128573 ⎘
underground or underwater structures Independent ; Retaining walls; Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
Sub-classes:GROUND SHAFT INCLUDING SIDE WALLS CONFIGURED TO PROVIDE ENHANCED LOAD-BEARING CAPACITY
#2Method for constructing large-span station with two-wing open type half-cover excavation and half-reverse construction
#3Local deep excavation and backfilling structural subgrade and its rapid construction method
#4STRUCTURAL ENGINEERING DOMINATED GEOTECHNICAL STRUCTURED PERMANENT SUPPORTING SYSTEM AND DESIGN METHOD
#5Lid for utilities enclosure having internal reinforcement matrix and method for making lid
#6Well cellar excavating device and method
#7Prefabricated former for constructing underground chamber
#8Barrier wall and method and system of making a barrier wall
#9Metal foundation system for culverts, buried bridges and other structures
#10Method and facility for manufacturing a continuous wall in the ground
#11Enclosing structure and associated assembly and disassembly methods
#12PRELIMINARY CONSTRUCTION METHOD OF IN-PLANT TRENCH OF NUCLEAR POWER PLANT
#13Method of building a structure in the presence of water
#14Underground shelter
#15Process for the construction of a segment of an open-air work by prefabricated structural members, and prefabricated structural member related thereto
#16Rapidly-deployable lightweight load resisting arch system