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Task Group 1.10

Utilization of traffic data in research, design, and assessment of bridges

Mission Statement/Objectives
The main objective of the project is to provide a platform to exchange knowledge and provoke understanding of the benefits of using road traffic data in research, design, and assessment of bridges.


Scope & Limitation
TG1.10 is investigating how road vehicle loads can be presented in a standardized format so that the used traffic data is transparent, fast to use, reusable and error free, thus accelerating research and reducing the uncertainty in the assessment process. As a result of TG1.10 recommendations for best practices and tools for research, design, and assessment of bridges will be presented. The experience already available will be taken into account. The results of TG1.3 and TG1.6 should be closely monitored, since the scopes of all mentioned TG's overlap and combining the results may yield (even unexpected) benefits. The scope is not limited to any structure or construction material. The following list gives some examples of possible outputs/best practices to be developed:

  • Agreement on standardized format of traffic data (road/rail)
  • Recommendations for data collection (WIM/WILD)
  • Recommendations for traffic simulation for bridges
  • Monitoring and modelling special transports/permit vehicles
  • Best practice for dynamic amplification selection
  • "Units of measures" for different influence line lengths to compare traffic compositions
  • Traffic forecasting to future
  • Simulations for platooning effects
  • Extrapolation of characteristic loads for certain return period for design/assessment (ULS/extreme values)
  • Extrapolation of frequent/quasi-permanent traffic loads for certain return period for design/assessment (SLS)
  • Calibration of design fatigue load models
  • Individual structure-specific tools for practice
  • Links between traffic data and structural health monitoring
  • Best practices for data and tool storing and sharing
  • Recommendations for decision makers

Expected Project Output
Organization of special sessions at international conferences

  • 1st special session spring 2024 IABSE symposium, with the purpose of presenting the material already produced in the TG and discuss the following steps
  • 2nd special session spring 2026 IABSE symposium, with the purpose of presenting the material developed and discuss the format of final documents.
Finally, based on the progress of the TG work, it is the aim to propose a guideline in the form of IABSE report (SED book).

Start Date: January 2023
Target Date of Completion: October 2026



Chair
Alan O'Connor, Ireland

Vice Chair
Heikki Lilja, Finland

Members
Junho Song, South Korea
Ales Znidaric, Slovenia
Daniel Cantero, Norway
Johan Maljaars, the Netherlands
Alex Hansen, Denmark
Weiwei Lin, Finland
Jami Qvisen, Finland
Colin Caprani, Australia
Joan Hee Roldsgaard, Denmark
Eugene Obrien, Ireland
Andre Orcesi, France
Franziska Schmidt, France
Joan Ramon Casas, Spain
Simen Hellgren Holtberget, Norway
Daniel Honfi, Sweden
Hideo Takano, United Kingdom
Fergal Cahill, Ireland
Jochen Köhler, Norway
Daniel Straub, Germany
Andrzej Nowak, United States
John Leander, Sweden
Pierre van der Spuy, South Africa
Mirek Sykora, Czech Republic

IABSE
Jungholzstrasse 28
8050 Zurich
SWITZERLAND

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