Foldable tubular element with one rigid degree of freedom
Analysis of Cracking Development and Mechanical Characteristics of High-Filled Cut-and-Cover Tunnel
Applicability Analysis of Microseismic Technology in Tunnel Water Inrush Monitoring
Paper folding structure capable of being folded, unfolded and borne
Water storage device of railway water washing vehicle
Fabricated lifting lug structure and lifting construction method thereof
Building jacking method and cross-core type self-occlusion jack
Trackless side wall type operation ladder trolley suitable for tunnel