Prediction of cutting tool wear in long and complex strata based on field inspection geometry: Insights from a case study of twin earth pressure balance shield tunnelling

Key Points

• Cutting tool wear increases in complex strata during tunnelling, impacting project efficiency and costs.
• Key evidence includes tool wear rates measured in twin earth pressure balance shield tunnelling operations.
• Analysis of field inspection geometry enhances prediction capabilities, making it essential for effective planning.
• These insights aim to optimize tunnelling strategies, though further validation in varied conditions is necessary.