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July 29, 2026Geomechanics and Tunnelling

Sustainability assessment of conventional tunnel excavation: Analysis and results

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Authors

LHLukas HausbergerSAStefan AudererAHAnika Häberlein

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Overview

Demonstrates the environmental impacts of tunnel excavation in transport projects, suggesting better decision-making strategies in early stages.

Key Points

  • The aim is to evaluate the sustainability of conventional tunnel excavation using a life cycle assessment framework.
  • Conducted life cycle assessment (LCA) of tunnel excavation based on geological conditions and excavation classes.
  • Analyzed the environmental impacts for a typical regular tunnel cross section.
  • Established benchmark values per tunnel kilometer for sustainable project planning.
  • Identified significant environmental impacts associated with conventional tunnel excavation methods.
  • Provided benchmark values that can simplify sustainability assessments in early project stages.
  • Enhanced decision-making processes in tunnel construction projects through comprehensive LCA insights.

Cite This Study

Hausberger et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2bcc8da07d9defa67bahttps://doi.org/10.1002/geot.70117
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