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A platform for research: civil engineering, architecture and urbanism
Sliding work floor speeds wet tunnel
Construction of tailrace tunnel for Lake Manapouri hydro project is cased by use of 450-ft long and 19-ft wide steel plate sliding floor with built-in tracks and switches for muck trains; three-tier jumbo on floor is equipped with 17 Gardner-Denver 123 drills using 1 1/4-in. rods; rod for burncut holes is 2 1/4-in. diam; holes are drilled 13-ft deep and pull about 12 ft; water problem is solved by pumping plant at low point in tunnel with initial capacity of 21,350 imperial gpm.
Sliding work floor speeds wet tunnel
Construction of tailrace tunnel for Lake Manapouri hydro project is cased by use of 450-ft long and 19-ft wide steel plate sliding floor with built-in tracks and switches for muck trains; three-tier jumbo on floor is equipped with 17 Gardner-Denver 123 drills using 1 1/4-in. rods; rod for burncut holes is 2 1/4-in. diam; holes are drilled 13-ft deep and pull about 12 ft; water problem is solved by pumping plant at low point in tunnel with initial capacity of 21,350 imperial gpm.
Sliding work floor speeds wet tunnel
Construction Method Equipment
1967
3 pages
Article (Journal)
English
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