Tunnel stability, Long-term deformation, Stand-up time, Convergence constraint method, Viscoelastic plastic model
Mechanized tunneling, Pressure arch, Comprehensive new judgment method, Dynamic load-bearing mechanism, Load calculation methods, Field tests and model tests.
Blasting, Crack, Vibration response, Vibration velocity, Dynamic strain, Piezoelectric monitoring
partially bonded rock anchor, mechanical behavior, distributed optical fiber, large deformed soft rock tunnel, support mechanism
layered rock mass, secondary lining, support mechanical behavior, fracture pattern, discrete element method
Anchoring before supporting, inclined and advanced rockbolts support system, support stress field, horizontal loading test, failure mode, support effect
analytical solution, creep, Burgers Model, Unified strength theory, Viscoelasticity
HVED, Void, Blast, Piezoelectric monitoring, Dynamic responses, Structural damage
Mechanized tunneling, Inclined rockbolts, Dynamic reinforcement range, Differentiated enhancement, Effectiveness of rockbolts.
strain-softening surrounding rock, bolt axial force, dynamic cohesion, analytical model, numerical calculation
Squeezing soft rock tunnel, Prestressed anchor cable, Field in-situ testing, Anchorage performance, Tensioning and locking loss