A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Crane rides jumbo to place shoring
Construction company devised rig for shoring 9000-ft trench to make box culvert; steel frame holding 12 ton-crane travels on free-wheeling crawler tracks behind backhoe excavating trench; crane places vertical sheeting at sides of jumbo as 4 25-ton hydraulic jacks push jumbo ahead; cutting edges at bottom of shields square corners; blades in front of crawlers level path.
Crane rides jumbo to place shoring
Construction company devised rig for shoring 9000-ft trench to make box culvert; steel frame holding 12 ton-crane travels on free-wheeling crawler tracks behind backhoe excavating trench; crane places vertical sheeting at sides of jumbo as 4 25-ton hydraulic jacks push jumbo ahead; cutting edges at bottom of shields square corners; blades in front of crawlers level path.
Crane rides jumbo to place shoring
Construction Methods Equipment
1962
2 pages
Article (Journal)
English
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