Experimental study on grouting injectivity in high-temperature environments for deep underground structures

Key Points

• Grouting injectivity is significantly affected by temperature discrepancies in deep underground settings.
• Key findings indicate a 30% increase in injectivity rates at elevated temperatures during tests.
• Experimental study on injectivity was conducted across multiple high-temperature environments targeting underground constructions.
• This work highlights the need for specialized approaches in high-temperature grouting to enhance underground structural integrity.