Abstract: Lining cracks are one of the most common distresses in in-service highway tunnels and pose severe threats to the safety of tunnel operation. Traditional methods for retrofitting distressed tunnel lining all have limitations, ...

Abstract: With the aging of tunnel structures, rehabilitation and repair has become an increasingly important part of tunnel maintenance. This paper investigates the use of alkali-activated mortar for tunnel-lining structure repair. ...

Abstract: The limited efficiency of current supports has led to serious support system problems in loess tunnel construction, which are mainly noted in arch distortion, shotcrete cracking, surface subsidence, and even total structural ...