This paper introduces the characteristics and applicable scope of the construction method of installing the steel bar on the arch parts of tunnel by using steel bar trolley with adjustable locating device, expounds its technological process, and points out some problems that should pay attention to in the construction.

The theory and construction method to deal with and protect the tunnel collapse in arch are studied.

Study and application of supervision and inspection in multiple-arch tunnel with double caves

3-Dimension numerical simulation analysis for large strain of deep soft rock tunnel under thermo-mechanical coupling effect;

Characteristics and classification of surrounding rockmass of diversion tunnel for Rongdi Upgrade Project;

Excavation construction of the transition section of the diversion tunnel in Nuozhadu hydropower station;

Application of genetic algorithm to optimizing blasting parameters for tunnel excavation;