia Moscoso*, Jo Skjermo, Hampus Karlsson, Petter Arnesen, Carl-Johan Södersten, Åsa S. Hoem & Gunnar D. Jenssen
SINTEF Community, Dept. of Mobility and Economics, Trondheim, Norway

16:40 - 16:55
Analysis of visual and acoustic measures for evacuations in road tunnels using virtual reality
Jo Skjermo¹*, Claudia Moscoso¹, Daniel Nilsson², Håkan Frantzich³, Åsa S. Hoem^1, Petter Arnesen¹ & Gunnar D. Jenssen^1
1SINTEF Community, Dept. Mobility and Economics, Trondheim, Norway
²University of Canterbury, Christchurch, New Zealand
³Lund University, Lund, Sweden

19:00 Banquet

08:30 Keynote session

08:30 - 08:55
Why is the tunnel fire safety competence situation so fragmented? The need for a tunnel safety study program.
Ove Njå, University of Stavanger, Norway

SHORT BREAK

09:05 Ventilation (Parallel session 1, Main hall)

09:05 - 09:20
NFPA 502 Critical Velocity Calculation Methodologies and Dimensionless Fire Heat Release Rate
Yinan Scott Shi, Mott MacDonald, Canada

09:25 - 09:40
Numerical study on the influence of the ventilation strategy on life safety in a metro tunnel
Matteo Pachera*, Wouter Van den Berghe, Luc Derie & Johan Dubruel
Sweco, Belgium

09:45 - 10:00
Assessment of Jet Fan Installation Efficiency in Shotcrete-Lined Drill & Blast Tunnel
Iain Bowman*, David Eckford, Sohail Alizadeh, Jay Ganeshalingam, Tommy Norris & Rebecca Zhao
Mott MacDonald, Canada

09:05 Safety Management (Parallel session 2, Break-out room)

09:05 - 09:20
Medical knowledge as prerequisite for establishing criteria for design, management and emergency preparedness in road traffic tunnels
Geir Sverre Braut¹*, Harald Søiland², Haavard Søiland¹ & Ove Njå^2
1Stavanger University Hospital, Stavanger, Norway
²University of Stavanger, Stavanger, Norway

09:25 - 09:40
Tunnel safety: how about the safety of maintenance workers in tunnel service corridors?
Nils Rosmuller, Johan van der Graaf & Joost Ebus
NIPV, Netherlands Institute for Public Safety Arnhem, The Netherlands

09:45 - 10:00
Bonding behaviour of CFRP composite strengthened tunnel structure under fire exposure
Yi Shen^1,2*, Shi-qi Dou², Cheng Yang², Long Zhou², Hui Wang³, He-hua Zhu^1,2& Zhi-guo Yan^1,2
1State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, China
²Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, China
³School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, China

10:10 COFFEE

10:40 Fire Dynamics

10:40 - 10:55
Study on flame behavior of asymmetric double fires with different seperaton distances in the tunnel
Xudong Cheng, University of Science and Technology of China, China

11:00 - 11:15
Study on the maximum temperature rise beneath the ceiling considering the effect of bifurcated plume flow in longitudinally ventilated tunnel fires
Ganyu Wang^1,2,3*, Jiangdong Li^1,2,3, Tianhang Zhang^1,4, Xiaoqi Zhang¹, Jiajun Weng¹, Ke Wu^1,2,3
1 Key Laboratory of Offshore Geotechnics and Material of Zhejiang Province, Zhejiang University, China
² Center of Balance Architecture, Zhejiang University, China
³ The Engineering Research Center of Oceanic Sensing Technology and Equipment, Zhejiang University, China
⁴ Research Centre for Fire Safety Engineering, The Hong Kong Polytechnic University, Hong Kong

11:30 Panel Discussion and Conference Closure

12:30 LUNCH

14:00 End of conference

1
A known unknown concerning the road-based transport of dangerous goods
Christian Henrik Alexander Kuran
University of Stavanger, Norway

2
Case study on the ventilation design of the Kennedy Rail Link
Melchior Schepers¹, Wout Verborgt¹, Xavier Deckers¹ & Bart De Pauw ^2
1Jensen Hughes, ²Tuc Rail, Belgium

4
Computer aided resilience assessment
Kalliopi Anastassiadou¹, Ulrich Bergerhausen¹, Franziska Linstroem², Christoph Zulauf^2
1Federal Highway Research Institute (BASt), Germany
²EBP Schweiz AG

5
Using existing Radar infrastructure for tunnel safety management and emergency response
Sebastian Baucutt & Ozair Baig
Navtech Radar, UK

6
Computational Assessment of Critical Velocity Criteria in Rail Tunnels
Janaya Walter, Sonia Taylor, Adrian Milford, & Samson Li
Arcadis IBI Group, Vancouver BC, Canada

7
Smart dynamic exit sign system for tunnel fire evacuation: A lab-scale demonstration
Ho Yin Wong, Xiaoning Zhang, Meng Wang & Xinyan Huang
The Hong Kong Polytechnic University

8
Initial airflow conditions for fire scenarios based on traffic parameters
Jakub Bielawski¹*, Wojciech Węgrzyński¹, Aleksander Król² & Małgorzata Król^2
1Building Research Institute, Poland
²Silesian University of Technology, Poland

9
A study on the smoke proof test of a positive pressure deployable evacuation passage for subway stairs
Duckhee Lee, Won-Hee Park, Joo-Young Jung & Tae-sun Kwon
Korea Railroad Research Institute

10
Smoke ventilation tests for multipath subway lines using reduced scale tunnel and station model
Won-Hee Park, Yoiung-min Cho, Su-whan Youn, Tae-sun Kwon & Duckhee Lee
Korea Railroad Research Institute

11
Generation of carbon monoxide in fires partially suppressed by water sprays
Haydn Lewis¹ & Nils Johansson^2
1 Jensen Hughes Pty Limited, Australia
² Division of Fire Safety Engineering, Lund University, Sweden

12
A numerical investigation on suppressing shielded fires with water mist systems
Azad Hamzehpour*, Vittorio Verda & Romano Borchiellini
Department of Energy (DENERG), Politecnico di Torino, Italy

13
Application of performance based design of fire in a rail tunnel: integrating fire modelling, evacuation analyses and risk assessment
Netsanet Adgeh Ejigu
Bahir Dar Energy Centre, Bahir Dar Institute of Technology, Ethiopia

14
The development of an e-learning course designed to strengthen Swedish ambulance commanders decision-making in road tunnel incidents
Johan Hylander¹, Satish Strömberg², Anton Westman^1,3
1Department of Surgical and Perioperative Sciences, Umeå University, Sweden
²Faculty of Arts, Umeå University, Sweden
³Department of Anaesthesia and Intensive Care Medicine, Karolinska University Hospital, Sweden

15
The performance of water mist systems on extinguishing shielded fires: An experimental study
Azad Hamzehpour*, Vittorio Verda & Romano Borchiellini
Department of Energy (DENERG), Politecnico di Torino, Italy

16
Monitoring of airflow and airborne particles, to provide early warning of irrespirable atmospherics conditions in underground mines
Madeleine Martinsen* & Erik Dahlquist
Mälardalens University, Sweden

17
Extending Cross-Passage Distances
Basar Bulut & Mathias Y.B.Lysholt Hansen
COWI A/S, Denmark

18
Fire emissions from new and existing materials, an occupational issue now and in the future
Evalyne Arinaitwe, Margaret McNamee* & Patrick van Hees
Lund University, Division of Fire Safety Engineering